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DynamicTimeSeriesCollection.html

DynamicTimeSeriesCollection.html 88 KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. <title>Source code</title>
    5. 

  5. <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
    6. 

  6. </head>
    7. 

  7. <body>
    8. 

  8. <div class="sourceContainer">
    9. 

  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
    10. 

  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
    11. 

  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
    12. 

  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
    13. 

  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
    14. 

  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
    15. 

  15. <span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
    16. 

  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
    17. 

  17. <span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
    18. 

  18. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
    19. 

  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
    20. 

  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
    21. 

  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
    22. 

  22. <span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
    23. 

  23. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
    24. 

  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
    25. 

  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
    26. 

  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
    27. 

  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
    28. 

  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
    29. 

  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
    30. 

  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
    31. 

  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
    32. 

  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
    33. 

  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
    34. 

  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
    35. 

  35. <span class="sourceLineNo">027</span> * --------------------------------<a name="line.27"></a>
    36. 

  36. <span class="sourceLineNo">028</span> * DynamicTimeSeriesCollection.java<a name="line.28"></a>
    37. 

  37. <span class="sourceLineNo">029</span> * --------------------------------<a name="line.29"></a>
    38. 

  38. <span class="sourceLineNo">030</span> * (C) Copyright 2002-2014, by I. H. Thomae and Contributors.<a name="line.30"></a>
    39. 

  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
    40. 

  40. <span class="sourceLineNo">032</span> * Original Author:  I. H. Thomae (ithomae@ists.dartmouth.edu);<a name="line.32"></a>
    41. 

  41. <span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
    42. 

  42. <span class="sourceLineNo">034</span> *                   Ricardo JL Rufino (patch #310);<a name="line.34"></a>
    43. 

  43. <span class="sourceLineNo">035</span> *<a name="line.35"></a>
    44. 

  44. <span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
    45. 

  45. <span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
    46. 

  46. <span class="sourceLineNo">038</span> * 22-Nov-2002 : Initial version completed<a name="line.38"></a>
    47. 

  47. <span class="sourceLineNo">039</span> *    Jan 2003 : Optimized advanceTime(), added implemnt'n of RangeInfo intfc<a name="line.39"></a>
    48. 

  48. <span class="sourceLineNo">040</span> *               (using cached values for min, max, and range); also added<a name="line.40"></a>
    49. 

  49. <span class="sourceLineNo">041</span> *               getOldestIndex() and getNewestIndex() ftns so client classes<a name="line.41"></a>
    50. 

  50. <span class="sourceLineNo">042</span> *               can use this class as the master "index authority".<a name="line.42"></a>
    51. 

  51. <span class="sourceLineNo">043</span> * 22-Jan-2003 : Made this class stand on its own, rather than extending<a name="line.43"></a>
    52. 

  52. <span class="sourceLineNo">044</span> *               class FastTimeSeriesCollection<a name="line.44"></a>
    53. 

  53. <span class="sourceLineNo">045</span> * 31-Jan-2003 : Changed TimePeriod --&gt; RegularTimePeriod (DG);<a name="line.45"></a>
    54. 

  54. <span class="sourceLineNo">046</span> * 13-Mar-2003 : Moved to com.jrefinery.data.time package (DG);<a name="line.46"></a>
    55. 

  55. <span class="sourceLineNo">047</span> * 29-Apr-2003 : Added small change to appendData method, from Irv Thomae (DG);<a name="line.47"></a>
    56. 

  56. <span class="sourceLineNo">048</span> * 19-Sep-2003 : Added new appendData method, from Irv Thomae (DG);<a name="line.48"></a>
    57. 

  57. <span class="sourceLineNo">049</span> * 05-May-2004 : Now extends AbstractIntervalXYDataset.  This also required a<a name="line.49"></a>
    58. 

  58. <span class="sourceLineNo">050</span> *               change to the return type of the getY() method - I'm slightly<a name="line.50"></a>
    59. 

  59. <span class="sourceLineNo">051</span> *               unsure of the implications of this, so it might require some<a name="line.51"></a>
    60. 

  60. <span class="sourceLineNo">052</span> *               further amendment (DG);<a name="line.52"></a>
    61. 

  61. <span class="sourceLineNo">053</span> * 15-Jul-2004 : Switched getX() with getXValue() and getY() with<a name="line.53"></a>
    62. 

  62. <span class="sourceLineNo">054</span> *               getYValue() (DG);<a name="line.54"></a>
    63. 

  63. <span class="sourceLineNo">055</span> * 11-Jan-2004 : Removed deprecated code in preparation for the 1.0.0<a name="line.55"></a>
    64. 

  64. <span class="sourceLineNo">056</span> *               release (DG);<a name="line.56"></a>
    65. 

  65. <span class="sourceLineNo">057</span> * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);<a name="line.57"></a>
    66. 

  66. <span class="sourceLineNo">058</span> * 01-Jul-2014 : Add millisecond time period - see patch #310 by Ricardo JL<a name="line.58"></a>
    67. 

  67. <span class="sourceLineNo">059</span> *               Rufino (DG);<a name="line.59"></a>
    68. 

  68. <span class="sourceLineNo">060</span> *<a name="line.60"></a>
    69. 

  69. <span class="sourceLineNo">061</span> */<a name="line.61"></a>
    70. 

  70. <span class="sourceLineNo">062</span><a name="line.62"></a>
    71. 

  71. <span class="sourceLineNo">063</span>package org.jfree.data.time;<a name="line.63"></a>
    72. 

  72. <span class="sourceLineNo">064</span><a name="line.64"></a>
    73. 

  73. <span class="sourceLineNo">065</span>import java.util.Calendar;<a name="line.65"></a>
    74. 

  74. <span class="sourceLineNo">066</span>import java.util.TimeZone;<a name="line.66"></a>
    75. 

  75. <span class="sourceLineNo">067</span><a name="line.67"></a>
    76. 

  76. <span class="sourceLineNo">068</span>import org.jfree.data.DomainInfo;<a name="line.68"></a>
    77. 

  77. <span class="sourceLineNo">069</span>import org.jfree.data.Range;<a name="line.69"></a>
    78. 

  78. <span class="sourceLineNo">070</span>import org.jfree.data.RangeInfo;<a name="line.70"></a>
    79. 

  79. <span class="sourceLineNo">071</span>import org.jfree.data.general.SeriesChangeEvent;<a name="line.71"></a>
    80. 

  80. <span class="sourceLineNo">072</span>import org.jfree.data.xy.AbstractIntervalXYDataset;<a name="line.72"></a>
    81. 

  81. <span class="sourceLineNo">073</span>import org.jfree.data.xy.IntervalXYDataset;<a name="line.73"></a>
    82. 

  82. <span class="sourceLineNo">074</span><a name="line.74"></a>
    83. 

  83. <span class="sourceLineNo">075</span>/**<a name="line.75"></a>
    84. 

  84. <span class="sourceLineNo">076</span> * A dynamic dataset.<a name="line.76"></a>
    85. 

  85. <span class="sourceLineNo">077</span> * &lt;p&gt;<a name="line.77"></a>
    86. 

  86. <span class="sourceLineNo">078</span> * Like FastTimeSeriesCollection, this class is a functional replacement<a name="line.78"></a>
    87. 

  87. <span class="sourceLineNo">079</span> * for JFreeChart's TimeSeriesCollection _and_ TimeSeries classes.<a name="line.79"></a>
    88. 

  88. <span class="sourceLineNo">080</span> * FastTimeSeriesCollection is appropriate for a fixed time range; for<a name="line.80"></a>
    89. 

  89. <span class="sourceLineNo">081</span> * real-time applications this subclass adds the ability to append new<a name="line.81"></a>
    90. 

  90. <span class="sourceLineNo">082</span> * data and discard the oldest.<a name="line.82"></a>
    91. 

  91. <span class="sourceLineNo">083</span> * In this class, the arrays used in FastTimeSeriesCollection become FIFO's.<a name="line.83"></a>
    92. 

  92. <span class="sourceLineNo">084</span> * NOTE:As presented here, all data is assumed &amp;gt;= 0, an assumption which is<a name="line.84"></a>
    93. 

  93. <span class="sourceLineNo">085</span> * embodied only in methods associated with interface RangeInfo.<a name="line.85"></a>
    94. 

  94. <span class="sourceLineNo">086</span> */<a name="line.86"></a>
    95. 

  95. <span class="sourceLineNo">087</span>public class DynamicTimeSeriesCollection extends AbstractIntervalXYDataset<a name="line.87"></a>
    96. 

  96. <span class="sourceLineNo">088</span>        implements IntervalXYDataset, DomainInfo, RangeInfo {<a name="line.88"></a>
    97. 

  97. <span class="sourceLineNo">089</span><a name="line.89"></a>
    98. 

  98. <span class="sourceLineNo">090</span>    /**<a name="line.90"></a>
    99. 

  99. <span class="sourceLineNo">091</span>     * Useful constant for controlling the x-value returned for a time<a name="line.91"></a>
    100. 

  100. <span class="sourceLineNo">092</span>     * period.<a name="line.92"></a>
    101. 

  101. <span class="sourceLineNo">093</span>     */<a name="line.93"></a>
    102. 

  102. <span class="sourceLineNo">094</span>    public static final int START = 0;<a name="line.94"></a>
    103. 

  103. <span class="sourceLineNo">095</span><a name="line.95"></a>
    104. 

  104. <span class="sourceLineNo">096</span>    /**<a name="line.96"></a>
    105. 

  105. <span class="sourceLineNo">097</span>     * Useful constant for controlling the x-value returned for a time period.<a name="line.97"></a>
    106. 

  106. <span class="sourceLineNo">098</span>     */<a name="line.98"></a>
    107. 

  107. <span class="sourceLineNo">099</span>    public static final int MIDDLE = 1;<a name="line.99"></a>
    108. 

  108. <span class="sourceLineNo">100</span><a name="line.100"></a>
    109. 

  109. <span class="sourceLineNo">101</span>    /**<a name="line.101"></a>
    110. 

  110. <span class="sourceLineNo">102</span>     * Useful constant for controlling the x-value returned for a time period.<a name="line.102"></a>
    111. 

  111. <span class="sourceLineNo">103</span>     */<a name="line.103"></a>
    112. 

  112. <span class="sourceLineNo">104</span>    public static final int END = 2;<a name="line.104"></a>
    113. 

  113. <span class="sourceLineNo">105</span><a name="line.105"></a>
    114. 

  114. <span class="sourceLineNo">106</span>    /** The maximum number of items for each series (can be overridden). */<a name="line.106"></a>
    115. 

  115. <span class="sourceLineNo">107</span>    private int maximumItemCount = 2000;  // an arbitrary safe default value<a name="line.107"></a>
    116. 

  116. <span class="sourceLineNo">108</span><a name="line.108"></a>
    117. 

  117. <span class="sourceLineNo">109</span>    /** The history count. */<a name="line.109"></a>
    118. 

  118. <span class="sourceLineNo">110</span>    protected int historyCount;<a name="line.110"></a>
    119. 

  119. <span class="sourceLineNo">111</span><a name="line.111"></a>
    120. 

  120. <span class="sourceLineNo">112</span>    /** Storage for the series keys. */<a name="line.112"></a>
    121. 

  121. <span class="sourceLineNo">113</span>    private Comparable[] seriesKeys;<a name="line.113"></a>
    122. 

  122. <span class="sourceLineNo">114</span><a name="line.114"></a>
    123. 

  123. <span class="sourceLineNo">115</span>    /** The time period class - barely used, and could be removed (DG). */<a name="line.115"></a>
    124. 

  124. <span class="sourceLineNo">116</span>    private Class timePeriodClass = Minute.class;   // default value;<a name="line.116"></a>
    125. 

  125. <span class="sourceLineNo">117</span><a name="line.117"></a>
    126. 

  126. <span class="sourceLineNo">118</span>    /** Storage for the x-values. */<a name="line.118"></a>
    127. 

  127. <span class="sourceLineNo">119</span>    protected RegularTimePeriod[] pointsInTime;<a name="line.119"></a>
    128. 

  128. <span class="sourceLineNo">120</span><a name="line.120"></a>
    129. 

  129. <span class="sourceLineNo">121</span>    /** The number of series. */<a name="line.121"></a>
    130. 

  130. <span class="sourceLineNo">122</span>    private int seriesCount;<a name="line.122"></a>
    131. 

  131. <span class="sourceLineNo">123</span><a name="line.123"></a>
    132. 

  132. <span class="sourceLineNo">124</span>    /**<a name="line.124"></a>
    133. 

  133. <span class="sourceLineNo">125</span>     * A wrapper for a fixed array of float values.<a name="line.125"></a>
    134. 

  134. <span class="sourceLineNo">126</span>     */<a name="line.126"></a>
    135. 

  135. <span class="sourceLineNo">127</span>    protected class ValueSequence {<a name="line.127"></a>
    136. 

  136. <span class="sourceLineNo">128</span><a name="line.128"></a>
    137. 

  137. <span class="sourceLineNo">129</span>        /** Storage for the float values. */<a name="line.129"></a>
    138. 

  138. <span class="sourceLineNo">130</span>        float[] dataPoints;<a name="line.130"></a>
    139. 

  139. <span class="sourceLineNo">131</span><a name="line.131"></a>
    140. 

  140. <span class="sourceLineNo">132</span>        /**<a name="line.132"></a>
    141. 

  141. <span class="sourceLineNo">133</span>         * Default constructor:<a name="line.133"></a>
    142. 

  142. <span class="sourceLineNo">134</span>         */<a name="line.134"></a>
    143. 

  143. <span class="sourceLineNo">135</span>        public ValueSequence() {<a name="line.135"></a>
    144. 

  144. <span class="sourceLineNo">136</span>            this(DynamicTimeSeriesCollection.this.maximumItemCount);<a name="line.136"></a>
    145. 

  145. <span class="sourceLineNo">137</span>        }<a name="line.137"></a>
    146. 

  146. <span class="sourceLineNo">138</span><a name="line.138"></a>
    147. 

  147. <span class="sourceLineNo">139</span>        /**<a name="line.139"></a>
    148. 

  148. <span class="sourceLineNo">140</span>         * Creates a sequence with the specified length.<a name="line.140"></a>
    149. 

  149. <span class="sourceLineNo">141</span>         *<a name="line.141"></a>
    150. 

  150. <span class="sourceLineNo">142</span>         * @param length  the length.<a name="line.142"></a>
    151. 

  151. <span class="sourceLineNo">143</span>         */<a name="line.143"></a>
    152. 

  152. <span class="sourceLineNo">144</span>        public ValueSequence(int length) {<a name="line.144"></a>
    153. 

  153. <span class="sourceLineNo">145</span>            this.dataPoints = new float[length];<a name="line.145"></a>
    154. 

  154. <span class="sourceLineNo">146</span>            for (int i = 0; i &lt; length; i++) {<a name="line.146"></a>
    155. 

  155. <span class="sourceLineNo">147</span>                this.dataPoints[i] = 0.0f;<a name="line.147"></a>
    156. 

  156. <span class="sourceLineNo">148</span>            }<a name="line.148"></a>
    157. 

  157. <span class="sourceLineNo">149</span>        }<a name="line.149"></a>
    158. 

  158. <span class="sourceLineNo">150</span><a name="line.150"></a>
    159. 

  159. <span class="sourceLineNo">151</span>        /**<a name="line.151"></a>
    160. 

  160. <span class="sourceLineNo">152</span>         * Enters data into the storage array.<a name="line.152"></a>
    161. 

  161. <span class="sourceLineNo">153</span>         *<a name="line.153"></a>
    162. 

  162. <span class="sourceLineNo">154</span>         * @param index  the index.<a name="line.154"></a>
    163. 

  163. <span class="sourceLineNo">155</span>         * @param value  the value.<a name="line.155"></a>
    164. 

  164. <span class="sourceLineNo">156</span>         */<a name="line.156"></a>
    165. 

  165. <span class="sourceLineNo">157</span>        public void enterData(int index, float value) {<a name="line.157"></a>
    166. 

  166. <span class="sourceLineNo">158</span>            this.dataPoints[index] = value;<a name="line.158"></a>
    167. 

  167. <span class="sourceLineNo">159</span>        }<a name="line.159"></a>
    168. 

  168. <span class="sourceLineNo">160</span><a name="line.160"></a>
    169. 

  169. <span class="sourceLineNo">161</span>        /**<a name="line.161"></a>
    170. 

  170. <span class="sourceLineNo">162</span>         * Returns a value from the storage array.<a name="line.162"></a>
    171. 

  171. <span class="sourceLineNo">163</span>         *<a name="line.163"></a>
    172. 

  172. <span class="sourceLineNo">164</span>         * @param index  the index.<a name="line.164"></a>
    173. 

  173. <span class="sourceLineNo">165</span>         *<a name="line.165"></a>
    174. 

  174. <span class="sourceLineNo">166</span>         * @return The value.<a name="line.166"></a>
    175. 

  175. <span class="sourceLineNo">167</span>         */<a name="line.167"></a>
    176. 

  176. <span class="sourceLineNo">168</span>        public float getData(int index) {<a name="line.168"></a>
    177. 

  177. <span class="sourceLineNo">169</span>            return this.dataPoints[index];<a name="line.169"></a>
    178. 

  178. <span class="sourceLineNo">170</span>        }<a name="line.170"></a>
    179. 

  179. <span class="sourceLineNo">171</span>    }<a name="line.171"></a>
    180. 

  180. <span class="sourceLineNo">172</span><a name="line.172"></a>
    181. 

  181. <span class="sourceLineNo">173</span>    /** An array for storing the objects that represent each series. */<a name="line.173"></a>
    182. 

  182. <span class="sourceLineNo">174</span>    protected ValueSequence[] valueHistory;<a name="line.174"></a>
    183. 

  183. <span class="sourceLineNo">175</span><a name="line.175"></a>
    184. 

  184. <span class="sourceLineNo">176</span>    /** A working calendar (to recycle) */<a name="line.176"></a>
    185. 

  185. <span class="sourceLineNo">177</span>    protected Calendar workingCalendar;<a name="line.177"></a>
    186. 

  186. <span class="sourceLineNo">178</span><a name="line.178"></a>
    187. 

  187. <span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
    188. 

  188. <span class="sourceLineNo">180</span>     * The position within a time period to return as the x-value (START,<a name="line.180"></a>
    189. 

  189. <span class="sourceLineNo">181</span>     * MIDDLE or END).<a name="line.181"></a>
    190. 

  190. <span class="sourceLineNo">182</span>     */<a name="line.182"></a>
    191. 

  191. <span class="sourceLineNo">183</span>    private int position;<a name="line.183"></a>
    192. 

  192. <span class="sourceLineNo">184</span><a name="line.184"></a>
    193. 

  193. <span class="sourceLineNo">185</span>    /**<a name="line.185"></a>
    194. 

  194. <span class="sourceLineNo">186</span>     * A flag that indicates that the domain is 'points in time'.  If this flag<a name="line.186"></a>
    195. 

  195. <span class="sourceLineNo">187</span>     * is true, only the x-value is used to determine the range of values in<a name="line.187"></a>
    196. 

  196. <span class="sourceLineNo">188</span>     * the domain, the start and end x-values are ignored.<a name="line.188"></a>
    197. 

  197. <span class="sourceLineNo">189</span>     */<a name="line.189"></a>
    198. 

  198. <span class="sourceLineNo">190</span>    private boolean domainIsPointsInTime;<a name="line.190"></a>
    199. 

  199. <span class="sourceLineNo">191</span><a name="line.191"></a>
    200. 

  200. <span class="sourceLineNo">192</span>    /** index for mapping: points to the oldest valid time and data. */<a name="line.192"></a>
    201. 

  201. <span class="sourceLineNo">193</span>    private int oldestAt;  // as a class variable, initializes == 0<a name="line.193"></a>
    202. 

  202. <span class="sourceLineNo">194</span><a name="line.194"></a>
    203. 

  203. <span class="sourceLineNo">195</span>    /** Index of the newest data item. */<a name="line.195"></a>
    204. 

  204. <span class="sourceLineNo">196</span>    private int newestAt;<a name="line.196"></a>
    205. 

  205. <span class="sourceLineNo">197</span><a name="line.197"></a>
    206. 

  206. <span class="sourceLineNo">198</span>    // cached values used for interface DomainInfo:<a name="line.198"></a>
    207. 

  207. <span class="sourceLineNo">199</span><a name="line.199"></a>
    208. 

  208. <span class="sourceLineNo">200</span>    /** the # of msec by which time advances. */<a name="line.200"></a>
    209. 

  209. <span class="sourceLineNo">201</span>    private long deltaTime;<a name="line.201"></a>
    210. 

  210. <span class="sourceLineNo">202</span><a name="line.202"></a>
    211. 

  211. <span class="sourceLineNo">203</span>    /** Cached domain start (for use by DomainInfo). */<a name="line.203"></a>
    212. 

  212. <span class="sourceLineNo">204</span>    private Long domainStart;<a name="line.204"></a>
    213. 

  213. <span class="sourceLineNo">205</span><a name="line.205"></a>
    214. 

  214. <span class="sourceLineNo">206</span>    /** Cached domain end (for use by DomainInfo). */<a name="line.206"></a>
    215. 

  215. <span class="sourceLineNo">207</span>    private Long domainEnd;<a name="line.207"></a>
    216. 

  216. <span class="sourceLineNo">208</span><a name="line.208"></a>
    217. 

  217. <span class="sourceLineNo">209</span>    /** Cached domain range (for use by DomainInfo). */<a name="line.209"></a>
    218. 

  218. <span class="sourceLineNo">210</span>    private Range domainRange;<a name="line.210"></a>
    219. 

  219. <span class="sourceLineNo">211</span><a name="line.211"></a>
    220. 

  220. <span class="sourceLineNo">212</span>    // Cached values used for interface RangeInfo: (note minValue pinned at 0)<a name="line.212"></a>
    221. 

  221. <span class="sourceLineNo">213</span>    //   A single set of extrema covers the entire SeriesCollection<a name="line.213"></a>
    222. 

  222. <span class="sourceLineNo">214</span><a name="line.214"></a>
    223. 

  223. <span class="sourceLineNo">215</span>    /** The minimum value. */<a name="line.215"></a>
    224. 

  224. <span class="sourceLineNo">216</span>    private Float minValue = new Float(0.0f);<a name="line.216"></a>
    225. 

  225. <span class="sourceLineNo">217</span><a name="line.217"></a>
    226. 

  226. <span class="sourceLineNo">218</span>    /** The maximum value. */<a name="line.218"></a>
    227. 

  227. <span class="sourceLineNo">219</span>    private Float maxValue = null;<a name="line.219"></a>
    228. 

  228. <span class="sourceLineNo">220</span><a name="line.220"></a>
    229. 

  229. <span class="sourceLineNo">221</span>    /** The value range. */<a name="line.221"></a>
    230. 

  230. <span class="sourceLineNo">222</span>    private Range valueRange;  // autoinit's to null.<a name="line.222"></a>
    231. 

  231. <span class="sourceLineNo">223</span><a name="line.223"></a>
    232. 

  232. <span class="sourceLineNo">224</span>    /**<a name="line.224"></a>
    233. 

  233. <span class="sourceLineNo">225</span>     * Constructs a dataset with capacity for N series, tied to default<a name="line.225"></a>
    234. 

  234. <span class="sourceLineNo">226</span>     * timezone.<a name="line.226"></a>
    235. 

  235. <span class="sourceLineNo">227</span>     *<a name="line.227"></a>
    236. 

  236. <span class="sourceLineNo">228</span>     * @param nSeries the number of series to be accommodated.<a name="line.228"></a>
    237. 

  237. <span class="sourceLineNo">229</span>     * @param nMoments the number of TimePeriods to be spanned.<a name="line.229"></a>
    238. 

  238. <span class="sourceLineNo">230</span>     */<a name="line.230"></a>
    239. 

  239. <span class="sourceLineNo">231</span>    public DynamicTimeSeriesCollection(int nSeries, int nMoments) {<a name="line.231"></a>
    240. 

  240. <span class="sourceLineNo">232</span>        this(nSeries, nMoments, new Millisecond(), TimeZone.getDefault());<a name="line.232"></a>
    241. 

  241. <span class="sourceLineNo">233</span>        this.newestAt = nMoments - 1;<a name="line.233"></a>
    242. 

  242. <span class="sourceLineNo">234</span>    }<a name="line.234"></a>
    243. 

  243. <span class="sourceLineNo">235</span><a name="line.235"></a>
    244. 

  244. <span class="sourceLineNo">236</span>    /**<a name="line.236"></a>
    245. 

  245. <span class="sourceLineNo">237</span>     * Constructs an empty dataset, tied to a specific timezone.<a name="line.237"></a>
    246. 

  246. <span class="sourceLineNo">238</span>     *<a name="line.238"></a>
    247. 

  247. <span class="sourceLineNo">239</span>     * @param nSeries the number of series to be accommodated<a name="line.239"></a>
    248. 

  248. <span class="sourceLineNo">240</span>     * @param nMoments the number of TimePeriods to be spanned<a name="line.240"></a>
    249. 

  249. <span class="sourceLineNo">241</span>     * @param zone the timezone.<a name="line.241"></a>
    250. 

  250. <span class="sourceLineNo">242</span>     */<a name="line.242"></a>
    251. 

  251. <span class="sourceLineNo">243</span>    public DynamicTimeSeriesCollection(int nSeries, int nMoments,<a name="line.243"></a>
    252. 

  252. <span class="sourceLineNo">244</span>            TimeZone zone) {<a name="line.244"></a>
    253. 

  253. <span class="sourceLineNo">245</span>        this(nSeries, nMoments, new Millisecond(), zone);<a name="line.245"></a>
    254. 

  254. <span class="sourceLineNo">246</span>        this.newestAt = nMoments - 1;<a name="line.246"></a>
    255. 

  255. <span class="sourceLineNo">247</span>    }<a name="line.247"></a>
    256. 

  256. <span class="sourceLineNo">248</span><a name="line.248"></a>
    257. 

  257. <span class="sourceLineNo">249</span>    /**<a name="line.249"></a>
    258. 

  258. <span class="sourceLineNo">250</span>     * Creates a new dataset.<a name="line.250"></a>
    259. 

  259. <span class="sourceLineNo">251</span>     *<a name="line.251"></a>
    260. 

  260. <span class="sourceLineNo">252</span>     * @param nSeries  the number of series.<a name="line.252"></a>
    261. 

  261. <span class="sourceLineNo">253</span>     * @param nMoments  the number of items per series.<a name="line.253"></a>
    262. 

  262. <span class="sourceLineNo">254</span>     * @param timeSample  a time period sample.<a name="line.254"></a>
    263. 

  263. <span class="sourceLineNo">255</span>     */<a name="line.255"></a>
    264. 

  264. <span class="sourceLineNo">256</span>    public DynamicTimeSeriesCollection(int nSeries, int nMoments,<a name="line.256"></a>
    265. 

  265. <span class="sourceLineNo">257</span>            RegularTimePeriod timeSample) {<a name="line.257"></a>
    266. 

  266. <span class="sourceLineNo">258</span>        this(nSeries, nMoments, timeSample, TimeZone.getDefault());<a name="line.258"></a>
    267. 

  267. <span class="sourceLineNo">259</span>    }<a name="line.259"></a>
    268. 

  268. <span class="sourceLineNo">260</span><a name="line.260"></a>
    269. 

  269. <span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
    270. 

  270. <span class="sourceLineNo">262</span>     * Creates a new dataset.<a name="line.262"></a>
    271. 

  271. <span class="sourceLineNo">263</span>     *<a name="line.263"></a>
    272. 

  272. <span class="sourceLineNo">264</span>     * @param nSeries  the number of series.<a name="line.264"></a>
    273. 

  273. <span class="sourceLineNo">265</span>     * @param nMoments  the number of items per series.<a name="line.265"></a>
    274. 

  274. <span class="sourceLineNo">266</span>     * @param timeSample  a time period sample.<a name="line.266"></a>
    275. 

  275. <span class="sourceLineNo">267</span>     * @param zone  the time zone.<a name="line.267"></a>
    276. 

  276. <span class="sourceLineNo">268</span>     */<a name="line.268"></a>
    277. 

  277. <span class="sourceLineNo">269</span>    public DynamicTimeSeriesCollection(int nSeries, int nMoments,<a name="line.269"></a>
    278. 

  278. <span class="sourceLineNo">270</span>            RegularTimePeriod timeSample, TimeZone zone) {<a name="line.270"></a>
    279. 

  279. <span class="sourceLineNo">271</span><a name="line.271"></a>
    280. 

  280. <span class="sourceLineNo">272</span>        // the first initialization must precede creation of the ValueSet array:<a name="line.272"></a>
    281. 

  281. <span class="sourceLineNo">273</span>        this.maximumItemCount = nMoments;  // establishes length of each array<a name="line.273"></a>
    282. 

  282. <span class="sourceLineNo">274</span>        this.historyCount = nMoments;<a name="line.274"></a>
    283. 

  283. <span class="sourceLineNo">275</span>        this.seriesKeys = new Comparable[nSeries];<a name="line.275"></a>
    284. 

  284. <span class="sourceLineNo">276</span>        // initialize the members of "seriesNames" array so they won't be null:<a name="line.276"></a>
    285. 

  285. <span class="sourceLineNo">277</span>        for (int i = 0; i &lt; nSeries; i++) {<a name="line.277"></a>
    286. 

  286. <span class="sourceLineNo">278</span>            this.seriesKeys[i] = "";<a name="line.278"></a>
    287. 

  287. <span class="sourceLineNo">279</span>        }<a name="line.279"></a>
    288. 

  288. <span class="sourceLineNo">280</span>        this.newestAt = nMoments - 1;<a name="line.280"></a>
    289. 

  289. <span class="sourceLineNo">281</span>        this.valueHistory = new ValueSequence[nSeries];<a name="line.281"></a>
    290. 

  290. <span class="sourceLineNo">282</span>        this.timePeriodClass = timeSample.getClass();<a name="line.282"></a>
    291. 

  291. <span class="sourceLineNo">283</span><a name="line.283"></a>
    292. 

  292. <span class="sourceLineNo">284</span>        /// Expand the following for all defined TimePeriods:<a name="line.284"></a>
    293. 

  293. <span class="sourceLineNo">285</span>        if (this.timePeriodClass == Millisecond.class) {<a name="line.285"></a>
    294. 

  294. <span class="sourceLineNo">286</span>            this.pointsInTime = new Millisecond[nMoments];<a name="line.286"></a>
    295. 

  295. <span class="sourceLineNo">287</span>        } else if (this.timePeriodClass == Second.class) {<a name="line.287"></a>
    296. 

  296. <span class="sourceLineNo">288</span>            this.pointsInTime = new Second[nMoments];<a name="line.288"></a>
    297. 

  297. <span class="sourceLineNo">289</span>        } else if (this.timePeriodClass == Minute.class) {<a name="line.289"></a>
    298. 

  298. <span class="sourceLineNo">290</span>            this.pointsInTime = new Minute[nMoments];<a name="line.290"></a>
    299. 

  299. <span class="sourceLineNo">291</span>        } else if (this.timePeriodClass == Hour.class) {<a name="line.291"></a>
    300. 

  300. <span class="sourceLineNo">292</span>            this.pointsInTime = new Hour[nMoments];<a name="line.292"></a>
    301. 

  301. <span class="sourceLineNo">293</span>        }<a name="line.293"></a>
    302. 

  302. <span class="sourceLineNo">294</span>        ///  .. etc....<a name="line.294"></a>
    303. 

  303. <span class="sourceLineNo">295</span>        this.workingCalendar = Calendar.getInstance(zone);<a name="line.295"></a>
    304. 

  304. <span class="sourceLineNo">296</span>        this.position = START;<a name="line.296"></a>
    305. 

  305. <span class="sourceLineNo">297</span>        this.domainIsPointsInTime = true;<a name="line.297"></a>
    306. 

  306. <span class="sourceLineNo">298</span>    }<a name="line.298"></a>
    307. 

  307. <span class="sourceLineNo">299</span><a name="line.299"></a>
    308. 

  308. <span class="sourceLineNo">300</span>    /**<a name="line.300"></a>
    309. 

  309. <span class="sourceLineNo">301</span>     * Fill the pointsInTime with times using TimePeriod.next():<a name="line.301"></a>
    310. 

  310. <span class="sourceLineNo">302</span>     * Will silently return if the time array was already populated.<a name="line.302"></a>
    311. 

  311. <span class="sourceLineNo">303</span>     *<a name="line.303"></a>
    312. 

  312. <span class="sourceLineNo">304</span>     * Also computes the data cached for later use by<a name="line.304"></a>
    313. 

  313. <span class="sourceLineNo">305</span>     * methods implementing the DomainInfo interface:<a name="line.305"></a>
    314. 

  314. <span class="sourceLineNo">306</span>     *<a name="line.306"></a>
    315. 

  315. <span class="sourceLineNo">307</span>     * @param start  the start.<a name="line.307"></a>
    316. 

  316. <span class="sourceLineNo">308</span>     *<a name="line.308"></a>
    317. 

  317. <span class="sourceLineNo">309</span>     * @return ??.<a name="line.309"></a>
    318. 

  318. <span class="sourceLineNo">310</span>     */<a name="line.310"></a>
    319. 

  319. <span class="sourceLineNo">311</span>    public synchronized long setTimeBase(RegularTimePeriod start) {<a name="line.311"></a>
    320. 

  320. <span class="sourceLineNo">312</span>        if (this.pointsInTime[0] == null) {<a name="line.312"></a>
    321. 

  321. <span class="sourceLineNo">313</span>            this.pointsInTime[0] = start;<a name="line.313"></a>
    322. 

  322. <span class="sourceLineNo">314</span>            for (int i = 1; i &lt; this.historyCount; i++) {<a name="line.314"></a>
    323. 

  323. <span class="sourceLineNo">315</span>                this.pointsInTime[i] = this.pointsInTime[i - 1].next();<a name="line.315"></a>
    324. 

  324. <span class="sourceLineNo">316</span>            }<a name="line.316"></a>
    325. 

  325. <span class="sourceLineNo">317</span>        }<a name="line.317"></a>
    326. 

  326. <span class="sourceLineNo">318</span>        long oldestL = this.pointsInTime[0].getFirstMillisecond(<a name="line.318"></a>
    327. 

  327. <span class="sourceLineNo">319</span>                this.workingCalendar);<a name="line.319"></a>
    328. 

  328. <span class="sourceLineNo">320</span>        long nextL = this.pointsInTime[1].getFirstMillisecond(<a name="line.320"></a>
    329. 

  329. <span class="sourceLineNo">321</span>                this.workingCalendar);<a name="line.321"></a>
    330. 

  330. <span class="sourceLineNo">322</span>        this.deltaTime = nextL - oldestL;<a name="line.322"></a>
    331. 

  331. <span class="sourceLineNo">323</span>        this.oldestAt = 0;<a name="line.323"></a>
    332. 

  332. <span class="sourceLineNo">324</span>        this.newestAt = this.historyCount - 1;<a name="line.324"></a>
    333. 

  333. <span class="sourceLineNo">325</span>        findDomainLimits();<a name="line.325"></a>
    334. 

  334. <span class="sourceLineNo">326</span>        return this.deltaTime;<a name="line.326"></a>
    335. 

  335. <span class="sourceLineNo">327</span>    }<a name="line.327"></a>
    336. 

  336. <span class="sourceLineNo">328</span><a name="line.328"></a>
    337. 

  337. <span class="sourceLineNo">329</span>    /**<a name="line.329"></a>
    338. 

  338. <span class="sourceLineNo">330</span>     * Finds the domain limits.  Note: this doesn't need to be synchronized<a name="line.330"></a>
    339. 

  339. <span class="sourceLineNo">331</span>     * because it's called from within another method that already is.<a name="line.331"></a>
    340. 

  340. <span class="sourceLineNo">332</span>     */<a name="line.332"></a>
    341. 

  341. <span class="sourceLineNo">333</span>    protected void findDomainLimits() {<a name="line.333"></a>
    342. 

  342. <span class="sourceLineNo">334</span>        long startL = getOldestTime().getFirstMillisecond(this.workingCalendar);<a name="line.334"></a>
    343. 

  343. <span class="sourceLineNo">335</span>        long endL;<a name="line.335"></a>
    344. 

  344. <span class="sourceLineNo">336</span>        if (this.domainIsPointsInTime) {<a name="line.336"></a>
    345. 

  345. <span class="sourceLineNo">337</span>            endL = getNewestTime().getFirstMillisecond(this.workingCalendar);<a name="line.337"></a>
    346. 

  346. <span class="sourceLineNo">338</span>        }<a name="line.338"></a>
    347. 

  347. <span class="sourceLineNo">339</span>        else {<a name="line.339"></a>
    348. 

  348. <span class="sourceLineNo">340</span>            endL = getNewestTime().getLastMillisecond(this.workingCalendar);<a name="line.340"></a>
    349. 

  349. <span class="sourceLineNo">341</span>        }<a name="line.341"></a>
    350. 

  350. <span class="sourceLineNo">342</span>        this.domainStart = new Long(startL);<a name="line.342"></a>
    351. 

  351. <span class="sourceLineNo">343</span>        this.domainEnd = new Long(endL);<a name="line.343"></a>
    352. 

  352. <span class="sourceLineNo">344</span>        this.domainRange = new Range(startL, endL);<a name="line.344"></a>
    353. 

  353. <span class="sourceLineNo">345</span>    }<a name="line.345"></a>
    354. 

  354. <span class="sourceLineNo">346</span><a name="line.346"></a>
    355. 

  355. <span class="sourceLineNo">347</span>    /**<a name="line.347"></a>
    356. 

  356. <span class="sourceLineNo">348</span>     * Returns the x position type (START, MIDDLE or END).<a name="line.348"></a>
    357. 

  357. <span class="sourceLineNo">349</span>     *<a name="line.349"></a>
    358. 

  358. <span class="sourceLineNo">350</span>     * @return The x position type.<a name="line.350"></a>
    359. 

  359. <span class="sourceLineNo">351</span>     */<a name="line.351"></a>
    360. 

  360. <span class="sourceLineNo">352</span>    public int getPosition() {<a name="line.352"></a>
    361. 

  361. <span class="sourceLineNo">353</span>        return this.position;<a name="line.353"></a>
    362. 

  362. <span class="sourceLineNo">354</span>    }<a name="line.354"></a>
    363. 

  363. <span class="sourceLineNo">355</span><a name="line.355"></a>
    364. 

  364. <span class="sourceLineNo">356</span>    /**<a name="line.356"></a>
    365. 

  365. <span class="sourceLineNo">357</span>     * Sets the x position type (START, MIDDLE or END).<a name="line.357"></a>
    366. 

  366. <span class="sourceLineNo">358</span>     *<a name="line.358"></a>
    367. 

  367. <span class="sourceLineNo">359</span>     * @param position The x position type.<a name="line.359"></a>
    368. 

  368. <span class="sourceLineNo">360</span>     */<a name="line.360"></a>
    369. 

  369. <span class="sourceLineNo">361</span>    public void setPosition(int position) {<a name="line.361"></a>
    370. 

  370. <span class="sourceLineNo">362</span>        this.position = position;<a name="line.362"></a>
    371. 

  371. <span class="sourceLineNo">363</span>    }<a name="line.363"></a>
    372. 

  372. <span class="sourceLineNo">364</span><a name="line.364"></a>
    373. 

  373. <span class="sourceLineNo">365</span>    /**<a name="line.365"></a>
    374. 

  374. <span class="sourceLineNo">366</span>     * Adds a series to the dataset.  Only the y-values are supplied, the<a name="line.366"></a>
    375. 

  375. <span class="sourceLineNo">367</span>     * x-values are specified elsewhere.<a name="line.367"></a>
    376. 

  376. <span class="sourceLineNo">368</span>     *<a name="line.368"></a>
    377. 

  377. <span class="sourceLineNo">369</span>     * @param values  the y-values.<a name="line.369"></a>
    378. 

  378. <span class="sourceLineNo">370</span>     * @param seriesNumber  the series index (zero-based).<a name="line.370"></a>
    379. 

  379. <span class="sourceLineNo">371</span>     * @param seriesKey  the series key.<a name="line.371"></a>
    380. 

  380. <span class="sourceLineNo">372</span>     *<a name="line.372"></a>
    381. 

  381. <span class="sourceLineNo">373</span>     * Use this as-is during setup only, or add the synchronized keyword around<a name="line.373"></a>
    382. 

  382. <span class="sourceLineNo">374</span>     * the copy loop.<a name="line.374"></a>
    383. 

  383. <span class="sourceLineNo">375</span>     */<a name="line.375"></a>
    384. 

  384. <span class="sourceLineNo">376</span>    public void addSeries(float[] values, int seriesNumber, <a name="line.376"></a>
    385. 

  385. <span class="sourceLineNo">377</span>            Comparable seriesKey) {<a name="line.377"></a>
    386. 

  386. <span class="sourceLineNo">378</span><a name="line.378"></a>
    387. 

  387. <span class="sourceLineNo">379</span>        invalidateRangeInfo();<a name="line.379"></a>
    388. 

  388. <span class="sourceLineNo">380</span>        int i;<a name="line.380"></a>
    389. 

  389. <span class="sourceLineNo">381</span>        if (values == null) {<a name="line.381"></a>
    390. 

  390. <span class="sourceLineNo">382</span>            throw new IllegalArgumentException("TimeSeriesDataset.addSeries(): "<a name="line.382"></a>
    391. 

  391. <span class="sourceLineNo">383</span>                + "cannot add null array of values.");<a name="line.383"></a>
    392. 

  392. <span class="sourceLineNo">384</span>        }<a name="line.384"></a>
    393. 

  393. <span class="sourceLineNo">385</span>        if (seriesNumber &gt;= this.valueHistory.length) {<a name="line.385"></a>
    394. 

  394. <span class="sourceLineNo">386</span>            throw new IllegalArgumentException("TimeSeriesDataset.addSeries(): "<a name="line.386"></a>
    395. 

  395. <span class="sourceLineNo">387</span>                + "cannot add more series than specified in c'tor");<a name="line.387"></a>
    396. 

  396. <span class="sourceLineNo">388</span>        }<a name="line.388"></a>
    397. 

  397. <span class="sourceLineNo">389</span>        if (this.valueHistory[seriesNumber] == null) {<a name="line.389"></a>
    398. 

  398. <span class="sourceLineNo">390</span>            this.valueHistory[seriesNumber]<a name="line.390"></a>
    399. 

  399. <span class="sourceLineNo">391</span>                = new ValueSequence(this.historyCount);<a name="line.391"></a>
    400. 

  400. <span class="sourceLineNo">392</span>            this.seriesCount++;<a name="line.392"></a>
    401. 

  401. <span class="sourceLineNo">393</span>        }<a name="line.393"></a>
    402. 

  402. <span class="sourceLineNo">394</span>        // But if that series array already exists, just overwrite its contents<a name="line.394"></a>
    403. 

  403. <span class="sourceLineNo">395</span><a name="line.395"></a>
    404. 

  404. <span class="sourceLineNo">396</span>        // Avoid IndexOutOfBoundsException:<a name="line.396"></a>
    405. 

  405. <span class="sourceLineNo">397</span>        int srcLength = values.length;<a name="line.397"></a>
    406. 

  406. <span class="sourceLineNo">398</span>        int copyLength = this.historyCount;<a name="line.398"></a>
    407. 

  407. <span class="sourceLineNo">399</span>        boolean fillNeeded = false;<a name="line.399"></a>
    408. 

  408. <span class="sourceLineNo">400</span>        if (srcLength &lt; this.historyCount) {<a name="line.400"></a>
    409. 

  409. <span class="sourceLineNo">401</span>            fillNeeded = true;<a name="line.401"></a>
    410. 

  410. <span class="sourceLineNo">402</span>            copyLength = srcLength;<a name="line.402"></a>
    411. 

  411. <span class="sourceLineNo">403</span>        }<a name="line.403"></a>
    412. 

  412. <span class="sourceLineNo">404</span>        //{<a name="line.404"></a>
    413. 

  413. <span class="sourceLineNo">405</span>        for (i = 0; i &lt; copyLength; i++) { // deep copy from values[], caller<a name="line.405"></a>
    414. 

  414. <span class="sourceLineNo">406</span>                                           // can safely discard that array<a name="line.406"></a>
    415. 

  415. <span class="sourceLineNo">407</span>            this.valueHistory[seriesNumber].enterData(i, values[i]);<a name="line.407"></a>
    416. 

  416. <span class="sourceLineNo">408</span>        }<a name="line.408"></a>
    417. 

  417. <span class="sourceLineNo">409</span>        if (fillNeeded) {<a name="line.409"></a>
    418. 

  418. <span class="sourceLineNo">410</span>            for (i = copyLength; i &lt; this.historyCount; i++) {<a name="line.410"></a>
    419. 

  419. <span class="sourceLineNo">411</span>                this.valueHistory[seriesNumber].enterData(i, 0.0f);<a name="line.411"></a>
    420. 

  420. <span class="sourceLineNo">412</span>            }<a name="line.412"></a>
    421. 

  421. <span class="sourceLineNo">413</span>        }<a name="line.413"></a>
    422. 

  422. <span class="sourceLineNo">414</span>      //}<a name="line.414"></a>
    423. 

  423. <span class="sourceLineNo">415</span>        if (seriesKey != null) {<a name="line.415"></a>
    424. 

  424. <span class="sourceLineNo">416</span>            this.seriesKeys[seriesNumber] = seriesKey;<a name="line.416"></a>
    425. 

  425. <span class="sourceLineNo">417</span>        }<a name="line.417"></a>
    426. 

  426. <span class="sourceLineNo">418</span>        fireSeriesChanged();<a name="line.418"></a>
    427. 

  427. <span class="sourceLineNo">419</span>    }<a name="line.419"></a>
    428. 

  428. <span class="sourceLineNo">420</span><a name="line.420"></a>
    429. 

  429. <span class="sourceLineNo">421</span>    /**<a name="line.421"></a>
    430. 

  430. <span class="sourceLineNo">422</span>     * Sets the name of a series.  If planning to add values individually.<a name="line.422"></a>
    431. 

  431. <span class="sourceLineNo">423</span>     *<a name="line.423"></a>
    432. 

  432. <span class="sourceLineNo">424</span>     * @param seriesNumber  the series.<a name="line.424"></a>
    433. 

  433. <span class="sourceLineNo">425</span>     * @param key  the new key.<a name="line.425"></a>
    434. 

  434. <span class="sourceLineNo">426</span>     */<a name="line.426"></a>
    435. 

  435. <span class="sourceLineNo">427</span>    public void setSeriesKey(int seriesNumber, Comparable key) {<a name="line.427"></a>
    436. 

  436. <span class="sourceLineNo">428</span>        this.seriesKeys[seriesNumber] = key;<a name="line.428"></a>
    437. 

  437. <span class="sourceLineNo">429</span>    }<a name="line.429"></a>
    438. 

  438. <span class="sourceLineNo">430</span><a name="line.430"></a>
    439. 

  439. <span class="sourceLineNo">431</span>    /**<a name="line.431"></a>
    440. 

  440. <span class="sourceLineNo">432</span>     * Adds a value to a series.<a name="line.432"></a>
    441. 

  441. <span class="sourceLineNo">433</span>     *<a name="line.433"></a>
    442. 

  442. <span class="sourceLineNo">434</span>     * @param seriesNumber  the series index.<a name="line.434"></a>
    443. 

  443. <span class="sourceLineNo">435</span>     * @param index  ??.<a name="line.435"></a>
    444. 

  444. <span class="sourceLineNo">436</span>     * @param value  the value.<a name="line.436"></a>
    445. 

  445. <span class="sourceLineNo">437</span>     */<a name="line.437"></a>
    446. 

  446. <span class="sourceLineNo">438</span>    public void addValue(int seriesNumber, int index, float value) {<a name="line.438"></a>
    447. 

  447. <span class="sourceLineNo">439</span>        invalidateRangeInfo();<a name="line.439"></a>
    448. 

  448. <span class="sourceLineNo">440</span>        if (seriesNumber &gt;= this.valueHistory.length) {<a name="line.440"></a>
    449. 

  449. <span class="sourceLineNo">441</span>            throw new IllegalArgumentException(<a name="line.441"></a>
    450. 

  450. <span class="sourceLineNo">442</span>                "TimeSeriesDataset.addValue(): series #"<a name="line.442"></a>
    451. 

  451. <span class="sourceLineNo">443</span>                + seriesNumber + "unspecified in c'tor"<a name="line.443"></a>
    452. 

  452. <span class="sourceLineNo">444</span>            );<a name="line.444"></a>
    453. 

  453. <span class="sourceLineNo">445</span>        }<a name="line.445"></a>
    454. 

  454. <span class="sourceLineNo">446</span>        if (this.valueHistory[seriesNumber] == null) {<a name="line.446"></a>
    455. 

  455. <span class="sourceLineNo">447</span>            this.valueHistory[seriesNumber]<a name="line.447"></a>
    456. 

  456. <span class="sourceLineNo">448</span>                = new ValueSequence(this.historyCount);<a name="line.448"></a>
    457. 

  457. <span class="sourceLineNo">449</span>            this.seriesCount++;<a name="line.449"></a>
    458. 

  458. <span class="sourceLineNo">450</span>        }<a name="line.450"></a>
    459. 

  459. <span class="sourceLineNo">451</span>        // But if that series array already exists, just overwrite its contents<a name="line.451"></a>
    460. 

  460. <span class="sourceLineNo">452</span>        //synchronized(this)<a name="line.452"></a>
    461. 

  461. <span class="sourceLineNo">453</span>        //{<a name="line.453"></a>
    462. 

  462. <span class="sourceLineNo">454</span>            this.valueHistory[seriesNumber].enterData(index, value);<a name="line.454"></a>
    463. 

  463. <span class="sourceLineNo">455</span>        //}<a name="line.455"></a>
    464. 

  464. <span class="sourceLineNo">456</span>        fireSeriesChanged();<a name="line.456"></a>
    465. 

  465. <span class="sourceLineNo">457</span>    }<a name="line.457"></a>
    466. 

  466. <span class="sourceLineNo">458</span><a name="line.458"></a>
    467. 

  467. <span class="sourceLineNo">459</span>    /**<a name="line.459"></a>
    468. 

  468. <span class="sourceLineNo">460</span>     * Returns the number of series in the collection.<a name="line.460"></a>
    469. 

  469. <span class="sourceLineNo">461</span>     *<a name="line.461"></a>
    470. 

  470. <span class="sourceLineNo">462</span>     * @return The series count.<a name="line.462"></a>
    471. 

  471. <span class="sourceLineNo">463</span>     */<a name="line.463"></a>
    472. 

  472. <span class="sourceLineNo">464</span>    @Override<a name="line.464"></a>
    473. 

  473. <span class="sourceLineNo">465</span>    public int getSeriesCount() {<a name="line.465"></a>
    474. 

  474. <span class="sourceLineNo">466</span>        return this.seriesCount;<a name="line.466"></a>
    475. 

  475. <span class="sourceLineNo">467</span>    }<a name="line.467"></a>
    476. 

  476. <span class="sourceLineNo">468</span><a name="line.468"></a>
    477. 

  477. <span class="sourceLineNo">469</span>    /**<a name="line.469"></a>
    478. 

  478. <span class="sourceLineNo">470</span>     * Returns the number of items in a series.<a name="line.470"></a>
    479. 

  479. <span class="sourceLineNo">471</span>     * &lt;p&gt;<a name="line.471"></a>
    480. 

  480. <span class="sourceLineNo">472</span>     * For this implementation, all series have the same number of items.<a name="line.472"></a>
    481. 

  481. <span class="sourceLineNo">473</span>     *<a name="line.473"></a>
    482. 

  482. <span class="sourceLineNo">474</span>     * @param series  the series index (zero-based).<a name="line.474"></a>
    483. 

  483. <span class="sourceLineNo">475</span>     *<a name="line.475"></a>
    484. 

  484. <span class="sourceLineNo">476</span>     * @return The item count.<a name="line.476"></a>
    485. 

  485. <span class="sourceLineNo">477</span>     */<a name="line.477"></a>
    486. 

  486. <span class="sourceLineNo">478</span>    @Override<a name="line.478"></a>
    487. 

  487. <span class="sourceLineNo">479</span>    public int getItemCount(int series) {  // all arrays equal length,<a name="line.479"></a>
    488. 

  488. <span class="sourceLineNo">480</span>                                           // so ignore argument:<a name="line.480"></a>
    489. 

  489. <span class="sourceLineNo">481</span>        return this.historyCount;<a name="line.481"></a>
    490. 

  490. <span class="sourceLineNo">482</span>    }<a name="line.482"></a>
    491. 

  491. <span class="sourceLineNo">483</span><a name="line.483"></a>
    492. 

  492. <span class="sourceLineNo">484</span>    // Methods for managing the FIFO's:<a name="line.484"></a>
    493. 

  493. <span class="sourceLineNo">485</span><a name="line.485"></a>
    494. 

  494. <span class="sourceLineNo">486</span>    /**<a name="line.486"></a>
    495. 

  495. <span class="sourceLineNo">487</span>     * Re-map an index, for use in retrieving data.<a name="line.487"></a>
    496. 

  496. <span class="sourceLineNo">488</span>     *<a name="line.488"></a>
    497. 

  497. <span class="sourceLineNo">489</span>     * @param toFetch  the index.<a name="line.489"></a>
    498. 

  498. <span class="sourceLineNo">490</span>     *<a name="line.490"></a>
    499. 

  499. <span class="sourceLineNo">491</span>     * @return The translated index.<a name="line.491"></a>
    500. 

  500. <span class="sourceLineNo">492</span>     */<a name="line.492"></a>
    501. 

  501. <span class="sourceLineNo">493</span>    protected int translateGet(int toFetch) {<a name="line.493"></a>
    502. 

  502. <span class="sourceLineNo">494</span>        if (this.oldestAt == 0) {<a name="line.494"></a>
    503. 

  503. <span class="sourceLineNo">495</span>            return toFetch;  // no translation needed<a name="line.495"></a>
    504. 

  504. <span class="sourceLineNo">496</span>        }<a name="line.496"></a>
    505. 

  505. <span class="sourceLineNo">497</span>        // else  [implicit here]<a name="line.497"></a>
    506. 

  506. <span class="sourceLineNo">498</span>        int newIndex = toFetch + this.oldestAt;<a name="line.498"></a>
    507. 

  507. <span class="sourceLineNo">499</span>        if (newIndex &gt;= this.historyCount) {<a name="line.499"></a>
    508. 

  508. <span class="sourceLineNo">500</span>            newIndex -= this.historyCount;<a name="line.500"></a>
    509. 

  509. <span class="sourceLineNo">501</span>        }<a name="line.501"></a>
    510. 

  510. <span class="sourceLineNo">502</span>        return newIndex;<a name="line.502"></a>
    511. 

  511. <span class="sourceLineNo">503</span>    }<a name="line.503"></a>
    512. 

  512. <span class="sourceLineNo">504</span><a name="line.504"></a>
    513. 

  513. <span class="sourceLineNo">505</span>    /**<a name="line.505"></a>
    514. 

  514. <span class="sourceLineNo">506</span>     * Returns the actual index to a time offset by "delta" from newestAt.<a name="line.506"></a>
    515. 

  515. <span class="sourceLineNo">507</span>     *<a name="line.507"></a>
    516. 

  516. <span class="sourceLineNo">508</span>     * @param delta  the delta.<a name="line.508"></a>
    517. 

  517. <span class="sourceLineNo">509</span>     *<a name="line.509"></a>
    518. 

  518. <span class="sourceLineNo">510</span>     * @return The offset.<a name="line.510"></a>
    519. 

  519. <span class="sourceLineNo">511</span>     */<a name="line.511"></a>
    520. 

  520. <span class="sourceLineNo">512</span>    public int offsetFromNewest(int delta) {<a name="line.512"></a>
    521. 

  521. <span class="sourceLineNo">513</span>        return wrapOffset(this.newestAt + delta);<a name="line.513"></a>
    522. 

  522. <span class="sourceLineNo">514</span>    }<a name="line.514"></a>
    523. 

  523. <span class="sourceLineNo">515</span><a name="line.515"></a>
    524. 

  524. <span class="sourceLineNo">516</span>    /**<a name="line.516"></a>
    525. 

  525. <span class="sourceLineNo">517</span>     * ??<a name="line.517"></a>
    526. 

  526. <span class="sourceLineNo">518</span>     *<a name="line.518"></a>
    527. 

  527. <span class="sourceLineNo">519</span>     * @param delta ??<a name="line.519"></a>
    528. 

  528. <span class="sourceLineNo">520</span>     *<a name="line.520"></a>
    529. 

  529. <span class="sourceLineNo">521</span>     * @return The offset.<a name="line.521"></a>
    530. 

  530. <span class="sourceLineNo">522</span>     */<a name="line.522"></a>
    531. 

  531. <span class="sourceLineNo">523</span>    public int offsetFromOldest(int delta) {<a name="line.523"></a>
    532. 

  532. <span class="sourceLineNo">524</span>        return wrapOffset(this.oldestAt + delta);<a name="line.524"></a>
    533. 

  533. <span class="sourceLineNo">525</span>    }<a name="line.525"></a>
    534. 

  534. <span class="sourceLineNo">526</span><a name="line.526"></a>
    535. 

  535. <span class="sourceLineNo">527</span>    /**<a name="line.527"></a>
    536. 

  536. <span class="sourceLineNo">528</span>     * ??<a name="line.528"></a>
    537. 

  537. <span class="sourceLineNo">529</span>     *<a name="line.529"></a>
    538. 

  538. <span class="sourceLineNo">530</span>     * @param protoIndex  the index.<a name="line.530"></a>
    539. 

  539. <span class="sourceLineNo">531</span>     *<a name="line.531"></a>
    540. 

  540. <span class="sourceLineNo">532</span>     * @return The offset.<a name="line.532"></a>
    541. 

  541. <span class="sourceLineNo">533</span>     */<a name="line.533"></a>
    542. 

  542. <span class="sourceLineNo">534</span>    protected int wrapOffset(int protoIndex) {<a name="line.534"></a>
    543. 

  543. <span class="sourceLineNo">535</span>        int tmp = protoIndex;<a name="line.535"></a>
    544. 

  544. <span class="sourceLineNo">536</span>        if (tmp &gt;= this.historyCount) {<a name="line.536"></a>
    545. 

  545. <span class="sourceLineNo">537</span>            tmp -= this.historyCount;<a name="line.537"></a>
    546. 

  546. <span class="sourceLineNo">538</span>        }<a name="line.538"></a>
    547. 

  547. <span class="sourceLineNo">539</span>        else if (tmp &lt; 0) {<a name="line.539"></a>
    548. 

  548. <span class="sourceLineNo">540</span>            tmp += this.historyCount;<a name="line.540"></a>
    549. 

  549. <span class="sourceLineNo">541</span>        }<a name="line.541"></a>
    550. 

  550. <span class="sourceLineNo">542</span>        return tmp;<a name="line.542"></a>
    551. 

  551. <span class="sourceLineNo">543</span>    }<a name="line.543"></a>
    552. 

  552. <span class="sourceLineNo">544</span><a name="line.544"></a>
    553. 

  553. <span class="sourceLineNo">545</span>    /**<a name="line.545"></a>
    554. 

  554. <span class="sourceLineNo">546</span>     * Adjust the array offset as needed when a new time-period is added:<a name="line.546"></a>
    555. 

  555. <span class="sourceLineNo">547</span>     * Increments the indices "oldestAt" and "newestAt", mod(array length),<a name="line.547"></a>
    556. 

  556. <span class="sourceLineNo">548</span>     * zeroes the series values at newestAt, returns the new TimePeriod.<a name="line.548"></a>
    557. 

  557. <span class="sourceLineNo">549</span>     *<a name="line.549"></a>
    558. 

  558. <span class="sourceLineNo">550</span>     * @return The new time period.<a name="line.550"></a>
    559. 

  559. <span class="sourceLineNo">551</span>     */<a name="line.551"></a>
    560. 

  560. <span class="sourceLineNo">552</span>    public synchronized RegularTimePeriod advanceTime() {<a name="line.552"></a>
    561. 

  561. <span class="sourceLineNo">553</span>        RegularTimePeriod nextInstant = this.pointsInTime[this.newestAt].next();<a name="line.553"></a>
    562. 

  562. <span class="sourceLineNo">554</span>        this.newestAt = this.oldestAt;  // newestAt takes value previously held<a name="line.554"></a>
    563. 

  563. <span class="sourceLineNo">555</span>                                        // by oldestAT<a name="line.555"></a>
    564. 

  564. <span class="sourceLineNo">556</span>        /***<a name="line.556"></a>
    565. 

  565. <span class="sourceLineNo">557</span>         * The next 10 lines or so should be expanded if data can be negative<a name="line.557"></a>
    566. 

  566. <span class="sourceLineNo">558</span>         ***/<a name="line.558"></a>
    567. 

  567. <span class="sourceLineNo">559</span>        // if the oldest data contained a maximum Y-value, invalidate the stored<a name="line.559"></a>
    568. 

  568. <span class="sourceLineNo">560</span>        //   Y-max and Y-range data:<a name="line.560"></a>
    569. 

  569. <span class="sourceLineNo">561</span>        boolean extremaChanged = false;<a name="line.561"></a>
    570. 

  570. <span class="sourceLineNo">562</span>        float oldMax = 0.0f;<a name="line.562"></a>
    571. 

  571. <span class="sourceLineNo">563</span>        if (this.maxValue != null) {<a name="line.563"></a>
    572. 

  572. <span class="sourceLineNo">564</span>            oldMax = this.maxValue.floatValue();<a name="line.564"></a>
    573. 

  573. <span class="sourceLineNo">565</span>        }<a name="line.565"></a>
    574. 

  574. <span class="sourceLineNo">566</span>        for (int s = 0; s &lt; getSeriesCount(); s++) {<a name="line.566"></a>
    575. 

  575. <span class="sourceLineNo">567</span>            if (this.valueHistory[s].getData(this.oldestAt) == oldMax) {<a name="line.567"></a>
    576. 

  576. <span class="sourceLineNo">568</span>                extremaChanged = true;<a name="line.568"></a>
    577. 

  577. <span class="sourceLineNo">569</span>            }<a name="line.569"></a>
    578. 

  578. <span class="sourceLineNo">570</span>            if (extremaChanged) {<a name="line.570"></a>
    579. 

  579. <span class="sourceLineNo">571</span>                break;<a name="line.571"></a>
    580. 

  580. <span class="sourceLineNo">572</span>            }<a name="line.572"></a>
    581. 

  581. <span class="sourceLineNo">573</span>        }  /*** If data can be &lt; 0, add code here to check the minimum    **/<a name="line.573"></a>
    582. 

  582. <span class="sourceLineNo">574</span>        if (extremaChanged) {<a name="line.574"></a>
    583. 

  583. <span class="sourceLineNo">575</span>            invalidateRangeInfo();<a name="line.575"></a>
    584. 

  584. <span class="sourceLineNo">576</span>        }<a name="line.576"></a>
    585. 

  585. <span class="sourceLineNo">577</span>        //  wipe the next (about to be used) set of data slots<a name="line.577"></a>
    586. 

  586. <span class="sourceLineNo">578</span>        float wiper = (float) 0.0;<a name="line.578"></a>
    587. 

  587. <span class="sourceLineNo">579</span>        for (int s = 0; s &lt; getSeriesCount(); s++) {<a name="line.579"></a>
    588. 

  588. <span class="sourceLineNo">580</span>            this.valueHistory[s].enterData(this.newestAt, wiper);<a name="line.580"></a>
    589. 

  589. <span class="sourceLineNo">581</span>        }<a name="line.581"></a>
    590. 

  590. <span class="sourceLineNo">582</span>        // Update the array of TimePeriods:<a name="line.582"></a>
    591. 

  591. <span class="sourceLineNo">583</span>        this.pointsInTime[this.newestAt] = nextInstant;<a name="line.583"></a>
    592. 

  592. <span class="sourceLineNo">584</span>        // Now advance "oldestAt", wrapping at end of the array<a name="line.584"></a>
    593. 

  593. <span class="sourceLineNo">585</span>        this.oldestAt++;<a name="line.585"></a>
    594. 

  594. <span class="sourceLineNo">586</span>        if (this.oldestAt &gt;= this.historyCount) {<a name="line.586"></a>
    595. 

  595. <span class="sourceLineNo">587</span>            this.oldestAt = 0;<a name="line.587"></a>
    596. 

  596. <span class="sourceLineNo">588</span>        }<a name="line.588"></a>
    597. 

  597. <span class="sourceLineNo">589</span>        // Update the domain limits:<a name="line.589"></a>
    598. 

  598. <span class="sourceLineNo">590</span>        long startL = this.domainStart.longValue();  //(time is kept in msec)<a name="line.590"></a>
    599. 

  599. <span class="sourceLineNo">591</span>        this.domainStart = new Long(startL + this.deltaTime);<a name="line.591"></a>
    600. 

  600. <span class="sourceLineNo">592</span>        long endL = this.domainEnd.longValue();<a name="line.592"></a>
    601. 

  601. <span class="sourceLineNo">593</span>        this.domainEnd = new Long(endL + this.deltaTime);<a name="line.593"></a>
    602. 

  602. <span class="sourceLineNo">594</span>        this.domainRange = new Range(startL, endL);<a name="line.594"></a>
    603. 

  603. <span class="sourceLineNo">595</span>        fireSeriesChanged();<a name="line.595"></a>
    604. 

  604. <span class="sourceLineNo">596</span>        return nextInstant;<a name="line.596"></a>
    605. 

  605. <span class="sourceLineNo">597</span>    }<a name="line.597"></a>
    606. 

  606. <span class="sourceLineNo">598</span><a name="line.598"></a>
    607. 

  607. <span class="sourceLineNo">599</span>    //  If data can be &lt; 0, the next 2 methods should be modified<a name="line.599"></a>
    608. 

  608. <span class="sourceLineNo">600</span><a name="line.600"></a>
    609. 

  609. <span class="sourceLineNo">601</span>    /**<a name="line.601"></a>
    610. 

  610. <span class="sourceLineNo">602</span>     * Invalidates the range info.<a name="line.602"></a>
    611. 

  611. <span class="sourceLineNo">603</span>     */<a name="line.603"></a>
    612. 

  612. <span class="sourceLineNo">604</span>    public void invalidateRangeInfo() {<a name="line.604"></a>
    613. 

  613. <span class="sourceLineNo">605</span>        this.maxValue = null;<a name="line.605"></a>
    614. 

  614. <span class="sourceLineNo">606</span>        this.valueRange = null;<a name="line.606"></a>
    615. 

  615. <span class="sourceLineNo">607</span>    }<a name="line.607"></a>
    616. 

  616. <span class="sourceLineNo">608</span><a name="line.608"></a>
    617. 

  617. <span class="sourceLineNo">609</span>    /**<a name="line.609"></a>
    618. 

  618. <span class="sourceLineNo">610</span>     * Returns the maximum value.<a name="line.610"></a>
    619. 

  619. <span class="sourceLineNo">611</span>     *<a name="line.611"></a>
    620. 

  620. <span class="sourceLineNo">612</span>     * @return The maximum value.<a name="line.612"></a>
    621. 

  621. <span class="sourceLineNo">613</span>     */<a name="line.613"></a>
    622. 

  622. <span class="sourceLineNo">614</span>    protected double findMaxValue() {<a name="line.614"></a>
    623. 

  623. <span class="sourceLineNo">615</span>        double max = 0.0f;<a name="line.615"></a>
    624. 

  624. <span class="sourceLineNo">616</span>        for (int s = 0; s &lt; getSeriesCount(); s++) {<a name="line.616"></a>
    625. 

  625. <span class="sourceLineNo">617</span>            for (int i = 0; i &lt; this.historyCount; i++) {<a name="line.617"></a>
    626. 

  626. <span class="sourceLineNo">618</span>                double tmp = getYValue(s, i);<a name="line.618"></a>
    627. 

  627. <span class="sourceLineNo">619</span>                if (tmp &gt; max) {<a name="line.619"></a>
    628. 

  628. <span class="sourceLineNo">620</span>                    max = tmp;<a name="line.620"></a>
    629. 

  629. <span class="sourceLineNo">621</span>                }<a name="line.621"></a>
    630. 

  630. <span class="sourceLineNo">622</span>            }<a name="line.622"></a>
    631. 

  631. <span class="sourceLineNo">623</span>        }<a name="line.623"></a>
    632. 

  632. <span class="sourceLineNo">624</span>        return max;<a name="line.624"></a>
    633. 

  633. <span class="sourceLineNo">625</span>    }<a name="line.625"></a>
    634. 

  634. <span class="sourceLineNo">626</span><a name="line.626"></a>
    635. 

  635. <span class="sourceLineNo">627</span>    /** End, positive-data-only code  **/<a name="line.627"></a>
    636. 

  636. <span class="sourceLineNo">628</span><a name="line.628"></a>
    637. 

  637. <span class="sourceLineNo">629</span>    /**<a name="line.629"></a>
    638. 

  638. <span class="sourceLineNo">630</span>     * Returns the index of the oldest data item.<a name="line.630"></a>
    639. 

  639. <span class="sourceLineNo">631</span>     *<a name="line.631"></a>
    640. 

  640. <span class="sourceLineNo">632</span>     * @return The index.<a name="line.632"></a>
    641. 

  641. <span class="sourceLineNo">633</span>     */<a name="line.633"></a>
    642. 

  642. <span class="sourceLineNo">634</span>    public int getOldestIndex() {<a name="line.634"></a>
    643. 

  643. <span class="sourceLineNo">635</span>        return this.oldestAt;<a name="line.635"></a>
    644. 

  644. <span class="sourceLineNo">636</span>    }<a name="line.636"></a>
    645. 

  645. <span class="sourceLineNo">637</span><a name="line.637"></a>
    646. 

  646. <span class="sourceLineNo">638</span>    /**<a name="line.638"></a>
    647. 

  647. <span class="sourceLineNo">639</span>     * Returns the index of the newest data item.<a name="line.639"></a>
    648. 

  648. <span class="sourceLineNo">640</span>     *<a name="line.640"></a>
    649. 

  649. <span class="sourceLineNo">641</span>     * @return The index.<a name="line.641"></a>
    650. 

  650. <span class="sourceLineNo">642</span>     */<a name="line.642"></a>
    651. 

  651. <span class="sourceLineNo">643</span>    public int getNewestIndex() {<a name="line.643"></a>
    652. 

  652. <span class="sourceLineNo">644</span>        return this.newestAt;<a name="line.644"></a>
    653. 

  653. <span class="sourceLineNo">645</span>    }<a name="line.645"></a>
    654. 

  654. <span class="sourceLineNo">646</span><a name="line.646"></a>
    655. 

  655. <span class="sourceLineNo">647</span>    // appendData() writes new data at the index position given by newestAt/<a name="line.647"></a>
    656. 

  656. <span class="sourceLineNo">648</span>    // When adding new data dynamically, use advanceTime(), followed by this:<a name="line.648"></a>
    657. 

  657. <span class="sourceLineNo">649</span>    /**<a name="line.649"></a>
    658. 

  658. <span class="sourceLineNo">650</span>     * Appends new data.<a name="line.650"></a>
    659. 

  659. <span class="sourceLineNo">651</span>     *<a name="line.651"></a>
    660. 

  660. <span class="sourceLineNo">652</span>     * @param newData  the data.<a name="line.652"></a>
    661. 

  661. <span class="sourceLineNo">653</span>     */<a name="line.653"></a>
    662. 

  662. <span class="sourceLineNo">654</span>    public void appendData(float[] newData) {<a name="line.654"></a>
    663. 

  663. <span class="sourceLineNo">655</span>        int nDataPoints = newData.length;<a name="line.655"></a>
    664. 

  664. <span class="sourceLineNo">656</span>        if (nDataPoints &gt; this.valueHistory.length) {<a name="line.656"></a>
    665. 

  665. <span class="sourceLineNo">657</span>            throw new IllegalArgumentException(<a name="line.657"></a>
    666. 

  666. <span class="sourceLineNo">658</span>                    "More data than series to put them in");<a name="line.658"></a>
    667. 

  667. <span class="sourceLineNo">659</span>        }<a name="line.659"></a>
    668. 

  668. <span class="sourceLineNo">660</span>        int s;   // index to select the "series"<a name="line.660"></a>
    669. 

  669. <span class="sourceLineNo">661</span>        for (s = 0; s &lt; nDataPoints; s++) {<a name="line.661"></a>
    670. 

  670. <span class="sourceLineNo">662</span>            // check whether the "valueHistory" array member exists; if not,<a name="line.662"></a>
    671. 

  671. <span class="sourceLineNo">663</span>            // create them:<a name="line.663"></a>
    672. 

  672. <span class="sourceLineNo">664</span>            if (this.valueHistory[s] == null) {<a name="line.664"></a>
    673. 

  673. <span class="sourceLineNo">665</span>                this.valueHistory[s] = new ValueSequence(this.historyCount);<a name="line.665"></a>
    674. 

  674. <span class="sourceLineNo">666</span>            }<a name="line.666"></a>
    675. 

  675. <span class="sourceLineNo">667</span>            this.valueHistory[s].enterData(this.newestAt, newData[s]);<a name="line.667"></a>
    676. 

  676. <span class="sourceLineNo">668</span>        }<a name="line.668"></a>
    677. 

  677. <span class="sourceLineNo">669</span>        fireSeriesChanged();<a name="line.669"></a>
    678. 

  678. <span class="sourceLineNo">670</span>    }<a name="line.670"></a>
    679. 

  679. <span class="sourceLineNo">671</span><a name="line.671"></a>
    680. 

  680. <span class="sourceLineNo">672</span>    /**<a name="line.672"></a>
    681. 

  681. <span class="sourceLineNo">673</span>     * Appends data at specified index, for loading up with data from file(s).<a name="line.673"></a>
    682. 

  682. <span class="sourceLineNo">674</span>     *<a name="line.674"></a>
    683. 

  683. <span class="sourceLineNo">675</span>     * @param  newData  the data<a name="line.675"></a>
    684. 

  684. <span class="sourceLineNo">676</span>     * @param  insertionIndex  the index value at which to put it<a name="line.676"></a>
    685. 

  685. <span class="sourceLineNo">677</span>     * @param  refresh  value of n in "refresh the display on every nth call"<a name="line.677"></a>
    686. 

  686. <span class="sourceLineNo">678</span>     *                 (ignored if &amp;lt;= 0 )<a name="line.678"></a>
    687. 

  687. <span class="sourceLineNo">679</span>     */<a name="line.679"></a>
    688. 

  688. <span class="sourceLineNo">680</span>    public void appendData(float[] newData, int insertionIndex, int refresh) {<a name="line.680"></a>
    689. 

  689. <span class="sourceLineNo">681</span>        int nDataPoints = newData.length;<a name="line.681"></a>
    690. 

  690. <span class="sourceLineNo">682</span>        if (nDataPoints &gt; this.valueHistory.length) {<a name="line.682"></a>
    691. 

  691. <span class="sourceLineNo">683</span>            throw new IllegalArgumentException(<a name="line.683"></a>
    692. 

  692. <span class="sourceLineNo">684</span>                    "More data than series to put them in");<a name="line.684"></a>
    693. 

  693. <span class="sourceLineNo">685</span>        }<a name="line.685"></a>
    694. 

  694. <span class="sourceLineNo">686</span>        for (int s = 0; s &lt; nDataPoints; s++) {<a name="line.686"></a>
    695. 

  695. <span class="sourceLineNo">687</span>            if (this.valueHistory[s] == null) {<a name="line.687"></a>
    696. 

  696. <span class="sourceLineNo">688</span>                this.valueHistory[s] = new ValueSequence(this.historyCount);<a name="line.688"></a>
    697. 

  697. <span class="sourceLineNo">689</span>            }<a name="line.689"></a>
    698. 

  698. <span class="sourceLineNo">690</span>            this.valueHistory[s].enterData(insertionIndex, newData[s]);<a name="line.690"></a>
    699. 

  699. <span class="sourceLineNo">691</span>        }<a name="line.691"></a>
    700. 

  700. <span class="sourceLineNo">692</span>        if (refresh &gt; 0) {<a name="line.692"></a>
    701. 

  701. <span class="sourceLineNo">693</span>            insertionIndex++;<a name="line.693"></a>
    702. 

  702. <span class="sourceLineNo">694</span>            if (insertionIndex % refresh == 0) {<a name="line.694"></a>
    703. 

  703. <span class="sourceLineNo">695</span>                fireSeriesChanged();<a name="line.695"></a>
    704. 

  704. <span class="sourceLineNo">696</span>            }<a name="line.696"></a>
    705. 

  705. <span class="sourceLineNo">697</span>        }<a name="line.697"></a>
    706. 

  706. <span class="sourceLineNo">698</span>    }<a name="line.698"></a>
    707. 

  707. <span class="sourceLineNo">699</span><a name="line.699"></a>
    708. 

  708. <span class="sourceLineNo">700</span>    /**<a name="line.700"></a>
    709. 

  709. <span class="sourceLineNo">701</span>     * Returns the newest time.<a name="line.701"></a>
    710. 

  710. <span class="sourceLineNo">702</span>     *<a name="line.702"></a>
    711. 

  711. <span class="sourceLineNo">703</span>     * @return The newest time.<a name="line.703"></a>
    712. 

  712. <span class="sourceLineNo">704</span>     */<a name="line.704"></a>
    713. 

  713. <span class="sourceLineNo">705</span>    public RegularTimePeriod getNewestTime() {<a name="line.705"></a>
    714. 

  714. <span class="sourceLineNo">706</span>        return this.pointsInTime[this.newestAt];<a name="line.706"></a>
    715. 

  715. <span class="sourceLineNo">707</span>    }<a name="line.707"></a>
    716. 

  716. <span class="sourceLineNo">708</span><a name="line.708"></a>
    717. 

  717. <span class="sourceLineNo">709</span>    /**<a name="line.709"></a>
    718. 

  718. <span class="sourceLineNo">710</span>     * Returns the oldest time.<a name="line.710"></a>
    719. 

  719. <span class="sourceLineNo">711</span>     *<a name="line.711"></a>
    720. 

  720. <span class="sourceLineNo">712</span>     * @return The oldest time.<a name="line.712"></a>
    721. 

  721. <span class="sourceLineNo">713</span>     */<a name="line.713"></a>
    722. 

  722. <span class="sourceLineNo">714</span>    public RegularTimePeriod getOldestTime() {<a name="line.714"></a>
    723. 

  723. <span class="sourceLineNo">715</span>        return this.pointsInTime[this.oldestAt];<a name="line.715"></a>
    724. 

  724. <span class="sourceLineNo">716</span>    }<a name="line.716"></a>
    725. 

  725. <span class="sourceLineNo">717</span><a name="line.717"></a>
    726. 

  726. <span class="sourceLineNo">718</span>    /**<a name="line.718"></a>
    727. 

  727. <span class="sourceLineNo">719</span>     * Returns the x-value.<a name="line.719"></a>
    728. 

  728. <span class="sourceLineNo">720</span>     *<a name="line.720"></a>
    729. 

  729. <span class="sourceLineNo">721</span>     * @param series  the series index (zero-based).<a name="line.721"></a>
    730. 

  730. <span class="sourceLineNo">722</span>     * @param item  the item index (zero-based).<a name="line.722"></a>
    731. 

  731. <span class="sourceLineNo">723</span>     *<a name="line.723"></a>
    732. 

  732. <span class="sourceLineNo">724</span>     * @return The value.<a name="line.724"></a>
    733. 

  733. <span class="sourceLineNo">725</span>     */<a name="line.725"></a>
    734. 

  734. <span class="sourceLineNo">726</span>    // getXxx() ftns can ignore the "series" argument:<a name="line.726"></a>
    735. 

  735. <span class="sourceLineNo">727</span>    // Don't synchronize this!! Instead, synchronize the loop that calls it.<a name="line.727"></a>
    736. 

  736. <span class="sourceLineNo">728</span>    @Override<a name="line.728"></a>
    737. 

  737. <span class="sourceLineNo">729</span>    public Number getX(int series, int item) {<a name="line.729"></a>
    738. 

  738. <span class="sourceLineNo">730</span>        RegularTimePeriod tp = this.pointsInTime[translateGet(item)];<a name="line.730"></a>
    739. 

  739. <span class="sourceLineNo">731</span>        return new Long(getX(tp));<a name="line.731"></a>
    740. 

  740. <span class="sourceLineNo">732</span>    }<a name="line.732"></a>
    741. 

  741. <span class="sourceLineNo">733</span><a name="line.733"></a>
    742. 

  742. <span class="sourceLineNo">734</span>    /**<a name="line.734"></a>
    743. 

  743. <span class="sourceLineNo">735</span>     * Returns the y-value.<a name="line.735"></a>
    744. 

  744. <span class="sourceLineNo">736</span>     *<a name="line.736"></a>
    745. 

  745. <span class="sourceLineNo">737</span>     * @param series  the series index (zero-based).<a name="line.737"></a>
    746. 

  746. <span class="sourceLineNo">738</span>     * @param item  the item index (zero-based).<a name="line.738"></a>
    747. 

  747. <span class="sourceLineNo">739</span>     *<a name="line.739"></a>
    748. 

  748. <span class="sourceLineNo">740</span>     * @return The value.<a name="line.740"></a>
    749. 

  749. <span class="sourceLineNo">741</span>     */<a name="line.741"></a>
    750. 

  750. <span class="sourceLineNo">742</span>    @Override<a name="line.742"></a>
    751. 

  751. <span class="sourceLineNo">743</span>    public double getYValue(int series, int item) {<a name="line.743"></a>
    752. 

  752. <span class="sourceLineNo">744</span>        // Don't synchronize this!!<a name="line.744"></a>
    753. 

  753. <span class="sourceLineNo">745</span>        // Instead, synchronize the loop that calls it.<a name="line.745"></a>
    754. 

  754. <span class="sourceLineNo">746</span>        ValueSequence values = this.valueHistory[series];<a name="line.746"></a>
    755. 

  755. <span class="sourceLineNo">747</span>        return values.getData(translateGet(item));<a name="line.747"></a>
    756. 

  756. <span class="sourceLineNo">748</span>    }<a name="line.748"></a>
    757. 

  757. <span class="sourceLineNo">749</span><a name="line.749"></a>
    758. 

  758. <span class="sourceLineNo">750</span>    /**<a name="line.750"></a>
    759. 

  759. <span class="sourceLineNo">751</span>     * Returns the y-value.<a name="line.751"></a>
    760. 

  760. <span class="sourceLineNo">752</span>     *<a name="line.752"></a>
    761. 

  761. <span class="sourceLineNo">753</span>     * @param series  the series index (zero-based).<a name="line.753"></a>
    762. 

  762. <span class="sourceLineNo">754</span>     * @param item  the item index (zero-based).<a name="line.754"></a>
    763. 

  763. <span class="sourceLineNo">755</span>     *<a name="line.755"></a>
    764. 

  764. <span class="sourceLineNo">756</span>     * @return The value.<a name="line.756"></a>
    765. 

  765. <span class="sourceLineNo">757</span>     */<a name="line.757"></a>
    766. 

  766. <span class="sourceLineNo">758</span>    @Override<a name="line.758"></a>
    767. 

  767. <span class="sourceLineNo">759</span>    public Number getY(int series, int item) {<a name="line.759"></a>
    768. 

  768. <span class="sourceLineNo">760</span>        return new Float(getYValue(series, item));<a name="line.760"></a>
    769. 

  769. <span class="sourceLineNo">761</span>    }<a name="line.761"></a>
    770. 

  770. <span class="sourceLineNo">762</span><a name="line.762"></a>
    771. 

  771. <span class="sourceLineNo">763</span>    /**<a name="line.763"></a>
    772. 

  772. <span class="sourceLineNo">764</span>     * Returns the start x-value.<a name="line.764"></a>
    773. 

  773. <span class="sourceLineNo">765</span>     *<a name="line.765"></a>
    774. 

  774. <span class="sourceLineNo">766</span>     * @param series  the series index (zero-based).<a name="line.766"></a>
    775. 

  775. <span class="sourceLineNo">767</span>     * @param item  the item index (zero-based).<a name="line.767"></a>
    776. 

  776. <span class="sourceLineNo">768</span>     *<a name="line.768"></a>
    777. 

  777. <span class="sourceLineNo">769</span>     * @return The value.<a name="line.769"></a>
    778. 

  778. <span class="sourceLineNo">770</span>     */<a name="line.770"></a>
    779. 

  779. <span class="sourceLineNo">771</span>    @Override<a name="line.771"></a>
    780. 

  780. <span class="sourceLineNo">772</span>    public Number getStartX(int series, int item) {<a name="line.772"></a>
    781. 

  781. <span class="sourceLineNo">773</span>        RegularTimePeriod tp = this.pointsInTime[translateGet(item)];<a name="line.773"></a>
    782. 

  782. <span class="sourceLineNo">774</span>        return new Long(tp.getFirstMillisecond(this.workingCalendar));<a name="line.774"></a>
    783. 

  783. <span class="sourceLineNo">775</span>    }<a name="line.775"></a>
    784. 

  784. <span class="sourceLineNo">776</span><a name="line.776"></a>
    785. 

  785. <span class="sourceLineNo">777</span>    /**<a name="line.777"></a>
    786. 

  786. <span class="sourceLineNo">778</span>     * Returns the end x-value.<a name="line.778"></a>
    787. 

  787. <span class="sourceLineNo">779</span>     *<a name="line.779"></a>
    788. 

  788. <span class="sourceLineNo">780</span>     * @param series  the series index (zero-based).<a name="line.780"></a>
    789. 

  789. <span class="sourceLineNo">781</span>     * @param item  the item index (zero-based).<a name="line.781"></a>
    790. 

  790. <span class="sourceLineNo">782</span>     *<a name="line.782"></a>
    791. 

  791. <span class="sourceLineNo">783</span>     * @return The value.<a name="line.783"></a>
    792. 

  792. <span class="sourceLineNo">784</span>     */<a name="line.784"></a>
    793. 

  793. <span class="sourceLineNo">785</span>    @Override<a name="line.785"></a>
    794. 

  794. <span class="sourceLineNo">786</span>    public Number getEndX(int series, int item) {<a name="line.786"></a>
    795. 

  795. <span class="sourceLineNo">787</span>        RegularTimePeriod tp = this.pointsInTime[translateGet(item)];<a name="line.787"></a>
    796. 

  796. <span class="sourceLineNo">788</span>        return new Long(tp.getLastMillisecond(this.workingCalendar));<a name="line.788"></a>
    797. 

  797. <span class="sourceLineNo">789</span>    }<a name="line.789"></a>
    798. 

  798. <span class="sourceLineNo">790</span><a name="line.790"></a>
    799. 

  799. <span class="sourceLineNo">791</span>    /**<a name="line.791"></a>
    800. 

  800. <span class="sourceLineNo">792</span>     * Returns the start y-value.<a name="line.792"></a>
    801. 

  801. <span class="sourceLineNo">793</span>     *<a name="line.793"></a>
    802. 

  802. <span class="sourceLineNo">794</span>     * @param series  the series index (zero-based).<a name="line.794"></a>
    803. 

  803. <span class="sourceLineNo">795</span>     * @param item  the item index (zero-based).<a name="line.795"></a>
    804. 

  804. <span class="sourceLineNo">796</span>     *<a name="line.796"></a>
    805. 

  805. <span class="sourceLineNo">797</span>     * @return The value.<a name="line.797"></a>
    806. 

  806. <span class="sourceLineNo">798</span>     */<a name="line.798"></a>
    807. 

  807. <span class="sourceLineNo">799</span>    @Override<a name="line.799"></a>
    808. 

  808. <span class="sourceLineNo">800</span>    public Number getStartY(int series, int item) {<a name="line.800"></a>
    809. 

  809. <span class="sourceLineNo">801</span>        return getY(series, item);<a name="line.801"></a>
    810. 

  810. <span class="sourceLineNo">802</span>    }<a name="line.802"></a>
    811. 

  811. <span class="sourceLineNo">803</span><a name="line.803"></a>
    812. 

  812. <span class="sourceLineNo">804</span>    /**<a name="line.804"></a>
    813. 

  813. <span class="sourceLineNo">805</span>     * Returns the end y-value.<a name="line.805"></a>
    814. 

  814. <span class="sourceLineNo">806</span>     *<a name="line.806"></a>
    815. 

  815. <span class="sourceLineNo">807</span>     * @param series  the series index (zero-based).<a name="line.807"></a>
    816. 

  816. <span class="sourceLineNo">808</span>     * @param item  the item index (zero-based).<a name="line.808"></a>
    817. 

  817. <span class="sourceLineNo">809</span>     *<a name="line.809"></a>
    818. 

  818. <span class="sourceLineNo">810</span>     * @return The value.<a name="line.810"></a>
    819. 

  819. <span class="sourceLineNo">811</span>     */<a name="line.811"></a>
    820. 

  820. <span class="sourceLineNo">812</span>    @Override<a name="line.812"></a>
    821. 

  821. <span class="sourceLineNo">813</span>    public Number getEndY(int series, int item) {<a name="line.813"></a>
    822. 

  822. <span class="sourceLineNo">814</span>        return getY(series, item);<a name="line.814"></a>
    823. 

  823. <span class="sourceLineNo">815</span>    }<a name="line.815"></a>
    824. 

  824. <span class="sourceLineNo">816</span><a name="line.816"></a>
    825. 

  825. <span class="sourceLineNo">817</span>    /* // "Extras" found useful when analyzing/verifying class behavior:<a name="line.817"></a>
    826. 

  826. <span class="sourceLineNo">818</span>    public Number getUntranslatedXValue(int series, int item)<a name="line.818"></a>
    827. 

  827. <span class="sourceLineNo">819</span>    {<a name="line.819"></a>
    828. 

  828. <span class="sourceLineNo">820</span>      return super.getXValue(series, item);<a name="line.820"></a>
    829. 

  829. <span class="sourceLineNo">821</span>    }<a name="line.821"></a>
    830. 

  830. <span class="sourceLineNo">822</span><a name="line.822"></a>
    831. 

  831. <span class="sourceLineNo">823</span>    public float getUntranslatedY(int series, int item)<a name="line.823"></a>
    832. 

  832. <span class="sourceLineNo">824</span>    {<a name="line.824"></a>
    833. 

  833. <span class="sourceLineNo">825</span>      return super.getY(series, item);<a name="line.825"></a>
    834. 

  834. <span class="sourceLineNo">826</span>    }  */<a name="line.826"></a>
    835. 

  835. <span class="sourceLineNo">827</span><a name="line.827"></a>
    836. 

  836. <span class="sourceLineNo">828</span>    /**<a name="line.828"></a>
    837. 

  837. <span class="sourceLineNo">829</span>     * Returns the key for a series.<a name="line.829"></a>
    838. 

  838. <span class="sourceLineNo">830</span>     *<a name="line.830"></a>
    839. 

  839. <span class="sourceLineNo">831</span>     * @param series  the series index (zero-based).<a name="line.831"></a>
    840. 

  840. <span class="sourceLineNo">832</span>     *<a name="line.832"></a>
    841. 

  841. <span class="sourceLineNo">833</span>     * @return The key.<a name="line.833"></a>
    842. 

  842. <span class="sourceLineNo">834</span>     */<a name="line.834"></a>
    843. 

  843. <span class="sourceLineNo">835</span>    @Override<a name="line.835"></a>
    844. 

  844. <span class="sourceLineNo">836</span>    public Comparable getSeriesKey(int series) {<a name="line.836"></a>
    845. 

  845. <span class="sourceLineNo">837</span>        return this.seriesKeys[series];<a name="line.837"></a>
    846. 

  846. <span class="sourceLineNo">838</span>    }<a name="line.838"></a>
    847. 

  847. <span class="sourceLineNo">839</span><a name="line.839"></a>
    848. 

  848. <span class="sourceLineNo">840</span>    /**<a name="line.840"></a>
    849. 

  849. <span class="sourceLineNo">841</span>     * Sends a {@link SeriesChangeEvent} to all registered listeners.<a name="line.841"></a>
    850. 

  850. <span class="sourceLineNo">842</span>     */<a name="line.842"></a>
    851. 

  851. <span class="sourceLineNo">843</span>    protected void fireSeriesChanged() {<a name="line.843"></a>
    852. 

  852. <span class="sourceLineNo">844</span>        seriesChanged(new SeriesChangeEvent(this));<a name="line.844"></a>
    853. 

  853. <span class="sourceLineNo">845</span>    }<a name="line.845"></a>
    854. 

  854. <span class="sourceLineNo">846</span><a name="line.846"></a>
    855. 

  855. <span class="sourceLineNo">847</span>    // The next 3 functions override the base-class implementation of<a name="line.847"></a>
    856. 

  856. <span class="sourceLineNo">848</span>    // the DomainInfo interface.  Using saved limits (updated by<a name="line.848"></a>
    857. 

  857. <span class="sourceLineNo">849</span>    // each updateTime() call), improves performance.<a name="line.849"></a>
    858. 

  858. <span class="sourceLineNo">850</span>    //<a name="line.850"></a>
    859. 

  859. <span class="sourceLineNo">851</span><a name="line.851"></a>
    860. 

  860. <span class="sourceLineNo">852</span>    /**<a name="line.852"></a>
    861. 

  861. <span class="sourceLineNo">853</span>     * Returns the minimum x-value in the dataset.<a name="line.853"></a>
    862. 

  862. <span class="sourceLineNo">854</span>     *<a name="line.854"></a>
    863. 

  863. <span class="sourceLineNo">855</span>     * @param includeInterval  a flag that determines whether or not the<a name="line.855"></a>
    864. 

  864. <span class="sourceLineNo">856</span>     *                         x-interval is taken into account.<a name="line.856"></a>
    865. 

  865. <span class="sourceLineNo">857</span>     *<a name="line.857"></a>
    866. 

  866. <span class="sourceLineNo">858</span>     * @return The minimum value.<a name="line.858"></a>
    867. 

  867. <span class="sourceLineNo">859</span>     */<a name="line.859"></a>
    868. 

  868. <span class="sourceLineNo">860</span>    @Override<a name="line.860"></a>
    869. 

  869. <span class="sourceLineNo">861</span>    public double getDomainLowerBound(boolean includeInterval) {<a name="line.861"></a>
    870. 

  870. <span class="sourceLineNo">862</span>        return this.domainStart.doubleValue();<a name="line.862"></a>
    871. 

  871. <span class="sourceLineNo">863</span>        // a Long kept updated by advanceTime()<a name="line.863"></a>
    872. 

  872. <span class="sourceLineNo">864</span>    }<a name="line.864"></a>
    873. 

  873. <span class="sourceLineNo">865</span><a name="line.865"></a>
    874. 

  874. <span class="sourceLineNo">866</span>    /**<a name="line.866"></a>
    875. 

  875. <span class="sourceLineNo">867</span>     * Returns the maximum x-value in the dataset.<a name="line.867"></a>
    876. 

  876. <span class="sourceLineNo">868</span>     *<a name="line.868"></a>
    877. 

  877. <span class="sourceLineNo">869</span>     * @param includeInterval  a flag that determines whether or not the<a name="line.869"></a>
    878. 

  878. <span class="sourceLineNo">870</span>     *                         x-interval is taken into account.<a name="line.870"></a>
    879. 

  879. <span class="sourceLineNo">871</span>     *<a name="line.871"></a>
    880. 

  880. <span class="sourceLineNo">872</span>     * @return The maximum value.<a name="line.872"></a>
    881. 

  881. <span class="sourceLineNo">873</span>     */<a name="line.873"></a>
    882. 

  882. <span class="sourceLineNo">874</span>    @Override<a name="line.874"></a>
    883. 

  883. <span class="sourceLineNo">875</span>    public double getDomainUpperBound(boolean includeInterval) {<a name="line.875"></a>
    884. 

  884. <span class="sourceLineNo">876</span>        return this.domainEnd.doubleValue();<a name="line.876"></a>
    885. 

  885. <span class="sourceLineNo">877</span>        // a Long kept updated by advanceTime()<a name="line.877"></a>
    886. 

  886. <span class="sourceLineNo">878</span>    }<a name="line.878"></a>
    887. 

  887. <span class="sourceLineNo">879</span><a name="line.879"></a>
    888. 

  888. <span class="sourceLineNo">880</span>    /**<a name="line.880"></a>
    889. 

  889. <span class="sourceLineNo">881</span>     * Returns the range of the values in this dataset's domain.<a name="line.881"></a>
    890. 

  890. <span class="sourceLineNo">882</span>     *<a name="line.882"></a>
    891. 

  891. <span class="sourceLineNo">883</span>     * @param includeInterval  a flag that determines whether or not the<a name="line.883"></a>
    892. 

  892. <span class="sourceLineNo">884</span>     *                         x-interval is taken into account.<a name="line.884"></a>
    893. 

  893. <span class="sourceLineNo">885</span>     *<a name="line.885"></a>
    894. 

  894. <span class="sourceLineNo">886</span>     * @return The range.<a name="line.886"></a>
    895. 

  895. <span class="sourceLineNo">887</span>     */<a name="line.887"></a>
    896. 

  896. <span class="sourceLineNo">888</span>    @Override<a name="line.888"></a>
    897. 

  897. <span class="sourceLineNo">889</span>    public Range getDomainBounds(boolean includeInterval) {<a name="line.889"></a>
    898. 

  898. <span class="sourceLineNo">890</span>        if (this.domainRange == null) {<a name="line.890"></a>
    899. 

  899. <span class="sourceLineNo">891</span>            findDomainLimits();<a name="line.891"></a>
    900. 

  900. <span class="sourceLineNo">892</span>        }<a name="line.892"></a>
    901. 

  901. <span class="sourceLineNo">893</span>        return this.domainRange;<a name="line.893"></a>
    902. 

  902. <span class="sourceLineNo">894</span>    }<a name="line.894"></a>
    903. 

  903. <span class="sourceLineNo">895</span><a name="line.895"></a>
    904. 

  904. <span class="sourceLineNo">896</span>    /**<a name="line.896"></a>
    905. 

  905. <span class="sourceLineNo">897</span>     * Returns the x-value for a time period.<a name="line.897"></a>
    906. 

  906. <span class="sourceLineNo">898</span>     *<a name="line.898"></a>
    907. 

  907. <span class="sourceLineNo">899</span>     * @param period  the period.<a name="line.899"></a>
    908. 

  908. <span class="sourceLineNo">900</span>     *<a name="line.900"></a>
    909. 

  909. <span class="sourceLineNo">901</span>     * @return The x-value.<a name="line.901"></a>
    910. 

  910. <span class="sourceLineNo">902</span>     */<a name="line.902"></a>
    911. 

  911. <span class="sourceLineNo">903</span>    private long getX(RegularTimePeriod period) {<a name="line.903"></a>
    912. 

  912. <span class="sourceLineNo">904</span>        switch (this.position) {<a name="line.904"></a>
    913. 

  913. <span class="sourceLineNo">905</span>            case (START) :<a name="line.905"></a>
    914. 

  914. <span class="sourceLineNo">906</span>                return period.getFirstMillisecond(this.workingCalendar);<a name="line.906"></a>
    915. 

  915. <span class="sourceLineNo">907</span>            case (MIDDLE) :<a name="line.907"></a>
    916. 

  916. <span class="sourceLineNo">908</span>                return period.getMiddleMillisecond(this.workingCalendar);<a name="line.908"></a>
    917. 

  917. <span class="sourceLineNo">909</span>            case (END) :<a name="line.909"></a>
    918. 

  918. <span class="sourceLineNo">910</span>                return period.getLastMillisecond(this.workingCalendar);<a name="line.910"></a>
    919. 

  919. <span class="sourceLineNo">911</span>            default:<a name="line.911"></a>
    920. 

  920. <span class="sourceLineNo">912</span>                return period.getMiddleMillisecond(this.workingCalendar);<a name="line.912"></a>
    921. 

  921. <span class="sourceLineNo">913</span>        }<a name="line.913"></a>
    922. 

  922. <span class="sourceLineNo">914</span>     }<a name="line.914"></a>
    923. 

  923. <span class="sourceLineNo">915</span><a name="line.915"></a>
    924. 

  924. <span class="sourceLineNo">916</span>    // The next 3 functions implement the RangeInfo interface.<a name="line.916"></a>
    925. 

  925. <span class="sourceLineNo">917</span>    // Using saved limits (updated by each updateTime() call) significantly<a name="line.917"></a>
    926. 

  926. <span class="sourceLineNo">918</span>    // improves performance.  WARNING: this code makes the simplifying<a name="line.918"></a>
    927. 

  927. <span class="sourceLineNo">919</span>    // assumption that data is never negative.  Expand as needed for the<a name="line.919"></a>
    928. 

  928. <span class="sourceLineNo">920</span>    // general case.<a name="line.920"></a>
    929. 

  929. <span class="sourceLineNo">921</span><a name="line.921"></a>
    930. 

  930. <span class="sourceLineNo">922</span>    /**<a name="line.922"></a>
    931. 

  931. <span class="sourceLineNo">923</span>     * Returns the minimum range value.<a name="line.923"></a>
    932. 

  932. <span class="sourceLineNo">924</span>     *<a name="line.924"></a>
    933. 

  933. <span class="sourceLineNo">925</span>     * @param includeInterval  a flag that determines whether or not the<a name="line.925"></a>
    934. 

  934. <span class="sourceLineNo">926</span>     *                         y-interval is taken into account.<a name="line.926"></a>
    935. 

  935. <span class="sourceLineNo">927</span>     *<a name="line.927"></a>
    936. 

  936. <span class="sourceLineNo">928</span>     * @return The minimum range value.<a name="line.928"></a>
    937. 

  937. <span class="sourceLineNo">929</span>     */<a name="line.929"></a>
    938. 

  938. <span class="sourceLineNo">930</span>    @Override<a name="line.930"></a>
    939. 

  939. <span class="sourceLineNo">931</span>    public double getRangeLowerBound(boolean includeInterval) {<a name="line.931"></a>
    940. 

  940. <span class="sourceLineNo">932</span>        double result = Double.NaN;<a name="line.932"></a>
    941. 

  941. <span class="sourceLineNo">933</span>        if (this.minValue != null) {<a name="line.933"></a>
    942. 

  942. <span class="sourceLineNo">934</span>            result = this.minValue.doubleValue();<a name="line.934"></a>
    943. 

  943. <span class="sourceLineNo">935</span>        }<a name="line.935"></a>
    944. 

  944. <span class="sourceLineNo">936</span>        return result;<a name="line.936"></a>
    945. 

  945. <span class="sourceLineNo">937</span>    }<a name="line.937"></a>
    946. 

  946. <span class="sourceLineNo">938</span><a name="line.938"></a>
    947. 

  947. <span class="sourceLineNo">939</span>    /**<a name="line.939"></a>
    948. 

  948. <span class="sourceLineNo">940</span>     * Returns the maximum range value.<a name="line.940"></a>
    949. 

  949. <span class="sourceLineNo">941</span>     *<a name="line.941"></a>
    950. 

  950. <span class="sourceLineNo">942</span>     * @param includeInterval  a flag that determines whether or not the<a name="line.942"></a>
    951. 

  951. <span class="sourceLineNo">943</span>     *                         y-interval is taken into account.<a name="line.943"></a>
    952. 

  952. <span class="sourceLineNo">944</span>     *<a name="line.944"></a>
    953. 

  953. <span class="sourceLineNo">945</span>     * @return The maximum range value.<a name="line.945"></a>
    954. 

  954. <span class="sourceLineNo">946</span>     */<a name="line.946"></a>
    955. 

  955. <span class="sourceLineNo">947</span>    @Override<a name="line.947"></a>
    956. 

  956. <span class="sourceLineNo">948</span>    public double getRangeUpperBound(boolean includeInterval) {<a name="line.948"></a>
    957. 

  957. <span class="sourceLineNo">949</span>        double result = Double.NaN;<a name="line.949"></a>
    958. 

  958. <span class="sourceLineNo">950</span>        if (this.maxValue != null) {<a name="line.950"></a>
    959. 

  959. <span class="sourceLineNo">951</span>            result = this.maxValue.doubleValue();<a name="line.951"></a>
    960. 

  960. <span class="sourceLineNo">952</span>        }<a name="line.952"></a>
    961. 

  961. <span class="sourceLineNo">953</span>        return result;<a name="line.953"></a>
    962. 

  962. <span class="sourceLineNo">954</span>    }<a name="line.954"></a>
    963. 

  963. <span class="sourceLineNo">955</span><a name="line.955"></a>
    964. 

  964. <span class="sourceLineNo">956</span>    /**<a name="line.956"></a>
    965. 

  965. <span class="sourceLineNo">957</span>     * Returns the value range.<a name="line.957"></a>
    966. 

  966. <span class="sourceLineNo">958</span>     *<a name="line.958"></a>
    967. 

  967. <span class="sourceLineNo">959</span>     * @param includeInterval  a flag that determines whether or not the<a name="line.959"></a>
    968. 

  968. <span class="sourceLineNo">960</span>     *                         y-interval is taken into account.<a name="line.960"></a>
    969. 

  969. <span class="sourceLineNo">961</span>     *<a name="line.961"></a>
    970. 

  970. <span class="sourceLineNo">962</span>     * @return The range.<a name="line.962"></a>
    971. 

  971. <span class="sourceLineNo">963</span>     */<a name="line.963"></a>
    972. 

  972. <span class="sourceLineNo">964</span>    @Override<a name="line.964"></a>
    973. 

  973. <span class="sourceLineNo">965</span>    public Range getRangeBounds(boolean includeInterval) {<a name="line.965"></a>
    974. 

  974. <span class="sourceLineNo">966</span>        if (this.valueRange == null) {<a name="line.966"></a>
    975. 

  975. <span class="sourceLineNo">967</span>            double max = getRangeUpperBound(includeInterval);<a name="line.967"></a>
    976. 

  976. <span class="sourceLineNo">968</span>            this.valueRange = new Range(0.0, max);<a name="line.968"></a>
    977. 

  977. <span class="sourceLineNo">969</span>        }<a name="line.969"></a>
    978. 

  978. <span class="sourceLineNo">970</span>        return this.valueRange;<a name="line.970"></a>
    979. 

  979. <span class="sourceLineNo">971</span>    }<a name="line.971"></a>
    980. 

  980. <span class="sourceLineNo">972</span><a name="line.972"></a>
    981. 

  981. <span class="sourceLineNo">973</span>}<a name="line.973"></a>
    982. 

  982. 

  983. 

  984. 

  985. 

  986. 

  987. 

  988. 

  989. 

  990. 

  991. 

  992. 

  993. 

  994. 

  995. 

  996. 

  997. 

  998. 

  999. 

  1000. 

  1001. 

  1002. 

  1003. 

  1004. 

  1005. 

  1006. 

  1007. 

  1008. 

  1009. 

  1010. 

  1011. 

  1012. 

  1013. 

  1014. 

  1015. 

  1016. 

  1017. 

  1018. 

  1019. 

  1020. 

  1021. 

  1022. 

  1023. 

  1024. 

  1025. 

  1026. 

  1027. 

  1028. 

  1029. 

  1030. 

  1031. 

  1032. 

  1033. 

  1034. 

  1035. 

  1036. 

  1037. 

  1038. 

  1039. 

  1040. 

  1041. 

  1042. </pre>
    1043. 

  1043. </div>
    1044. 

  1044. </body>
    1045. 

  1045. </html>
    1046.