DatasetRenderingOrder.html 13 KB

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  8. <div class="sourceContainer">
  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.<a name="line.5"></a>
  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
  15. <span class="sourceLineNo">007</span> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
  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. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
  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. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,<a name="line.21"></a>
  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
  35. <span class="sourceLineNo">027</span> * --------------------------<a name="line.27"></a>
  36. <span class="sourceLineNo">028</span> * DatasetRenderingOrder.java<a name="line.28"></a>
  37. <span class="sourceLineNo">029</span> * --------------------------<a name="line.29"></a>
  38. <span class="sourceLineNo">030</span> * (C) Copyright 2003-2008, by Object Refinery Limited.<a name="line.30"></a>
  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
  40. <span class="sourceLineNo">032</span> * Original Author: David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
  41. <span class="sourceLineNo">033</span> * Contributor(s): -;<a name="line.33"></a>
  42. <span class="sourceLineNo">034</span> *<a name="line.34"></a>
  43. <span class="sourceLineNo">035</span> * Changes:<a name="line.35"></a>
  44. <span class="sourceLineNo">036</span> * --------<a name="line.36"></a>
  45. <span class="sourceLineNo">037</span> * 02-May-2003 : Version 1 (DG);<a name="line.37"></a>
  46. <span class="sourceLineNo">038</span> * 02-Jun-2004 : Changed 'STANDARD' --&gt; 'FORWARD' (DG);<a name="line.38"></a>
  47. <span class="sourceLineNo">039</span> * 21-Nov-2007 : Implemented hashCode() (DG);<a name="line.39"></a>
  48. <span class="sourceLineNo">040</span> *<a name="line.40"></a>
  49. <span class="sourceLineNo">041</span> */<a name="line.41"></a>
  50. <span class="sourceLineNo">042</span><a name="line.42"></a>
  51. <span class="sourceLineNo">043</span>package org.jfree.chart.plot;<a name="line.43"></a>
  52. <span class="sourceLineNo">044</span><a name="line.44"></a>
  53. <span class="sourceLineNo">045</span>import java.io.ObjectStreamException;<a name="line.45"></a>
  54. <span class="sourceLineNo">046</span>import java.io.Serializable;<a name="line.46"></a>
  55. <span class="sourceLineNo">047</span><a name="line.47"></a>
  56. <span class="sourceLineNo">048</span>/**<a name="line.48"></a>
  57. <span class="sourceLineNo">049</span> * Defines the tokens that indicate the rendering order for datasets in a<a name="line.49"></a>
  58. <span class="sourceLineNo">050</span> * {@link org.jfree.chart.plot.CategoryPlot} or an<a name="line.50"></a>
  59. <span class="sourceLineNo">051</span> * {@link org.jfree.chart.plot.XYPlot}.<a name="line.51"></a>
  60. <span class="sourceLineNo">052</span> */<a name="line.52"></a>
  61. <span class="sourceLineNo">053</span>public final class DatasetRenderingOrder implements Serializable {<a name="line.53"></a>
  62. <span class="sourceLineNo">054</span><a name="line.54"></a>
  63. <span class="sourceLineNo">055</span> /** For serialization. */<a name="line.55"></a>
  64. <span class="sourceLineNo">056</span> private static final long serialVersionUID = -600593412366385072L;<a name="line.56"></a>
  65. <span class="sourceLineNo">057</span><a name="line.57"></a>
  66. <span class="sourceLineNo">058</span> /**<a name="line.58"></a>
  67. <span class="sourceLineNo">059</span> * Render datasets in the order 0, 1, 2, ..., N-1, where N is the number<a name="line.59"></a>
  68. <span class="sourceLineNo">060</span> * of datasets.<a name="line.60"></a>
  69. <span class="sourceLineNo">061</span> */<a name="line.61"></a>
  70. <span class="sourceLineNo">062</span> public static final DatasetRenderingOrder FORWARD<a name="line.62"></a>
  71. <span class="sourceLineNo">063</span> = new DatasetRenderingOrder("DatasetRenderingOrder.FORWARD");<a name="line.63"></a>
  72. <span class="sourceLineNo">064</span><a name="line.64"></a>
  73. <span class="sourceLineNo">065</span> /**<a name="line.65"></a>
  74. <span class="sourceLineNo">066</span> * Render datasets in the order N-1, N-2, ..., 2, 1, 0, where N is the<a name="line.66"></a>
  75. <span class="sourceLineNo">067</span> * number of datasets.<a name="line.67"></a>
  76. <span class="sourceLineNo">068</span> */<a name="line.68"></a>
  77. <span class="sourceLineNo">069</span> public static final DatasetRenderingOrder REVERSE<a name="line.69"></a>
  78. <span class="sourceLineNo">070</span> = new DatasetRenderingOrder("DatasetRenderingOrder.REVERSE");<a name="line.70"></a>
  79. <span class="sourceLineNo">071</span><a name="line.71"></a>
  80. <span class="sourceLineNo">072</span> /** The name. */<a name="line.72"></a>
  81. <span class="sourceLineNo">073</span> private String name;<a name="line.73"></a>
  82. <span class="sourceLineNo">074</span><a name="line.74"></a>
  83. <span class="sourceLineNo">075</span> /**<a name="line.75"></a>
  84. <span class="sourceLineNo">076</span> * Private constructor.<a name="line.76"></a>
  85. <span class="sourceLineNo">077</span> *<a name="line.77"></a>
  86. <span class="sourceLineNo">078</span> * @param name the name.<a name="line.78"></a>
  87. <span class="sourceLineNo">079</span> */<a name="line.79"></a>
  88. <span class="sourceLineNo">080</span> private DatasetRenderingOrder(String name) {<a name="line.80"></a>
  89. <span class="sourceLineNo">081</span> this.name = name;<a name="line.81"></a>
  90. <span class="sourceLineNo">082</span> }<a name="line.82"></a>
  91. <span class="sourceLineNo">083</span><a name="line.83"></a>
  92. <span class="sourceLineNo">084</span> /**<a name="line.84"></a>
  93. <span class="sourceLineNo">085</span> * Returns a string representing the object.<a name="line.85"></a>
  94. <span class="sourceLineNo">086</span> *<a name="line.86"></a>
  95. <span class="sourceLineNo">087</span> * @return The string (never &lt;code&gt;null&lt;/code&gt;).<a name="line.87"></a>
  96. <span class="sourceLineNo">088</span> */<a name="line.88"></a>
  97. <span class="sourceLineNo">089</span> @Override<a name="line.89"></a>
  98. <span class="sourceLineNo">090</span> public String toString() {<a name="line.90"></a>
  99. <span class="sourceLineNo">091</span> return this.name;<a name="line.91"></a>
  100. <span class="sourceLineNo">092</span> }<a name="line.92"></a>
  101. <span class="sourceLineNo">093</span><a name="line.93"></a>
  102. <span class="sourceLineNo">094</span> /**<a name="line.94"></a>
  103. <span class="sourceLineNo">095</span> * Returns &lt;code&gt;true&lt;/code&gt; if this object is equal to the specified<a name="line.95"></a>
  104. <span class="sourceLineNo">096</span> * object, and &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.96"></a>
  105. <span class="sourceLineNo">097</span> *<a name="line.97"></a>
  106. <span class="sourceLineNo">098</span> * @param obj the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.98"></a>
  107. <span class="sourceLineNo">099</span> *<a name="line.99"></a>
  108. <span class="sourceLineNo">100</span> * @return A boolean.<a name="line.100"></a>
  109. <span class="sourceLineNo">101</span> */<a name="line.101"></a>
  110. <span class="sourceLineNo">102</span> @Override<a name="line.102"></a>
  111. <span class="sourceLineNo">103</span> public boolean equals(Object obj) {<a name="line.103"></a>
  112. <span class="sourceLineNo">104</span> if (this == obj) {<a name="line.104"></a>
  113. <span class="sourceLineNo">105</span> return true;<a name="line.105"></a>
  114. <span class="sourceLineNo">106</span> }<a name="line.106"></a>
  115. <span class="sourceLineNo">107</span> if (!(obj instanceof DatasetRenderingOrder)) {<a name="line.107"></a>
  116. <span class="sourceLineNo">108</span> return false;<a name="line.108"></a>
  117. <span class="sourceLineNo">109</span> }<a name="line.109"></a>
  118. <span class="sourceLineNo">110</span> DatasetRenderingOrder order = (DatasetRenderingOrder) obj;<a name="line.110"></a>
  119. <span class="sourceLineNo">111</span> if (!this.name.equals(order.toString())) {<a name="line.111"></a>
  120. <span class="sourceLineNo">112</span> return false;<a name="line.112"></a>
  121. <span class="sourceLineNo">113</span> }<a name="line.113"></a>
  122. <span class="sourceLineNo">114</span> return true;<a name="line.114"></a>
  123. <span class="sourceLineNo">115</span> }<a name="line.115"></a>
  124. <span class="sourceLineNo">116</span><a name="line.116"></a>
  125. <span class="sourceLineNo">117</span> /**<a name="line.117"></a>
  126. <span class="sourceLineNo">118</span> * Returns a hash code for this instance.<a name="line.118"></a>
  127. <span class="sourceLineNo">119</span> *<a name="line.119"></a>
  128. <span class="sourceLineNo">120</span> * @return A hash code.<a name="line.120"></a>
  129. <span class="sourceLineNo">121</span> */<a name="line.121"></a>
  130. <span class="sourceLineNo">122</span> @Override<a name="line.122"></a>
  131. <span class="sourceLineNo">123</span> public int hashCode() {<a name="line.123"></a>
  132. <span class="sourceLineNo">124</span> return this.name.hashCode();<a name="line.124"></a>
  133. <span class="sourceLineNo">125</span> }<a name="line.125"></a>
  134. <span class="sourceLineNo">126</span><a name="line.126"></a>
  135. <span class="sourceLineNo">127</span> /**<a name="line.127"></a>
  136. <span class="sourceLineNo">128</span> * Ensures that serialization returns the unique instances.<a name="line.128"></a>
  137. <span class="sourceLineNo">129</span> *<a name="line.129"></a>
  138. <span class="sourceLineNo">130</span> * @return The object.<a name="line.130"></a>
  139. <span class="sourceLineNo">131</span> *<a name="line.131"></a>
  140. <span class="sourceLineNo">132</span> * @throws ObjectStreamException if there is a problem.<a name="line.132"></a>
  141. <span class="sourceLineNo">133</span> */<a name="line.133"></a>
  142. <span class="sourceLineNo">134</span> private Object readResolve() throws ObjectStreamException {<a name="line.134"></a>
  143. <span class="sourceLineNo">135</span> if (this.equals(DatasetRenderingOrder.FORWARD)) {<a name="line.135"></a>
  144. <span class="sourceLineNo">136</span> return DatasetRenderingOrder.FORWARD;<a name="line.136"></a>
  145. <span class="sourceLineNo">137</span> }<a name="line.137"></a>
  146. <span class="sourceLineNo">138</span> else if (this.equals(DatasetRenderingOrder.REVERSE)) {<a name="line.138"></a>
  147. <span class="sourceLineNo">139</span> return DatasetRenderingOrder.REVERSE;<a name="line.139"></a>
  148. <span class="sourceLineNo">140</span> }<a name="line.140"></a>
  149. <span class="sourceLineNo">141</span> return null;<a name="line.141"></a>
  150. <span class="sourceLineNo">142</span> }<a name="line.142"></a>
  151. <span class="sourceLineNo">143</span><a name="line.143"></a>
  152. <span class="sourceLineNo">144</span>}<a name="line.144"></a>
  153. </pre>
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