Adds PoissonDistribution

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/core/configuration/ImportConfiguration.java

@@ -2,6 +2,8 @@ package de.tu_darmstadt.tk.SmartHomeNetworkSim.core.configuration;
 
 import java.util.LinkedList;
 
+import org.apache.commons.math3.distribution.PoissonDistribution;
+
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.Connection;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.ConnectionPerformance;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.ConnectionPrecision;
@@ -16,6 +18,7 @@ import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.devices.FloatCollectorDevice;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.devices.FloatSensorDevice;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.distributionHandler.ConstantValueDistributionHandler;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.distributionHandler.NormalDistributionHandler;
+import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.distributionHandler.PoissonDistributionHandler;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.protocols.MQTT_protocol;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.protocols.Ping_protocol;
 import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.simpleImplementation.SimpleLink;
@@ -71,6 +74,7 @@ public class ImportConfiguration {
 		
 		standardDistributions.add(ConstantValueDistributionHandler.class);
 		standardDistributions.add(NormalDistributionHandler.class);
+		standardDistributions.add(PoissonDistributionHandler.class);
 	}
 	
 	

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/core/distributionHandler/PoissonDistributionHandler.java

@@ -0,0 +1,168 @@
+package de.tu_darmstadt.tk.SmartHomeNetworkSim.core.distributionHandler;
+
+import java.awt.Color;
+import java.awt.Dimension;
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+import org.apache.commons.math3.distribution.NormalDistribution;
+import org.apache.commons.math3.distribution.PoissonDistribution;
+import org.apache.commons.math3.random.RandomGenerator;
+
+import de.tu_darmstadt.tk.SmartHomeNetworkSim.core.ProbabilityDistributionHandler;
+
+/**
+ * Example class representing a Normal Distribution
+ *
+ * @author Andreas T. Meyer-Berg
+ */
+public class PoissonDistributionHandler implements
+		ProbabilityDistributionHandler {
+
+	/**
+	 * Poisson Mean value
+	 */
+	private double p;
+	
+	/**
+	 * Standard Deviation
+	 */
+	private double epsilon;
+	
+	/**
+	 * Normal Distribution
+	 */
+	private PoissonDistribution dist;
+	
+	/**
+	 * 
+	 */
+	private RandomGenerator gen = null;
+	
+	/**
+	 * Creates a new distribution which returns the given value
+	 * @param value value to be returned
+	 */
+	public PoissonDistributionHandler(double p, double epsilon) {
+		this.p = p;
+		this.epsilon = epsilon;
+		dist = new PoissonDistribution(p, epsilon);
+	}
+
+	/**
+	 * Creates a default distribution, which returns 50.
+	 */
+	public PoissonDistributionHandler() {
+		this.p = 50.0;
+		this.epsilon = 12.0;
+		dist = new PoissonDistribution(p, epsilon);
+	}
+	
+	@Override
+	public void setRandomGenerator(RandomGenerator rng) {
+		gen = rng;
+		dist = new PoissonDistribution(rng, p, epsilon, 100);
+	}
+
+	@Override
+	public long sampleNextValue() {
+		return (long)Math.round(dist.sample());
+	}
+
+	@Override
+	public JPanel getConfigurationPanel() {
+		/**
+		 * JPanel which allows configuration of this Distribution
+		 */
+		JPanel panel = new JPanel();
+		panel.setMinimumSize(new Dimension(90, 80));
+		panel.setLayout(null);
+		
+		/**
+		 * Label 
+		 */
+		JLabel label = new JLabel("p(Mean): ");
+		panel.add(label);
+		label.setLocation(20, 20);
+		label.setSize(100,20);
+		label.setMinimumSize(new Dimension(50, 20));
+
+		/**
+		 * Textfield for changing the value
+		 */
+		JTextField valueConfig = new JTextField(""+p);
+		panel.add(valueConfig);
+		valueConfig.setLocation(130, 20);
+		valueConfig.setMinimumSize(new Dimension(70, 20));
+		valueConfig.setSize(70, 20);
+		valueConfig.addActionListener(a->{
+			try {
+				/**
+				 * Update the value
+				 */
+				p = Double.parseDouble(valueConfig.getText());
+				initializeDistribution();
+				valueConfig.setBackground(Color.WHITE);
+			} catch (Exception e) {
+				valueConfig.setBackground(Color.RED);
+			}
+		});
+		
+		
+		
+		/**
+		 * Label 
+		 */
+		JLabel lbSD = new JLabel("epsilon: ");
+		panel.add(lbSD);
+		lbSD.setLocation(20, 50);
+		lbSD.setSize(100,20);
+		lbSD.setMinimumSize(new Dimension(50, 20));
+
+		/**
+		 * Textfield for changing the value
+		 */
+		JTextField tfSDvalue = new JTextField(""+epsilon);
+		panel.add(tfSDvalue);
+		tfSDvalue.setLocation(130, 50);
+		tfSDvalue.setMinimumSize(new Dimension(70, 20));
+		tfSDvalue.setSize(70, 20);
+		tfSDvalue.addActionListener(a->{
+			try {
+				/**
+				 * Update the value
+				 */
+				epsilon = Double.parseDouble(tfSDvalue.getText());
+				tfSDvalue.setBackground(Color.WHITE);
+			} catch (Exception e) {
+				tfSDvalue.setBackground(Color.RED);
+			}
+		});
+		return panel;
+	}
+
+	private void initializeDistribution() {
+		if(gen==null)
+			dist = new PoissonDistribution(p, epsilon);
+		else
+			dist = new PoissonDistribution(gen, p, epsilon, 100);
+			
+	}
+
+	public static void main(String[] args) {
+		PoissonDistributionHandler c = new PoissonDistributionHandler(12.0, 5.0);
+		JFrame test = new JFrame("test");
+		test.setSize(400, 400);
+		test.add(c.getConfigurationPanel());
+		test.setEnabled(true);
+		test.setVisible(true);
+	}
+
+	@Override
+	public String getSimpleDescription() {
+		return "Normal Distribution";
+	}
+}