Implemented JMeter custom method call __FloatRandomNumber.

JMeter/code4reference/com/jmeter/FloatRandomNumber.java

@@ -0,0 +1,76 @@
+package code4reference.com.jmeter.functions;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+
+import org.apache.jmeter.engine.util.CompoundVariable;
+import org.apache.jmeter.functions.AbstractFunction;
+import org.apache.jmeter.functions.InvalidVariableException;
+import org.apache.jmeter.samplers.SampleResult;
+import org.apache.jmeter.samplers.Sampler;
+import org.apache.jmeter.threads.JMeterVariables;
+
+public class FloatRandomNumber extends AbstractFunction {
+	private static final List<String> desc = new LinkedList<String>();
+	private static final String KEY = "__floatRandomNumber";
+	private static final Random random = new Random(System.currentTimeMillis());
+
+	static {
+		desc.add("Returns the next pseudorandom, uniformly distributed float value between 0.0 and 1.0.");
+	}
+	private Object[] values;
+
+	/**
+	 * No-arg constructor.
+	 */
+	public FloatRandomNumber() {
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public synchronized String execute(SampleResult previousResult, Sampler currentSampler)
+			throws InvalidVariableException {
+		JMeterVariables vars = getVariables();
+
+		Float randomFloat = random.nextFloat();
+		String varName = null;
+
+		if (values.length > 0) {
+			varName = ((CompoundVariable) values[0]).execute().trim();
+		}
+
+		if (vars != null && varName != null && varName.length() > 0) {// vars will be null on TestPlan
+			vars.put(varName, randomFloat.toString());
+		}
+
+		return randomFloat.toString();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public synchronized void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException {
+		values = parameters.toArray();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public String getReferenceKey() {
+		return KEY;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public List<String> getArgumentDesc() {
+		return desc;
+	}
+}

JMeter/code4reference/com/jmeter/functions/FloatRandomNumber.java

@@ -0,0 +1,76 @@
+package code4reference.com.jmeter.functions;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+
+import org.apache.jmeter.engine.util.CompoundVariable;
+import org.apache.jmeter.functions.AbstractFunction;
+import org.apache.jmeter.functions.InvalidVariableException;
+import org.apache.jmeter.samplers.SampleResult;
+import org.apache.jmeter.samplers.Sampler;
+import org.apache.jmeter.threads.JMeterVariables;
+
+public class FloatRandomNumber extends AbstractFunction {
+	private static final List<String> desc = new LinkedList<String>();
+	private static final String KEY = "__floatRandomNumber";
+	private static final Random random = new Random(System.currentTimeMillis());
+
+	static {
+		desc.add("Returns the next pseudorandom, uniformly distributed float value between 0.0 and 1.0.");
+	}
+	private Object[] values;
+
+	/**
+	 * No-arg constructor.
+	 */
+	public FloatRandomNumber() {
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public synchronized String execute(SampleResult previousResult, Sampler currentSampler)
+			throws InvalidVariableException {
+		JMeterVariables vars = getVariables();
+
+		Float randomFloat = random.nextFloat();
+		String varName = null;
+
+		if (values.length > 0) {
+			varName = ((CompoundVariable) values[0]).execute().trim();
+		}
+
+		if (vars != null && varName != null && varName.length() > 0) {// vars will be null on TestPlan
+			vars.put(varName, randomFloat.toString());
+		}
+
+		return randomFloat.toString();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public synchronized void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException {
+		values = parameters.toArray();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public String getReferenceKey() {
+		return KEY;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public List<String> getArgumentDesc() {
+		return desc;
+	}
+}

JavaPrograms/jarExample/MainJar.java

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+import code4reference.com.jar.TestJar;
+
+class MainJar{
+   public static void main(String args[]){
+
+      TestJar testjar = new TestJar();
+
+      testjar.print();
+
+  } 
+
+}

JavaPrograms/jarExample/code4reference/com/jar/TestJar.java

@@ -0,0 +1,9 @@
+package code4reference.com.jar;
+
+public class  TestJar {
+
+   public void print(){
+      System.out.println("Hello World! from TestJar");
+   }
+
+}