Java Doc for PegRandom.java in  » Workflow-Engines » pegasus-2.1.0 » org » griphyn » cPlanner » common » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » pegasus 2.1.0 » org.griphyn.cPlanner.common   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.griphyn.cPlanner.common.PegRandom PegRandom public class PegRandom (Code) A Helper class that returns the Random values using java.util.Random class. It is a singleton instance, and all functions in Pegasus call it to get the random value. The singleton ensures that the number returned is random as compared to previous values. If this is not used and one ends up doing a new Random(), all the calls effectively end up setting the same seed value, nad by extension one gets the same value. Using just one Random object we hope to bypass the problem. Copyright: Copyright (c) 2002 Company: USC/ISI author:    Gaurang Mehta author:    Karan Vahi version:    $Revision: 50 $ Method Summary public static  int getInteger(int upperIndex)      This calls the next double function and returns an integer between the 0 and upper index. public static  int getInteger(int lowerIndex, int upperIndex)      This calls the next double function and returns an integer between the lower index and upper index. public static  double nextDouble()      Returns a double value between 0.0 and 1.0. public static  double nextGaussian()      Returns a normally distributed (gaussian) random variable between 0.0 and 1.0. Method Detail getInteger public static int getInteger(int upperIndex)(Code) This calls the next double function and returns an integer between the 0 and upper index. getInteger public static int getInteger(int lowerIndex, int upperIndex)(Code) This calls the next double function and returns an integer between the lower index and upper index. nextDouble public static double nextDouble()(Code) Returns a double value between 0.0 and 1.0. nextGaussian public static double nextGaussian()(Code) Returns a normally distributed (gaussian) random variable between 0.0 and 1.0. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)