/Users/detro/workspace-nb/JAEBI/src/java/org/jaebi/server/util/UniqueRandomIntFactory.java

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00001 /*
00002  * UniqueRandomIntFactory.java
00003  *
00004  * Created on May 21, 2005, 5:14 PM
00005  * Created by Detro - 566/2145
00006  */
00007 
00008 package org.jaebi.server.util;
00009 
00010 import java.util.HashSet;
00011 import java.util.Random;
00018 public class UniqueRandomIntFactory {
00024     private final HashSet prevValues; 
00026     private final Random randomGenerator;
00027 
00028     public UniqueRandomIntFactory() {
00029         prevValues = new HashSet();
00030         randomGenerator = new Random();
00031     }
00032 
00033     public int createUniqueRandomInt() {
00034         int newValue = randomGenerator.nextInt();
00035         Integer newValueObj = new Integer(newValue);
00036 
00037         while ( prevValues.contains(newValueObj) ) {
00038             newValue = randomGenerator.nextInt();
00039             newValueObj = new Integer(newValue);
00040         }
00041 
00042         prevValues.add(newValueObj);
00043         return newValue;
00044     }
00045 }

Generato il Mon Jun 27 22:50:38 2005 per JAEBI - JAva Enterprice BackEnd Interfacement da  doxygen 1.4.3