TestIdHashSet.java

/*
 * Distributed as part of mchange-commons-java 0.2.11
 *
 * Copyright (C) 2015 Machinery For Change, Inc.
 *
 * Author: Steve Waldman <swaldman@mchange.com>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of EITHER:
 *
 *     1) The GNU Lesser General Public License (LGPL), version 2.1, as 
 *        published by the Free Software Foundation
 *
 * OR
 *
 *     2) The Eclipse Public License (EPL), version 1.0
 *
 * You may choose which license to accept if you wish to redistribute
 * or modify this work. You may offer derivatives of this work
 * under the license you have chosen, or you may provide the same
 * choice of license which you have been offered here.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received copies of both LGPL v2.1 and EPL v1.0
 * along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
 * If not, the text of these licenses are currently available at
 *
 * LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php 
 * 
 */

package com.mchange.v1.identicator.test;

import java.sql.*;
import java.util.*;
import java.lang.reflect.*;
import com.mchange.v1.identicator.*;
import com.mchange.v1.lang.*;
import com.mchange.v1.util.*;

public class TestIdHashSet
{
    public static void main(String[] argv)
    {
  	Identicator id = new Identicator()
  	    {
  		public boolean identical(Object a, Object b)
  		{ return ((String) a).charAt(0) == ((String) b).charAt(0); }
		
  		public int hash(Object o)
  		{ return ((String) o).charAt(0); }
  	    };

  	Set s = new IdHashSet(id);
  	System.out.println(s.add("hello"));
  	System.out.println(s.add("world"));
  	System.out.println(s.add("hi"));
  	System.out.println(s.size());
  	Object[] elems = s.toArray();
  	for (int i = 0; i < elems.length; ++i)
  	    System.out.println( elems[i] );
    }
}