resourcereferencekey.java

老外的在线考试

/*
 * UserEJB - CyberDemia's User management library implemented using EJBs.
 * Copyright (C) 2003 CyberDemia Research and Services
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA  02111-1307, USA.
 *
 * See the COPYING file located in the top-level-directory of
 * the archive of this library for complete text of license.
 */
package com.cyberdemia.user;

/**
 * ResourceReferenceKey is the primary key class for LocalResourceReference.
 * It is made up of the category key and resource ID.
 *  
 * @author Alexander Yap
 */
public class ResourceReferenceKey implements java.io.Serializable
{
	public String categoryKey;
	public String resourceId;

	public ResourceReferenceKey() { }
	
	/**
	 * Gets the category key portion of this ResourceReferenceKey.
	 * @return Category key.
	 */
	public String getCategoryKey()
	{
		return categoryKey;
	}

	/**
	 * Gets the resource ID portion of this ResourceReferenceKey.
	 * @return Resource ID.
	 */
	public String getResourceId()
	{
		return resourceId;
	}

	public boolean equals(Object rhs)
	{
		if (rhs instanceof ResourceReferenceKey)
		{
			ResourceReferenceKey rhsKey = (ResourceReferenceKey)rhs;
			return ( categoryKey.equals( rhsKey.categoryKey) && resourceId.equals(rhsKey.resourceId) );
		}
		return false;
	}
	
	public int hashCode() 
	{
		return categoryKey.concat(resourceId).hashCode();
	}
}