localresourcereferencehome.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;
import javax.ejb.*;
import java.util.Collection;

/**
 * LocalResourceReferenceHome is the home interface for ResourceReferenceBean.
 *  
 * @author Alexander Yap
 * @see LocalResourceReference
 */
public interface LocalResourceReferenceHome extends EJBLocalHome
{
	/**
	 * Creates a new ResourceReferenceBean instance and returns
	 * a LocalResourceReference interface to it.
	 * @param catKey Category key
	 * @param resId ID of resource to reference.
	 * @return A LocalResourceReference local interface to the new ResourceReferenceBean instance.
	 * @throws CreateException
	 */
	public LocalResourceReference create( String catKey, String resId  ) throws CreateException;

	/**
	 * Finds a ResourceReferenceBean instance by its primary key.
	 * @param pk Primary key to search for.
	 * @return A LocalResourceReference interface to the ResourceReferenceBean.
	 * @throws FinderException if the primary key is not found.
	 */	
	public LocalResourceReference findByPrimaryKey(ResourceReferenceKey pk) throws FinderException;

	/**
	 * Gets all ResourceReferenceBean instances with the specified category key. 
	 * 
	 * @param key Category key to search for.
	 * @return Collection of matching LocalResourceReference interfaces.
	 * @throws FinderException
	 */	
	public Collection findByCategoryKey(String key) throws FinderException;

	/**
	 * Gets the ResourceReferenceBean instance with the specified category key and resource ID. 
	 * 
	 * @param key Category key to search for.
	 * @return Collection storing the matching LocalResourceReference interfaces, or an empty Collection if the resource is not found.
	 * @throws FinderException
	 */	
	public Collection findByCategoryAndResource(String catKey, String resId) throws FinderException;

	/**
	 * Gets all ResourceReferenceBean instances.
	 * @return Collection containing all LocalResourceReference interfaces.
	 * @throws FinderException
	 */
	public Collection findAll() throws FinderException;
}