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/**
 *  Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.gnu.org/licenses/gpl.html
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.tinygroup.tinypc;

import org.tinygroup.rmi.RemoteObject;
import java.rmi.RemoteException;
import java.util.List;

/**
 * Created by luoguo on 14-1-23.
 */
public interface WorkQueue extends RemoteObject {
	String WORKQUEUE_TYPE = "WorkQueue";

	/**
	 * 设置对象仓库
	 * 
	 * @param objectStorage
	 */
	void setObjectStorage(ObjectStorage objectStorage) throws RemoteException;

	/**
	 * 添加一个工作
	 * 
	 * @param work
	 * @throws RemoteException
	 */
	void add(Work work) throws RemoteException;

	/**
	 * 删除一个工作
	 * 
	 * @param work
	 * @throws RemoteException
	 */

	void remove(Work work) throws RemoteException;

	/**
	 * 更新工作状态
	 * 
	 * @param work
	 * @throws RemoteException
	 */
	void updateWorkStatus(Work work, WorkStatus workStatus)
			throws RemoteException;

	/**
	 * 获取工作状态
	 * 
	 * @param work
	 * @return
	 * @throws RemoteException
	 */
	WorkStatus getWorkStatus(Work work) throws RemoteException;

	/**
	 * 返回工作总数
	 * 
	 * @return
	 */
	int size() throws RemoteException;

	/**
	 * 返回所有的工作列表
	 * 
	 * @return
	 * @throws RemoteException
	 */
	List getWorkList() throws RemoteException;

	/**
	 * 返回一个空闲工作
	 * 
	 * @return
	 * @throws RemoteException
	 */
	Work getIdleWork() throws RemoteException;

	/**
	 * 返回指定类型指定工作状态的工作列表
	 * 
	 * @param type
	 * @param workStatus
	 * @return
	 * @throws RemoteException
	 */
	List getWorkList(String type, WorkStatus workStatus)
			throws RemoteException;

	/**
	 * 返回指定工作状态的工作列表
	 * 
	 * @param workStatus
	 * @return
	 * @throws RemoteException
	 */
	List getWorkList(WorkStatus workStatus) throws RemoteException;

	/**
	 * 去掉一个旧工作，添加一个新工作
	 * 
	 * @param oldWork
	 * @param newWork
	 * @throws RemoteException
	 */
	void replace(Work oldWork, Work newWork) throws RemoteException;

	/**
	 * 把工作移动到工作队列最后
	 * 
	 * @param work
	 */
	void moveToLast(Work work) throws RemoteException;

}