001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.page; 018 019import java.io.Serializable; 020 021/** 022 * Lock manager for {@link PageAccessSynchronizer} responsible for locking and unlocking pages for 023 * the duration of a request. 024 */ 025public interface IPageLockManager extends Serializable 026{ 027 028 /** 029 * Acquire a lock to a page 030 * 031 * @param pageId 032 * page id 033 * @throws CouldNotLockPageException 034 * if lock could not be acquired 035 */ 036 void lockPage(int pageId) throws CouldNotLockPageException; 037 038 /** 039 * Unlocks all pages locked by this thread 040 */ 041 void unlockAllPages(); 042 043 /** 044 * Unlocks a single page locked by the current thread. 045 * 046 * @param pageId 047 * the id of the page which should be unlocked. 048 */ 049 void unlockPage(int pageId); 050 051}