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.time.Duration; 020 021/** 022 * An exception that is being thrown when a second thread attempts to get 023 * the lock on a page instance that is currently locked by another thread and it cannot 024 * do that for some specified {@link org.apache.wicket.settings.RequestCycleSettings#getTimeout() duration} 025 * 026 * @see org.apache.wicket.settings.RequestCycleSettings#setTimeout(Duration) 027 * @see org.apache.wicket.settings.ExceptionSettings#setThreadDumpStrategy(org.apache.wicket.settings.ExceptionSettings.ThreadDumpStrategy) 028 */ 029public class CouldNotLockPageException extends RuntimeException 030{ 031 private static final long serialVersionUID = 1L; 032 033 private final int page; 034 private final Duration timeout; 035 private final String threadName; 036 037 /** 038 * Construct. 039 * 040 * @param page 041 * the id of the page instance which is already locked 042 * @param threadName 043 * the name of the thread that attempts to acquire the lock on the page 044 * @param timeout 045 * the duration that the second thread waited for the lock 046 */ 047 public CouldNotLockPageException(int page, String threadName, Duration timeout) 048 { 049 super("Could not lock page " + page + ". Attempt lasted " + timeout); 050 this.page = page; 051 this.timeout = timeout; 052 this.threadName = threadName; 053 } 054 055 /** 056 * @return page 057 */ 058 public int getPage() 059 { 060 return page; 061 } 062 063 /** 064 * @return timeout 065 */ 066 public Duration getTimeout() 067 { 068 return timeout; 069 } 070 071 /** 072 * @return threadName 073 */ 074 public String getThreadName() 075 { 076 return threadName; 077 } 078}