001package org.apache.commons.jcs3.access.exception; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022/** 023 * The putSafe method on the JCS convenience class throws this exception if the object is already 024 * present in the cache. 025 * <p> 026 * I'm removing this exception from normal use. 027 * <p> 028 * The overhead of throwing exceptions and the cumbersomeness of coding around exceptions warrants 029 * removal. Exceptions like this don't make sense to throw in the course of normal operations to 030 * signify a normal and expected condition. Returning null if an object isn't found is sufficient. 031 */ 032public class ObjectExistsException 033 extends CacheException 034{ 035 /** Don't change. */ 036 private static final long serialVersionUID = -3779745827993383872L; 037 038 /** Constructor for the ObjectExistsException object */ 039 public ObjectExistsException() 040 { 041 } 042 043 /** 044 * Constructor for the ObjectExistsException object 045 * @param message 046 */ 047 public ObjectExistsException( final String message ) 048 { 049 super( message ); 050 } 051 052}