1 package org.apache.commons.jcs3.access.exception; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 /** 23 * The putSafe method on the JCS convenience class throws this exception if the object is already 24 * present in the cache. 25 * <p> 26 * I'm removing this exception from normal use. 27 * <p> 28 * The overhead of throwing exceptions and the cumbersomeness of coding around exceptions warrants 29 * removal. Exceptions like this don't make sense to throw in the course of normal operations to 30 * signify a normal and expected condition. Returning null if an object isn't found is sufficient. 31 */ 32 public class ObjectExistsException 33 extends CacheException 34 { 35 /** Don't change. */ 36 private static final long serialVersionUID = -3779745827993383872L; 37 38 /** Constructor for the ObjectExistsException object */ 39 public ObjectExistsException() 40 { 41 } 42 43 /** 44 * Constructor for the ObjectExistsException object 45 * @param message 46 */ 47 public ObjectExistsException( final String message ) 48 { 49 super( message ); 50 } 51 52 }