1 /* 2 * Copyright 2006 University Corporation for Advanced Internet Development, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.opensaml.util.resource; 18 19 /** 20 * A resource change listener. 21 */ 22 public interface ResourceChangeListener{ 23 24 /** Types of change events; creation, update, and deletion. */ 25 public enum ResourceChange{ CREATION, UPDATE, DELETE}; 26 27 /** 28 * Called when a resource is created. 29 * 30 * @param resource the resource that was created 31 */ 32 public void onResourceCreate(Resource resource); 33 34 /** 35 * Called when a resource is update. 36 * 37 * @param resource the resource that was updated 38 */ 39 public void onResourceUpdate(Resource resource); 40 41 /** 42 * Called when a resource is deleted. 43 * 44 * @param resource the resource that was deleted 45 */ 46 public void onResourceDelete(Resource resource); 47 }