001package org.apache.commons.jcs.utils.discovery.behavior; 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 022import org.apache.commons.jcs.utils.discovery.DiscoveredService; 023 024/** 025 * Interface for things that want to listen to discovery events. This will allow discovery to be 026 * used outside of the TCP lateral. 027 */ 028public interface IDiscoveryListener 029{ 030 /** 031 * Add the service if needed. This does not necessarily mean that the service is not already 032 * added. This can be called if there is a change in service information, such as the cacheNames. 033 * <p> 034 * @param service the service to add 035 */ 036 void addDiscoveredService( DiscoveredService service ); 037 038 /** 039 * Remove the service from the list. 040 * <p> 041 * @param service the service to remove 042 */ 043 void removeDiscoveredService( DiscoveredService service ); 044}