1 package org.apache.commons.jcs.utils.discovery.behavior;
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 import org.apache.commons.jcs.utils.discovery.DiscoveredService;
23
24 /**
25 * Interface for things that want to listen to discovery events. This will allow discovery to be
26 * used outside of the TCP lateral.
27 */
28 public interface IDiscoveryListener
29 {
30 /**
31 * Add the service if needed. This does not necessarily mean that the service is not already
32 * added. This can be called if there is a change in service information, such as the cacheNames.
33 * <p>
34 * @param service the service to add
35 */
36 void addDiscoveredService( DiscoveredService service );
37
38 /**
39 * Remove the service from the list.
40 * <p>
41 * @param service the service to remove
42 */
43 void removeDiscoveredService( DiscoveredService service );
44 }