1 package org.apache.jcs.auxiliary.lateral;
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 java.io.Serializable;
23 import java.util.Collections;
24 import java.util.Set;
25
26 import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService;
27 import org.apache.jcs.engine.ZombieCacheService;
28 import org.apache.jcs.engine.behavior.ICacheElement;
29
30 /***
31 * The ZombieLateralCacheService is used as a facade when the lateral is not
32 * available. It balks when the lateral is in error. When lateral service is
33 * restored, this is replaced by a live facade.
34 *
35 */
36 public class ZombieLateralCacheService
37 extends ZombieCacheService
38 implements ILateralCacheService
39 {
40
41 /*
42 * (non-Javadoc)
43 *
44 * @see org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService#update(org.apache.jcs.engine.behavior.ICacheElement,
45 * long)
46 */
47 public void update( ICacheElement item, long listenerId )
48 {
49 // zombies have no inner life
50 }
51
52 /*
53 * (non-Javadoc)
54 *
55 * @see org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService#remove(java.lang.String,
56 * java.io.Serializable, long)
57 */
58 public void remove( String cacheName, Serializable key, long listenerId )
59 {
60 // zombies have no inner life
61 }
62
63 /*
64 * (non-Javadoc)
65 *
66 * @see org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService#removeAll(java.lang.String,
67 * long)
68 */
69 public void removeAll( String cacheName, long listenerId )
70 {
71 // zombies have no inner life
72 }
73
74 /*
75 * (non-Javadoc)
76 *
77 * @see org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService#getGroupKeys(java.lang.String,
78 * java.lang.String)
79 */
80 public Set getGroupKeys( String cacheName, String groupName )
81 {
82 return Collections.EMPTY_SET;
83 }
84 }