1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.jetspeed.cache.file;
19
20
21 /***
22 * FileCacheEventListener on notifications sent when FileCache events occur
23 *
24 * @author David S. Taylor <a href="mailto:taylor@apache.org">David Sean Taylor</a>
25 * @version $Id: FileCacheEventListener.java 516448 2007-03-09 16:25:47Z ate $
26 */
27
28 public interface FileCacheEventListener
29 {
30
31 /***
32 * Refresh event, called when the entry is being refreshed from file system.
33 *
34 * @param entry the entry being refreshed.
35 */
36 void refresh(FileCacheEntry entry) throws Exception;
37
38 /***
39 * Evict event, called when the entry is being evicted out of the cache
40 *
41 * @param entry the entry being refreshed.
42 */
43 void evict(FileCacheEntry entry) throws Exception;
44
45 }
46
47
48