1 /**
2 * Copyright 2003-2006 Greg Luck
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 net.sf.ehcache.distribution;
18
19 import net.sf.ehcache.event.CacheEventListener;
20
21 /**
22 * Replicates cache entries to peers of the CacheManager
23 * @author <a href="mailto:gluck@thoughtworks.com">Greg Luck</a>
24 * @version $Id: CacheReplicator.java 52 2006-04-24 14:50:03Z gregluck $
25 */
26 public interface CacheReplicator extends CacheEventListener {
27
28 /**
29 * Returns whether update is through copy or invalidate
30 * @return true if update is via copy, else false if invalidate
31 */
32 boolean isReplicateUpdatesViaCopy();
33
34 /**
35 * Returns whether the replicator is not active.
36 * @return true if the status is not STATUS_ALIVE
37 */
38 boolean notAlive();
39
40 /**
41 * Checks that the replicator is is <code>STATUS_ALIVE</code>.
42 * @return true if the replicator is is <code>STATUS_ALIVE</code>, else false.
43 */
44 boolean alive();
45
46 }