1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
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 package net.sf.ehcache.hibernate.ccs;
17
18 import net.sf.ehcache.hibernate.EhCache;
19 import org.hibernate.cache.Cache;
20 import org.hibernate.cache.CacheConcurrencyStrategy;
21 import org.hibernate.cache.CacheException;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
24
25 /***
26 * Superclass of all Ehcache specific cache concurrency strategies.
27 *
28 * @author Chris Dennis
29 */
30 @Deprecated
31 abstract class AbstractEhcacheConcurrencyStrategy implements CacheConcurrencyStrategy {
32
33 private static final Logger LOG = LoggerFactory.getLogger(EhcacheReadOnlyCache.class);
34
35 /***
36 * Ehcache instance this strategy accesses.
37 */
38 protected EhCache cache;
39
40 /***
41 * {@inheritDoc}
42 *
43 * @throws CacheException if the underlying cache is not an Ehcache
44 */
45 public final void setCache(Cache cache) throws CacheException {
46 if (cache instanceof EhCache) {
47 this.cache = (EhCache) cache;
48 } else {
49 throw new CacheException("Ehcache concurrency strategies must be used with Ehcache caches");
50 }
51 }
52
53 /***
54 * {@inheritDoc}
55 */
56 public final Cache getCache() {
57 return cache;
58 }
59
60 /***
61 * {@inheritDoc}
62 */
63 public final String getRegionName() {
64 return cache.getRegionName();
65 }
66
67 /***
68 * {@inheritDoc}
69 */
70 public final void remove(Object key) throws CacheException {
71 cache.remove(key);
72 }
73
74 /***
75 * {@inheritDoc}
76 */
77 public final void clear() throws CacheException {
78 cache.clear();
79 }
80
81 /***
82 * {@inheritDoc}
83 */
84 public final void destroy() {
85 try {
86 cache.destroy();
87 } catch (Exception e) {
88 LOG.warn("could not destroy cache", e);
89 }
90 }
91 }