01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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 org.compass.core.cache.first;
18:
19: import java.util.HashMap;
20:
21: import org.compass.core.Resource;
22: import org.compass.core.spi.ResourceKey;
23:
24: /**
25: * A default implementation of first level cache.
26: *
27: * @author kimchy
28: */
29: public class DefaultFirstLevelCache implements FirstLevelCache {
30:
31: private HashMap<ResourceKey, Object> objects = new HashMap<ResourceKey, Object>();
32:
33: private HashMap<ResourceKey, Resource> resources = new HashMap<ResourceKey, Resource>();
34:
35: public Object get(ResourceKey key) {
36: return objects.get(key);
37: }
38:
39: public Resource getResource(ResourceKey key) {
40: return resources.get(key);
41: }
42:
43: public void set(ResourceKey key, Object obj) {
44: objects.put(key, obj);
45: }
46:
47: public void setResource(ResourceKey key, Resource resource) {
48: resources.put(key, resource);
49: }
50:
51: public void evict(ResourceKey key) {
52: objects.put(key, null);
53: resources.put(key, null);
54: }
55:
56: public void evictAll() {
57: objects.clear();
58: resources.clear();
59: }
60:
61: }
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