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 org.compass.core.Resource;
20: import org.compass.core.spi.ResourceKey;
21:
22: /**
23: * A null first level cache, not storing anything.
24: *
25: * @author kimchy
26: */
27: public class NullFirstLevelCache implements FirstLevelCache {
28:
29: public Object get(ResourceKey key) {
30: return null;
31: }
32:
33: public Resource getResource(ResourceKey key) {
34: return null;
35: }
36:
37: public void set(ResourceKey key, Object obj) {
38: }
39:
40: public void setResource(ResourceKey key, Resource resource) {
41: }
42:
43: public void evict(ResourceKey key) {
44: }
45:
46: public void evictAll() {
47: }
48:
49: }
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