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1 package org.shiftone.cache.decorator.sync;
2
3
4
5 import org.shiftone.cache.Cache;
6 import org.shiftone.cache.util.reaper.ReapableCache;
7
8
9
13 public class SyncCache implements Cache, ReapableCache
14 {
15
16 private final ReapableCache reapableCache;
17 private final Cache cache;
18
19 public SyncCache(Cache cache)
20 {
21
22 this.cache = cache;
23
24 if (cache instanceof ReapableCache)
25 {
26 reapableCache = (ReapableCache) cache;
27 }
28 else
29 {
30 reapableCache = null;
31 }
32 }
33
34
35 public void addObject(Object  userKey, Object cacheObject)
36 {
37
38 synchronized (cache)
39 {
40 cache.addObject(userKey, cacheObject);
41 }
42 }
43
44
45 public Object getObject(Object key)
46 {
47
48 synchronized (cache)
49 {
50 return cache.getObject(key);
51 }
52 }
53
54
55 public int size()
56 {
57 return cache.size();
58 }
59
60
61 public void remove(Object key)
62 {
63
64 synchronized (cache)
65 {
66 cache.remove(key);
67 }
68 }
69
70
71 public void clear()
72 {
73
74 synchronized (cache)
75 {
76 cache.clear();
77 }
78 }
79
80
81 public void removeExpiredElements()
82 {
83
84 if (reapableCache != null)
85 {
86 synchronized (cache)
87 {
88 reapableCache.removeExpiredElements();
89 }
90 }
91 }
92
93
94 public String toString()
95 {
96 return "SycnCache->" + cache;
97 }
98 }
99 |
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