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1
10
11 package net.sf.cache4j.perfomance.cache;
12
13 import net.sf.cache4j.perfomance.ICache;
14 import com.opensymphony.oscache.general.GeneralCacheAdministrator;
15
16 import java.util.Properties  ;
17
18 import org.apache.log4j.PropertyConfigurator;
19
20
26
27 public class oscache implements ICache {
28 private GeneralCacheAdministrator _cache;
31
33 public static final String NAME = "oscache 2.2";
34
35
38
42 public void init() throws Exception {
43 Properties prop = new Properties ();
44 prop.put("log4j.logger.com.opensymphony.oscache", "fatal, oscache");
45 prop.put("log4j.appender.oscache", "org.apache.log4j.ConsoleAppender");
46 prop.put("log4j.appender.oscache.layout", "org.apache.log4j.PatternLayout");
47 prop.put("log4j.appender.oscache.layout.ConversionPattern", "%d %-5p%m%n");
48 PropertyConfigurator.configure(prop);
49
50 prop = new Properties ();
51 prop.put("cache.memory", "true");
52 prop.put("cache.use.host.domain.in.key", "false");
53 prop.put("cache.algorithm", "com.opensymphony.oscache.base.algorithm.LRUCache");
54 prop.put("cache.capacity", "1000");
55 _cache = new GeneralCacheAdministrator(prop);
56 }
57
58
64 public Object get(Object id) throws Exception {
65 try {
66 return _cache.getFromCache(id.toString());
67 } catch (Exception ex) {
68 try {
69 _cache.cancelUpdate(id.toString());
70
80 } catch (Exception e){ }
81 }
82 return null;
83 }
84
85
91 public void put(Object id, Object value) throws Exception {
92 boolean updated = false;
93 try {
94 _cache.putInCache(id.toString(), value);
95 updated = true;
96 } catch (Exception ex) {
97 if (!updated) {
98 try {
99 _cache.cancelUpdate(id.toString());
100
110 } catch (Exception e){ }
111 }
112 }
113 }
114
115
120 public void remove(Object id) throws Exception {
121 _cache.flushEntry(id.toString());
122 }
123
124
129 public long size() throws Exception {
130 return 0;
131 }
132
133
136 public void destroy() {
137 _cache = null;
138 }
139
140
144 public String getCacheName() {
145 return NAME;
146 }
147
148 } |
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