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Java > Open Source Codes > org > shiftone > cache > adaptor > OroCacheFactory


1 package org.shiftone.cache.adaptor;
2
3
4
5 import org.shiftone.cache.Cache;
6 import org.shiftone.cache.CacheFactory;
7 import org.shiftone.cache.policy.zero.ZeroCacheFactory;
8 import org.shiftone.cache.util.Log;
9
10
11 /**
12  * Factory for ORO cache policys.
13  *
14  * @version $Revision: 1.1 $
15  * @author $Author: jeffdrost $
16  */
17 public class OroCacheFactory implements CacheFactory
18 {
19
20     private static final Log LOG = new Log(OroCacheFactory.class);
21     public static String JavaDoc ALGORITHM_FIFO = "FIFO";
22     public static String JavaDoc ALGORITHM_FIFO2 = "FIFO2";
23     public static String JavaDoc ALGORITHM_LRU = "LRU";
24     public static String JavaDoc ALGORITHM_RANDOM = "RANDOM";
25     private String JavaDoc algorithm = ALGORITHM_LRU;
26
27     public Cache newInstance(String JavaDoc cacheName, long timeoutMilliSeconds, int maxSize)
28     {
29
30         if (ALGORITHM_FIFO.equalsIgnoreCase(algorithm))
31         {
32             return OroCache.createFIFO(maxSize);
33         }
34         else if (ALGORITHM_FIFO2.equalsIgnoreCase(algorithm))
35         {
36             return OroCache.createFIFO2(maxSize);
37         }
38         else if (ALGORITHM_LRU.equalsIgnoreCase(algorithm))
39         {
40             return OroCache.createLRU(maxSize);
41         }
42         else if (ALGORITHM_RANDOM.equalsIgnoreCase(algorithm))
43         {
44             return OroCache.createRandom(maxSize);
45         }
46         else
47         {
48             LOG.info("unknown ORO cache algorithm : " + algorithm);
49
50             return ZeroCacheFactory.NULL_CACHE;
51         }
52     }
53
54
55     public String JavaDoc getAlgorithm()
56     {
57         return algorithm;
58     }
59
60
61     /**
62      * FIFO, FIFO2, LRU, RANDOM
63      */
64     public void setAlgorithm(String JavaDoc algorithm)
65     {
66         this.algorithm = algorithm;
67     }
68 }
69
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