Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MemoryPersistenceStrategy |
|
| 1.25;1.25 |
1 | /* | |
2 | * $Id: MemoryPersistenceStrategy.java 8077 2007-08-27 20:15:25Z aperepel $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSource, Inc. All rights reserved. http://www.mulesource.com | |
5 | * | |
6 | * The software in this package is published under the terms of the CPAL v1.0 | |
7 | * license, a copy of which has been included with this distribution in the | |
8 | * LICENSE.txt file. | |
9 | */ | |
10 | ||
11 | package org.mule.util.queue; | |
12 | ||
13 | import java.io.IOException; | |
14 | import java.util.ArrayList; | |
15 | import java.util.Collections; | |
16 | import java.util.HashMap; | |
17 | import java.util.List; | |
18 | import java.util.Map; | |
19 | ||
20 | import org.safehaus.uuid.UUIDGenerator; | |
21 | ||
22 | 1212 | public class MemoryPersistenceStrategy implements QueuePersistenceStrategy |
23 | { | |
24 | ||
25 | 1212 | private UUIDGenerator gen = UUIDGenerator.getInstance(); |
26 | ||
27 | 1212 | private Map map = Collections.synchronizedMap(new HashMap()); |
28 | ||
29 | protected Object getId(Object obj) | |
30 | { | |
31 | 1040 | return gen.generateRandomBasedUUID(); |
32 | } | |
33 | ||
34 | /* | |
35 | * (non-Javadoc) | |
36 | * | |
37 | * @see org.mule.transaction.xa.queue.QueuePersistenceStrategy#store(java.lang.Object) | |
38 | */ | |
39 | public Object store(String queue, Object obj) throws IOException | |
40 | { | |
41 | 1040 | if (obj == null) |
42 | { | |
43 | 0 | throw new IllegalArgumentException("Cannot store null object."); |
44 | } | |
45 | 1040 | Object id = getId(obj); |
46 | 1040 | map.put(id, obj); |
47 | 1040 | return id; |
48 | } | |
49 | ||
50 | /* | |
51 | * (non-Javadoc) | |
52 | * | |
53 | * @see org.mule.transaction.xa.queue.QueuePersistenceStrategy#load(java.lang.Object) | |
54 | */ | |
55 | public Object load(String queue, Object id) throws IOException | |
56 | { | |
57 | 1040 | return map.get(id); |
58 | } | |
59 | ||
60 | /* | |
61 | * (non-Javadoc) | |
62 | * | |
63 | * @see org.mule.transaction.xa.queue.QueuePersistenceStrategy#remove(java.lang.Object) | |
64 | */ | |
65 | public void remove(String queue, Object id) throws IOException | |
66 | { | |
67 | 1040 | map.remove(id); |
68 | 1040 | } |
69 | ||
70 | /* | |
71 | * (non-Javadoc) | |
72 | * | |
73 | * @see org.mule.transaction.xa.queue.QueuePersistenceStrategy#restore() | |
74 | */ | |
75 | public List restore() throws IOException | |
76 | { | |
77 | 18 | return new ArrayList(); |
78 | } | |
79 | ||
80 | /* | |
81 | * (non-Javadoc) | |
82 | * | |
83 | * @see org.mule.transaction.xa.queue.QueuePersistenceStrategy#open() | |
84 | */ | |
85 | public void open() throws IOException | |
86 | { | |
87 | // nothing to do | |
88 | 18 | } |
89 | ||
90 | /* | |
91 | * (non-Javadoc) | |
92 | * | |
93 | * @see org.mule.transaction.xa.queue.QueuePersistenceStrategy#close() | |
94 | */ | |
95 | public void close() throws IOException | |
96 | { | |
97 | // nothing to do | |
98 | 18 | } |
99 | ||
100 | public boolean isTransient() | |
101 | { | |
102 | 0 | return true; |
103 | } | |
104 | } |