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1
6
7 package org.jfox.pool;
8
9 import java.util.HashMap  ;
10 import java.util.Map ;
11
12
15
16 public class SimpleIndexableObjectPool extends AbstractIndexableObjectPool {
17
18 private Map indexedObjects = null;
19
20 public SimpleIndexableObjectPool(ObjectFactory factory) {
21 super(factory);
22 }
23
24 public SimpleIndexableObjectPool(String objectFactoryClassName, String poolableClassName) {
25 super(objectFactoryClassName, poolableClassName);
26 }
27
28 protected void doInit() throws Exception {
29 super.doInit();
30 indexedObjects = new HashMap ();
31 }
32
33 protected void doDestroy() throws Exception {
34 super.doDestroy();
35 indexedObjects = null;
36 }
37
38 public void clear() {
39 super.clear();
40 indexedObjects.clear();
41 }
42
43 public PoolableObject retrieveObject(Object key) throws Exception {
44 if(indexedObjects.containsKey(key)) {
45 return (PoolableObject) indexedObjects.remove(key);
46 }
47 else {
48 return pool.retrieveObject();
49 }
50
51 }
52
53 public boolean restoreObject(Object key, PoolableObject obj) {
54 if(!factory.validateObject(obj)) {
55 logger.warn("PoolableObject " + obj + " is not a valid pool object in this ObjectPool");
56 return false;
57 }
58
59 if(indexedObjects.containsKey(key)) {
60 logger.warn("Key " + key + " already exists, will overwrite!");
61 }
62 indexedObjects.put(key, obj);
63 return true;
64
65 }
66
67 public boolean removeObject(Object key) {
68 if(!indexedObjects.containsKey(key)) {
69 logger.warn("Key " + key + " is not exists!");
70 return false;
71 }
72 else {
73 indexedObjects.remove(key);
74 return true;
75 }
76 }
77
78 public static void main(String [] args) {
79
80 }
81 }
82 |
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