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1
24 package org.objectweb.jalisto.se.impl.cache;
25
26 import java.lang.ref.ReferenceQueue  ;
27 import java.lang.ref.WeakReference ;
28
29 public class WeakCacheCell extends WeakReference {
30
31 private WeakCacheCell(Object id, Object object, ReferenceQueue referenceQueue) {
32 super(object, referenceQueue);
33 this.id = id;
34 }
35
36 public void setId(Object id) {
37 this.id = id;
38 }
39
40 public Object getId() {
41 return id;
42 }
43
44 public void setPrecedingCell(WeakCacheCell cell) {
45 precedingCell = cell;
46 }
47
48 public WeakCacheCell getPrecedingCell() {
49 return precedingCell;
50 }
51
52 public void setNextCell(WeakCacheCell cell) {
53 nextCell = cell;
54 }
55
56 public WeakCacheCell getNextCell() {
57 return nextCell;
58 }
59
60 public void delink() {
61 if (nextCell != null) {
62 nextCell.setPrecedingCell(precedingCell);
63 }
64 if (precedingCell != null) {
65 precedingCell.setNextCell(nextCell);
66 }
67 nextCell = null;
68 precedingCell = null;
69 }
70
71 public int hashCode() {
72 return id.hashCode();
73 }
74
75 public static WeakCacheCell newInstance(Object id, Object object, ReferenceQueue queue) {
76 return new WeakCacheCell(id, object, queue);
77 }
78
79 public String toString() {
80 return "WCC(" + String.valueOf(get()) + ")";
81 }
82
83
84 private WeakCacheCell precedingCell;
85 private WeakCacheCell nextCell;
86 private Object id;
87 } |
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