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1
6 package javax.jdo;
7
8 import java.util.StringTokenizer  ;
9
10
13 public class ShortIdentity extends SingleFieldIdentity {
14
15 public ShortIdentity(Class pcClass, Short key) {
16 super(pcClass);
17 if (key == null) {
18 throw new NullPointerException (
19 "key value passed to ShortIdentity is null");
20 } else {
21 this.key = key.shortValue();
22 return;
23 }
24 }
25
26 public ShortIdentity(Class pcClass, short key) {
27 super(pcClass);
28 this.key = key;
29 }
30
31 public ShortIdentity(Class pcClass, String key) {
32 super(pcClass);
33 if (key == null) {
34 throw new NullPointerException (
35 "key value passed to ShortIdentity is null");
36 } else {
37 StringTokenizer token = new StringTokenizer (key, "::");
38 this.key = (new Short (token.nextToken())).shortValue();
39 return;
40 }
41 }
42
43 public short getKey() {
44 return key;
45 }
46
47 public int hashCode() {
48 return (new Short (key)).hashCode() ^ targetClassName.hashCode();
49 }
50
51 public boolean equals(Object obj) {
52 if (obj == this)
53 return true;
54 if (!(obj instanceof ShortIdentity)) {
55 return false;
56 } else {
57 ShortIdentity other = (ShortIdentity) obj;
58 return key == other.key
59 && targetClassName.equals(other.targetClassName);
60 }
61 }
62
63 public String toString() {
64 return "" + key + "::" + targetClassName;
65 }
66
67 private final short key;
68 } |
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