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1
6 package javax.jdo;
7
8
11 public class CharIdentity extends SingleFieldIdentity {
12
13 public CharIdentity(Class  pcClass, Character key) {
14 super(pcClass);
15 if (key == null) {
16 throw new NullPointerException (
17 "key value passed to CharIdentity is null");
18 } else {
19 this.key = key.charValue();
20 return;
21 }
22 }
23
24 public CharIdentity(Class pcClass, char key) {
25 super(pcClass);
26 this.key = key;
27 }
28
29 public CharIdentity(Class pcClass, String key) {
30 super(pcClass);
31 if (key == null) {
32 throw new NullPointerException (
33 "key value passed to CharIdentity is null");
34 } else {
35 this.key = key.charAt(0);
36 return;
37 }
38 }
39
40 public char getKey() {
41 return key;
42 }
43
44 public int hashCode() {
45 return (new Character (key)).hashCode() ^ targetClassName.hashCode();
46 }
47
48 public boolean equals(Object obj) {
49 if (obj == this)
50 return true;
51 if (!(obj instanceof ShortIdentity)) {
52 return false;
53 } else {
54 CharIdentity other = (CharIdentity) obj;
55 return key == other.key
56 && targetClassName.equals(other.targetClassName);
57 }
58 }
59
60 public String toString() {
61 return "" + key + "::" + targetClassName;
62 }
63
64 private final char key;
65 } |
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