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1
4 package com.tc.util;
5
6 import java.util.Arrays  ;
7
8
11 public class CompositeIdentifier {
12
13 private final AbstractIdentifier[] components;
14 private final int hashCode;
15
16 public CompositeIdentifier(AbstractIdentifier[] components) {
17 Assert.assertNoNullElements(components);
18 this.components = components;
19 this.hashCode = makeHashCode(components);
20 }
21
22 private int makeHashCode(AbstractIdentifier[] ids) {
23 int rv = 17;
24 for (int i = 0; i < ids.length; i++) {
25 rv += (37 * rv) + ids[i].hashCode();
26 }
27 return rv;
28 }
29
30 public boolean contains(AbstractIdentifier id) {
31 for (int i = 0; i < components.length; i++) {
32 if (components[i].equals(id)) {
33 return true;
34 }
35 }
36 return false;
37 }
38
39 public int hashCode() {
40 return this.hashCode;
41 }
42
43 public boolean equals(Object obj) {
44 if (obj instanceof CompositeIdentifier) {
45 CompositeIdentifier other = (CompositeIdentifier) obj;
46 return Arrays.equals(this.components, other.components);
47 }
48
49 return false;
50 }
51
52 public String toString() {
53 StringBuffer buf = new StringBuffer ();
54 for (int i = 0; i < components.length; i++) {
55 buf.append(components[i].toString());
56 if (i != components.length - 1) {
57 buf.append(',');
58 }
59 }
60
61 return buf.toString();
62 }
63
64 public AbstractIdentifier[] getComponents() {
65 return components;
66 }
67 }
68 |
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