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1
11
12 package org.eclipse.ui.internal.gestures;
13
14 public final class Point implements Comparable  {
15
16 private final static int HASH_FACTOR = 89;
17 private final static int HASH_INITIAL = Point.class.getName().hashCode();
18
19 private transient int hashCode;
20 private transient boolean hashCodeComputed;
21 private transient String string;
22
23 private int x;
24 private int y;
25
26 public Point(int x, int y) {
27 this.x = x;
28 this.y = y;
29 }
30
31 public int compareTo(Object object) {
32 Point castedObject = (Point) object;
33 int compareTo = x - castedObject.x;
34
35 if (compareTo == 0)
36 compareTo = y - castedObject.y;
37
38 return compareTo;
39 }
40
41 public boolean equals(Object object) {
42 if (!(object instanceof Point))
43 return false;
44
45 Point castedObject = (Point) object;
46 boolean equals = true;
47 equals &= x == castedObject.x;
48 equals &= y == castedObject.y;
49 return equals;
50 }
51
52 public int getX() {
53 return x;
54 }
55
56 public int getY() {
57 return y;
58 }
59
60 public int hashCode() {
61 if (!hashCodeComputed) {
62 hashCode = HASH_INITIAL;
63 hashCode = hashCode * HASH_FACTOR + x;
64 hashCode = hashCode * HASH_FACTOR + y;
65 hashCodeComputed = true;
66 }
67
68 return hashCode;
69 }
70
71 public String toString() {
72 if (string == null) {
73 final StringBuffer stringBuffer = new StringBuffer ();
74 stringBuffer.append('[');
75 stringBuffer.append(x);
76 stringBuffer.append(',');
77 stringBuffer.append(y);
78 stringBuffer.append(']');
79 string = stringBuffer.toString();
80 }
81
82 return string;
83 }
84 }
85 |
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