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1
8 package transport.packet;
9
10 import java.io.Serializable  ;
11 import java.util.HashMap ;
12 import java.util.Map ;
13
14
17 public class Enum implements Serializable
18 {
19 private static final Map byName = new HashMap ();
20 private static final Map byValue = new HashMap ();
21
22 private String name;
23 private Integer value;
24
25 public Enum(String n, int v)
26 {
27 super();
28 name = n;
29 value = new Integer (v);
30
31 if (byName.containsKey(name))
32 {
33 throw new DuplicateEnumException(name);
34 }
35 if (byValue.containsKey(value))
36 {
37 throw new DuplicateEnumException(value.toString());
38 }
39 byName.put(name,this);
40 byValue.put(value,this);
41 }
42
43 public String getName()
44 {
45 return name;
46 }
47
48 public int getValue()
49 {
50 return value.intValue();
51 }
52
53 public static Enum getByValue(int i)
54 {
55 return (Enum ) byValue.get(new Integer (i));
56 }
57
58 public static Enum getByName(String n)
59 {
60 return (Enum ) byName.get(n);
61 }
62
63 public boolean equals(Object o)
64 {
65 if (! (o instanceof Enum ))
66 {
67 return false;
68 }
69 Enum e = (Enum ) o;
70 return e.name.equals(name) && e.value.equals(value);
71 }
72
73 public int hashCode()
74 {
75 return (name + value.toString()).hashCode();
76 }
77 }
78 |
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