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1
48
49 package org.exolab.jms.message;
50
51 import java.io.Externalizable  ;
52 import java.io.IOException ;
53 import java.io.ObjectInput ;
54 import java.io.ObjectOutput ;
55 import java.util.Date ;
56
57
63 public class Timestamp extends Date implements Externalizable {
64
65 static final long serialVersionUID = 1;
67
68 public Timestamp() {
69 super();
70 }
71
72 public Timestamp(long datetime) {
74 super(datetime);
75 }
76
77 public void writeExternal(ObjectOutput out) throws IOException {
79 out.writeLong(serialVersionUID);
80 out.writeLong(getTime());
81 }
82
83 public void readExternal(ObjectInput in)
85 throws IOException , ClassNotFoundException {
86 long version = in.readLong();
87 long timestamp;
88 if (version == serialVersionUID) {
89 timestamp = in.readLong();
90 setTime(timestamp);
91 } else {
92 throw new IOException ("Incorrect version enountered: " +
93 version + " This version = " +
94 serialVersionUID);
95 }
96 }
97
98 public long toLong() {
100 return getTime();
101 }
102
103 public void setNow() {
105 setTime(System.currentTimeMillis());
106 }
107 }
108
109
110
111 |
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