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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
56 import javax.jms.JMSException ;
57
58
59
65 public class Priority implements Externalizable {
66
67 static final long serialVersionUID = 1;
69
70 private int priority_ = 0;
71
72 public Priority() {
73
74 }
75
76 public Priority(int priority) throws JMSException {
77 if (priority >= 0 && priority < 10) {
78 priority_ = priority;
79 } else {
80 throw new JMSException ("Invalid priority");
81 }
82 }
83
84
85 public void writeExternal(ObjectOutput out) throws IOException {
87 out.writeLong(serialVersionUID);
88 out.writeInt(priority_);
89 }
90
91
92 public void readExternal(ObjectInput in)
94 throws IOException , ClassNotFoundException {
95 long version = in.readLong();
96 if (version == serialVersionUID) {
97 priority_ = in.readInt();
98 } else {
99 throw new IOException ("Incorrect version enountered: " +
100 version + " This version = " +
101 serialVersionUID);
102 }
103 }
104
105
106 public int getPriority() {
107 return priority_;
108 }
109
110 public boolean isExpedited() {
112 return (priority_ >= 5 ? true : false);
113 }
114
115 public boolean isGreater(Priority toCompare) {
117 return (priority_ > toCompare.priority_);
118 }
119
120 public boolean isEqual(Priority toCompare) {
122 return (priority_ == toCompare.priority_);
123 }
124 }
125
126 |
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