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14 package org.jacorb.trading.constraint;
15
16
17 public class UShortValue implements Value
18 {
19 private Integer  m_value;
20
21
22 public UShortValue()
23 {
24 this(0);
25 }
26
27
28 public UShortValue(int value)
29 {
30 m_value = new Integer (value);
31 }
32
33
34 public UShortValue(Object value)
35 {
36 m_value = (Integer )value;
37 }
38
39
40 public void setValue(Object value)
41 {
42 m_value = (Integer )value;
43 }
44
45
46 public int getTypeId()
47 {
48 return ValueType.USHORT;
49 }
50
51
52 public Object getValue()
53 {
54 return m_value;
55 }
56
57
58 public boolean equals(Value nv)
59 {
60 boolean result = false;
61
62 if (nv.getTypeId() == ValueType.USHORT)
63 result = m_value.equals(nv.getValue());
64 else
65 throw new IllegalArgumentException ();
66
67 return result;
68 }
69
70
71 public boolean lessThan(Value nv)
72 {
73 boolean result = false;
74
75 if (nv.getTypeId() == ValueType.USHORT) {
76 Integer i = (Integer )nv.getValue();
77 result = (m_value.intValue() < i.intValue());
78 }
79 else
80 throw new IllegalArgumentException ();
81
82 return result;
83 }
84
85
86 public boolean lessThanEqual(Value nv)
87 {
88 return (lessThan(nv) || equals(nv));
89 }
90
91
92 public boolean greaterThan(Value nv)
93 {
94 return (! lessThan(nv) && ! equals(nv));
95 }
96
97
98 public boolean greaterThanEqual(Value nv)
99 {
100 return (! lessThan(nv));
101 }
102
103
104 public Value plus(Value nv)
105 {
106 Value result = null;
107
108 if (nv.getTypeId() == ValueType.USHORT) {
109 Integer i = (Integer )nv.getValue();
110 result = new UShortValue(m_value.intValue() + i.intValue());
111 }
112 else
113 throw new IllegalArgumentException ();
114
115 return result;
116 }
117
118
119 public Value minus(Value nv)
120 {
121 Value result = null;
122
123 if (nv.getTypeId() == ValueType.USHORT) {
124 Integer i = (Integer )nv.getValue();
125 int val = m_value.intValue() - i.intValue();
126 if (val < 0)
127 result = ValueFactory.createLong(val);
128 else
129 result = new UShortValue(val);
130 }
131 else
132 throw new IllegalArgumentException ();
133
134 return result;
135 }
136
137
138 public Value multiply(Value nv)
139 {
140 Value result = null;
141
142 if (nv.getTypeId() == ValueType.USHORT) {
143 Integer i = (Integer )nv.getValue();
144 result = ValueFactory.createULong(m_value.intValue() * i.intValue());
145 }
146 else
147 throw new IllegalArgumentException ();
148
149 return result;
150 }
151
152
153 public Value divide(Value nv)
154 {
155 Value result = null;
156
157 if (nv.getTypeId() == ValueType.USHORT) {
158 Integer i = (Integer )nv.getValue();
159 result = new UShortValue(m_value.intValue() / i.intValue());
160 }
161 else
162 throw new IllegalArgumentException ();
163
164 return result;
165 }
166
167
168 public Value negate()
169 {
170 return ValueFactory.createLong(-1 * m_value.intValue());
171 }
172
173
174 public Value convert(int typeId)
175 {
176 Value result = null;
177
178 switch (typeId) {
179 case ValueType.USHORT:
180 result = new UShortValue(m_value);
181 break;
182
183 case ValueType.LONG:
184 result = ValueFactory.createLong(m_value.intValue());
185 break;
186
187 case ValueType.ULONG:
188 result = ValueFactory.createULong(m_value.longValue());
189 break;
190
191 case ValueType.FLOAT:
192 result = ValueFactory.createFloat(m_value.floatValue());
193 break;
194
195 case ValueType.DOUBLE:
196 result = ValueFactory.createDouble(m_value.doubleValue());
197 break;
198
199 default:
200 throw new IllegalArgumentException ();
201 }
202
203 return result;
204 }
205
206
207 public String toString()
208 {
209 return m_value.toString();
210 }
211 }
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