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1
21 package com.db4o.nativequery.expr.cmp;
22
23
24 public class ConstValue implements ComparisonOperand {
25 private Object  _value;
26
27 public ConstValue(Object value) {
28 this._value=value;
29 }
30
31 public Object value() {
32 return _value;
33 }
34
35 public void value(Object value) {
36 _value = value;
37 }
38
39 public String toString() {
40 if (_value == null) return "null";
41 if (_value instanceof String ) return "\"" + _value + "\"";
42 return _value.toString();
43 }
44
45 public boolean equals(Object other) {
46 if (this == other) {
47 return true;
48 }
49 if (other==null || getClass() != other.getClass()) {
50 return false;
51 }
52 Object otherValue = ((ConstValue) other)._value;
53 if (otherValue == _value) {
54 return true;
55 }
56 if (otherValue == null || _value == null) {
57 return false;
58 }
59 return _value.equals(otherValue);
60 }
61
62 public int hashCode() {
63 return _value.hashCode();
64 }
65
66 public void accept(ComparisonOperandVisitor visitor) {
67 visitor.visit(this);
68 }
69 }
70 |
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