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1
10
11 package com.triactive.jdo.store;
12
13 import com.triactive.jdo.util.SQLFormat;
14 import java.math.BigDecimal  ;
15
16
17 class FloatingPointLiteral extends NumericExpression
18 {
19 private final BigDecimal value;
20
21 public FloatingPointLiteral(QueryStatement qs, Float value)
22 {
23 super(qs);
24
25 this.value = new BigDecimal (value.toString());
26
27 DatabaseAdapter dba = qs.getStoreManager().getDatabaseAdapter();
28 st.appendParameter((ColumnMapping)dba.getMapping(Float .class), value);
29 }
30
31 public FloatingPointLiteral(QueryStatement qs, Double value)
32 {
33 super(qs);
34
35 this.value = new BigDecimal (value.toString());
36
37 DatabaseAdapter dba = qs.getStoreManager().getDatabaseAdapter();
38 st.appendParameter((ColumnMapping)dba.getMapping(Double .class), value);
39 }
40
41 public FloatingPointLiteral(QueryStatement qs, BigDecimal value)
42 {
43 super(qs);
44
45 this.value = value;
46 st.append(SQLFormat.format(value));
47 }
48
49 public BooleanExpression eq(SQLExpression expr)
50 {
51 if (expr instanceof FloatingPointLiteral)
52 return new BooleanLiteral(qs, value.compareTo(((FloatingPointLiteral)expr).value) == 0);
53 else
54 return super.eq(expr);
55 }
56
57 public BooleanExpression noteq(SQLExpression expr)
58 {
59 if (expr instanceof FloatingPointLiteral)
60 return new BooleanLiteral(qs, value.compareTo(((FloatingPointLiteral)expr).value) != 0);
61 else
62 return super.noteq(expr);
63 }
64
65 public BooleanExpression lt(SQLExpression expr)
66 {
67 if (expr instanceof FloatingPointLiteral)
68 return new BooleanLiteral(qs, value.compareTo(((FloatingPointLiteral)expr).value) < 0);
69 else
70 return super.lt(expr);
71 }
72
73 public BooleanExpression lteq(SQLExpression expr)
74 {
75 if (expr instanceof FloatingPointLiteral)
76 return new BooleanLiteral(qs, value.compareTo(((FloatingPointLiteral)expr).value) <= 0);
77 else
78 return super.lteq(expr);
79 }
80
81 public BooleanExpression gt(SQLExpression expr)
82 {
83 if (expr instanceof FloatingPointLiteral)
84 return new BooleanLiteral(qs, value.compareTo(((FloatingPointLiteral)expr).value) > 0);
85 else
86 return super.gt(expr);
87 }
88
89 public BooleanExpression gteq(SQLExpression expr)
90 {
91 if (expr instanceof FloatingPointLiteral)
92 return new BooleanLiteral(qs, value.compareTo(((FloatingPointLiteral)expr).value) >= 0);
93 else
94 return super.gteq(expr);
95 }
96
97 public SQLExpression add(SQLExpression expr)
98 {
99 if (expr instanceof FloatingPointLiteral)
100 return new FloatingPointLiteral(qs, value.add(((FloatingPointLiteral)expr).value));
101 else
102 return super.add(expr);
103 }
104
105 public SQLExpression sub(SQLExpression expr)
106 {
107 if (expr instanceof FloatingPointLiteral)
108 return new FloatingPointLiteral(qs, value.subtract(((FloatingPointLiteral)expr).value));
109 else
110 return super.sub(expr);
111 }
112
113 public SQLExpression mul(SQLExpression expr)
114 {
115 if (expr instanceof FloatingPointLiteral)
116 return new FloatingPointLiteral(qs, value.multiply(((FloatingPointLiteral)expr).value));
117 else
118 return super.mul(expr);
119 }
120
121 public SQLExpression div(SQLExpression expr)
122 {
123 if (expr instanceof FloatingPointLiteral)
124 return new FloatingPointLiteral(qs, value.divide(((FloatingPointLiteral)expr).value, BigDecimal.ROUND_DOWN));
125 else
126 return super.mul(expr);
127 }
128
129 public SQLExpression neg()
130 {
131 return new FloatingPointLiteral(qs, value.negate());
132 }
133 }
134 |
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