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1 package com.daffodilwoods.daffodildb.server.sql99.expression.numericvalueexpression;
2
3 import java.math.*;
4
5 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.*;
6 import com.daffodilwoods.daffodildb.server.serversystem.*;
7 import com.daffodilwoods.daffodildb.server.sql99.common.*;
8 import com.daffodilwoods.daffodildb.server.sql99.expression.rowvalueexpression.*;
9 import com.daffodilwoods.daffodildb.server.sql99.token.*;
10 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
11 import com.daffodilwoods.daffodildb.utils.*;
12 import com.daffodilwoods.daffodildb.utils.field.*;
13 import com.daffodilwoods.database.resource.*;
14
15 public class signfunction extends AbstractNumericValueFunction {
16
17 public parennumericvalueexpression _parennumericvalueexpression0;
18 public SNONRESERVEDWORD136444255 _SNONRESERVEDWORD1364442551;
19
20 protected Object  getResult(int type, Object object) throws DException {
21 if (object == null) {
22 return new FieldLiteral(FieldUtility.NULLBUFFERRANGE, Datatype.INTEGER);
23 }
24 switch (type) {
25 case BYTE:
26 case TINYINT:
27 Byte byteV = (Byte ) object;
28 byte bytevalue = byteV.byteValue();
29 return bytevalue > 0 ? FieldUtility.Int1 : bytevalue < 0 ?
30 FieldUtility.Int_1 : FieldUtility.Int0;
31 case INTEGER:
32 case INT:
33 Integer integer = (Integer ) object;
34 int value = integer.intValue();
35 return value > 0 ? FieldUtility.Int1 : value < 0 ?
36 FieldUtility.Int_1 : FieldUtility.Int0;
37 case REAL:
38 Float floatV = (Float ) object;
39 float value1 = floatV.floatValue();
40 return value1 > 0 ? FieldUtility.Int1 : value1 < 0 ?
41 FieldUtility.Int_1 : FieldUtility.Int0;
42
43 case DOUBLE:
44 case FLOAT:
45 case DOUBLEPRECISION:
46 Double doubleV = (Double ) object;
47 double value2 = doubleV.doubleValue();
48 return value2 > 0 ? FieldUtility.Int1 : value2 < 0 ?
49 FieldUtility.Int_1 : FieldUtility.Int0;
50
51 case LONG:
52 case BIGINT:
53 Long longV = (Long ) object;
54 long value3 = longV.longValue();
55 return value3 > 0 ? FieldUtility.Int1 : value3 < 0 ?
56 FieldUtility.Int_1 : FieldUtility.Int0;
57
58 case SHORT:
59 case SMALLINT:
60 Short shortV = (Short ) object;
61 short value4 = shortV.shortValue();
62 return value4 > 0 ? FieldUtility.Int1 : value4 < 0 ?
63 FieldUtility.Int_1 : FieldUtility.Int0;
64 case BIGDECIMAL:
65 case DEC:
66 case DECIMAL:
67 case NUMERIC:
68 BigDecimal bigDecimal = (BigDecimal) object;
69 double value5 = bigDecimal.doubleValue();
70 return value5 > 0 ? FieldUtility.Int1 : value5 < 0 ?
71 FieldUtility.Int_1 : FieldUtility.Int0;
72 default:
73 throw new DException("DSE4108", new Object [] {StaticClass.getDataTypeName(type), "SIGN"});
74 }
75 }
76
77 public AbstractRowValueExpression[] getChilds() {
78 AbstractRowValueExpression[] childs = new AbstractRowValueExpression[] { (AbstractRowValueExpression) _parennumericvalueexpression0};
79 return childs;
80 }
81
82 public String getType() throws DException {
83 return (String ) _SNONRESERVEDWORD1364442551.run(null);
84 }
85
86 public String toString() {
87 StringBuffer sb = new StringBuffer ();
88 sb.append(" ");
89 sb.append(_SNONRESERVEDWORD1364442551);
90 sb.append(_parennumericvalueexpression0);
91 return sb.toString();
92 }
93
94 public Object clone() throws CloneNotSupportedException {
95 signfunction tempClass = new signfunction();
96 tempClass._parennumericvalueexpression0 = (parennumericvalueexpression) _parennumericvalueexpression0.clone();
97 tempClass._SNONRESERVEDWORD1364442551 = (SNONRESERVEDWORD136444255) _SNONRESERVEDWORD1364442551.clone();
98 return tempClass;
99 }
100
101 public ParameterInfo[] getParameterInfo() throws DException {
102 ParameterInfo[] paramInfo = super.getParameterInfo();
103 for (int i = 0; i < paramInfo.length; i++) {
104 if (paramInfo[i].getQuestionMark()) {
105 paramInfo[i].setDataType(Datatypes.BIGDECIMAL);
106 paramInfo[i].setName("SIGN Arg");
107 }
108 }
109 return paramInfo;
110 }
111
112 public ByteComparison getByteComparison(Object object) throws DException {
113 ByteComparison byteComparison = new ByteComparison(false, new int[] {INTEGER});
114 byteComparison.setSize(getColumnSize(object));
115 return byteComparison;
116 }
117
118 public _Reference[] checkSemantic(_ServerSession parent) throws DException {
119 _Reference[] ref = super.checkSemantic(parent);
120 if(ref!=null) {
121 return ref;
122 }
123 int type = _parennumericvalueexpression0.getByteComparison(parent).getDataTypes()[0];
124 if (type == -1 || type <= 15) {
125 return ref;
126 }
127 throw new DException("DSE4108", new Object [] {StaticClass.getDataTypeName(type), "SIGN"});
128 }
129
130 public int getColumnSize(Object object) throws DException {
131 return Datatypes.INTSIZE;
132 }
133
134 }
135 |
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