|
1 package com.daffodilwoods.daffodildb.server.sql99.token;
2
3 import java.math.*;
4
5 import com.daffodilwoods.daffodildb.server.sql99.common.*;
6 import com.daffodilwoods.daffodildb.server.sql99.expression.*;
7 import com.daffodilwoods.daffodildb.server.sql99.expression.booleanvalueexpression.*;
8 import com.daffodilwoods.daffodildb.server.sql99.expression.rowvalueexpression.*;
9 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
10 import com.daffodilwoods.daffodildb.utils.byteconverter.*;
11 import com.daffodilwoods.daffodildb.utils.field.*;
12 import com.daffodilwoods.database.resource.*;
13
14 public class unsignedintegermultiplier extends AbstractValueExpression implements com.daffodilwoods.daffodildb.utils.parser.StatementExecuter, largeobjectlength, exactnumericliteral, Datatypes {
15 public multiplier _multiplier0;
16 public unsignedinteger _unsignedinteger1;
17
18 private ColumnDetails cd;
19 private BigDecimal identifier;
20 private byte[] returningBytes = null;
21 private FieldBase fieldBase;
22
23 public int getCardinality() throws DException {
24 return 1;
25 }
26
27 public Object  run(Object object) throws com.daffodilwoods.database.resource.DException {
28 ColumnDetails cd = getColumnDetails()[0];
29 if (fieldBase == null) {
30 fieldBase = new FieldLiteral(cd.getObject().toString(), -1);
31 }
32 return fieldBase;
33 }
34
35 private int getMultiplierPart() throws com.daffodilwoods.database.resource.DException {
36 String str = ( (String ) _multiplier0.run(null)).trim();
37 int hashCOde = str.hashCode();
38 switch (hashCOde) {
39 case 75:
40 case 107:
41 return 1024; case 77:
43 case 109:
44 return 1048576; case 71:
46 case 103:
47 return 1073741824; }
49 throw new DException("DSE412", new Object [] {str});
50 }
51
52 public ColumnDetails[] getColumnDetails() throws DException {
53 cd = new ColumnDetails();
54 cd.setType(CONSTANT);
55 Object ob = ( (FieldBase) _unsignedinteger1.run(null)).getObject();
56 java.math.BigDecimal number = new BigDecimal("" + ob);
57 number = number.multiply(new BigDecimal("" + getMultiplierPart()));
58 cd.setColumnName(new String [] {number.toString()});
59 cd.setObject(number);
60 return new ColumnDetails[] {cd};
61 }
62
63 public Object [] getParameters(Object object) throws DException {
64 return null;
65 }
66
67 public int getType() {
68 return OTHERS;
69 }
70
71 private byte[] getAppropriateBytes() throws DException {
72 int datatype = cd.getDatatype();
73 switch (datatype) {
74 case INT:
75 return CCzufDpowfsufs.getBytes(new Integer (identifier.intValue()));
76 case TINYINT:
77 return CCzufDpowfsufs.getBytes(new Integer (identifier.intValue()));
78 case INTEGER:
79 return CCzufDpowfsufs.getBytes(new Integer (identifier.intValue()));
80 case LONG:
81 return CCzufDpowfsufs.getBytes(new Long (identifier.longValue()));
82 case SHORT:
83 return CCzufDpowfsufs.getBytes(new Short (identifier.shortValue()));
84 case SMALLINT:
85 return CCzufDpowfsufs.getBytes(new Short (identifier.shortValue()));
86 case BYTE:
87 return new byte[] {identifier.byteValue()};
88 case FLOAT:
89 return CCzufDpowfsufs.getBytes(new Float (identifier.floatValue()));
90 case DOUBLE:
91 return CCzufDpowfsufs.getBytes(new Double (identifier.doubleValue()));
92 case BIGDECIMAL:
93 return CCzufDpowfsufs.getBytes(identifier);
94 default:
95 throw new DException("DSE514", new Object [] {new Integer (datatype)});
96 }
97 }
98
99 public AbstractRowValueExpression[] getChilds() {
100 AbstractRowValueExpression[] childs = new AbstractRowValueExpression[] {};
101 return childs;
102 }
103
104 public String toString() {
105 StringBuffer sb = new StringBuffer ();
106 sb.append(" ");
107 sb.append(_unsignedinteger1);
108 sb.append(" ");
109 sb.append(_multiplier0);
110 return sb.toString();
111 }
112
113 public Object clone() throws CloneNotSupportedException {
114 unsignedintegermultiplier tempClass = new unsignedintegermultiplier();
115 tempClass._multiplier0 = (multiplier) _multiplier0.clone();
116 tempClass._unsignedinteger1 = (unsignedinteger) _unsignedinteger1.clone();
117 return tempClass;
118 }
119
120 public ParameterInfo[] getParameterInfo() throws DException {
121 ParameterInfo parameterInfo = new ParameterInfo();
122 parameterInfo.setDataType(cd.getDatatype());
123 return new ParameterInfo[] {parameterInfo};
124 }
125
126 public ByteComparison getByteComparison(Object object) throws DException {
127 return new ByteComparison(true, new int[] {cd.getDatatype()});
128 }
129
130 public void releaseResource() throws DException {
131 }
132 }
133 |
Popular Tags |
Java API By Example, From Geeks To Geeks.