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1 package com.daffodilwoods.daffodildb.utils.field;
2
3 import com.daffodilwoods.daffodildb.server.sql99.common.Datatypes;
4 import com.daffodilwoods.database.resource.DException;
5 import com.daffodilwoods.daffodildb.utils.BufferRange;
6 import com.daffodilwoods.daffodildb.utils.GetByteComparator;
7
8 public class FieldReal
9 extends FieldBase
10 implements Datatypes, Comparable  {
11
12 public FieldReal(BufferRange bufferRange0, int datatype0) {
13 bufferRange = bufferRange0;
14 datatype = datatype0;
15 }
16
17 public Object getObject() throws DException {
18 if (bufferRange.getNull())
19 return null;
20 if (object != null)
21 return object;
22 int a = 0;
23 for (int i = 0, j = 24; i < 4; i++, j -= 8)
24 a += ( (int) bufferRange.getByte(i) & 0xFF) << j;
25 return object = new Float (Float.intBitsToFloat(a));
26 }
27
28 public boolean equals(Object fieldBase) {
29 try {
30 return (getDatatype() != ( (FieldBase) fieldBase).getDatatype()) ? false :
31 GetByteComparator.sameComparator.compare(this, fieldBase) == 0;
32 }
33 catch (DException ex) {
34 return false;
35 }
36 }
37
38 public int compareTo(Object fieldBase) {
39 try {
40 return GetByteComparator.sameComparator.compare(this, fieldBase);
41 }
42 catch (DException ex) {
43 return -1;
44 }
45 }
46 }
47 |
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