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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 FieldByte extends FieldBase implements Datatypes,Comparable  {
9
10 public FieldByte(BufferRange bufferRange0,int datatype0) {
11 bufferRange = bufferRange0;
12 datatype = datatype0;
13 }
14
15 public Object getObject() throws DException{
16 if(bufferRange.getNull())
17 return null;
18 if(object!=null)
19 return object;
20 object=new Byte (bufferRange.getByte(0));
21 return object;
22 }
23 public boolean equals(Object fieldBase){
24 try {
25 return (getDatatype() != ((FieldBase)fieldBase).getDatatype()) ? false :
26 GetByteComparator.oneByteComparator.compare(this,fieldBase) == 0 ;
27 }
28 catch (DException ex) {
29 return false;
30 }
31 }
32
33 public int compareTo(Object fieldBase){
34 try {
35 return GetByteComparator.oneByteComparator.compare(this,fieldBase) ;
36 }
37 catch (DException ex) {
38 return -1;
39 }
40 }
41
42
43 }
44 |
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