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1 package com.daffodilwoods.daffodildb.utils.field;
2
3 import java.util.*;
4 import com.daffodilwoods.daffodildb.server.sql99.common.Datatypes;
5 import com.daffodilwoods.database.resource.DException;
6 import com.daffodilwoods.daffodildb.utils.BufferRange;
7 import com.daffodilwoods.daffodildb.server.datasystem.persistentsystem.TableKey;
8 import com.daffodilwoods.database.utility.P;
9
10 public class FieldTableKey extends FieldBase implements Datatypes,Comparable  {
11
12 public FieldTableKey(BufferRange bufferRange0,int datatype0) {
13 super(bufferRange0,datatype0);
14 }
15
16 public Object getObject() throws DException{
17 if(bufferRange.getNull())
18 return null;
19 int add = getIntValue(bufferRange,0);
20 short rec = getShortValue(bufferRange,4);
21 if(rec == 0)
22 ; return new TableKey(add,rec);
24 }
25
26 private long getLongValue(BufferRange buff,int position)throws DException{
27 long a=0;
28 for(int i=position,k=position+8,j=56;i < k; i++,j-=8)
29 a += ((long)buff.getByte(i) & 0xFF) << j;
30 return a;
31 }
32
33 private int getIntValue(BufferRange buff,int position){
34
35 int a=0;
36 for(int i=position,k=position+4,j=24;i < k; i++,j-=8)
37 a += ((short)buff.getByte(i) & 0xFF) << j;
38 return a;
39
40 }
41
42 public final static short getShortValue(BufferRange bytes,int position)throws DException{
43 short a=0;
44 for(int i=position,k=position+2,j=8;i < k; i++,j-=8)
45 a += ((short)bytes.getByte(i) & 0xFF) << j;
46 return a;
47 }
48
49 public boolean equals(Object fieldBase){
50 throw new java.lang.UnsupportedOperationException ("Method not yet implemented.");
51 }
52
53 public int compareTo(Object fieldBase){
54 throw new java.lang.UnsupportedOperationException ("Method not yet implemented.");
55 }
56
57
58 }
59 |
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