|
1 package com.daffodilwoods.daffodildb.utils;
2
3 import com.daffodilwoods.database.resource.DException;
4 import java.text.Collator  ;
5
6 public class BufferRange implements _DComparator {
7
8 private byte[] bufferBytes;
9 private int length;
10 private int offset;
11 private boolean isNull;
12
13 public BufferRange(boolean isNull0){
14 isNull = isNull0;
15 }
16
17 public void setNull(boolean isNull0) {
18 isNull = isNull0;
19 }
20
21 public final boolean getNull() {
22 return isNull;
23 }
24
25
26 public BufferRange(byte[] bytes,int offset0,int length0) {
27 bufferBytes = bytes;
28 length = length0;
29 offset = offset0;
30 if(offset > bufferBytes.length)
31 new Exception (" OFFSET "+offset+" BYTES LENGTH "+bufferBytes.length + " LENGTH "+length).printStackTrace();
32 }
33
34 public BufferRange(byte[] bytes) {
35 bufferBytes = bytes;
36 isNull = bufferBytes == null;
37 length = bytes == null ? 0 : bytes.length;
38 }
39
40 public final byte getByte(int index){
41 return bufferBytes[offset+index];
42 }
43
44 public int getLength() {
45 return length;
46 }
47
48 public byte[] getBytes(){
49 if(offset == 0 && length == bufferBytes.length)
50 return bufferBytes;
51 byte[] result = new byte[length];
52 System.arraycopy(bufferBytes,offset,result,0,length);
53 return result;
54 }
55
56 public byte[] getFulBytes(){
57 return bufferBytes;
58 }
59
60 public int getOffSet(){
61 return offset;
62 }
63
64 public void setOffSet(int offset0) {
65 offset = offset0;
66 }
67
68 public String toString(){
69 return "NULL IS " + isNull;
70 }
71 }
72 |
Popular Tags |
Java API By Example, From Geeks To Geeks.