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1 package com.daffodilwoods.daffodildb.server.sessionsystem.sessionversioninfo;
2
3 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.Utility;
4 import com.daffodilwoods.daffodildb.server.sql99.dql.iterator._Iterator;
5 import com.daffodilwoods.database.resource.DException;
6 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._IndexIterator;
7 import com.daffodilwoods.daffodildb.utils.comparator.SuperComparator;
8 import com.daffodilwoods.database.general.SystemFields;
9 import com.daffodilwoods.daffodildb.server.datadictionarysystem.IndexInformation;
10 import com.daffodilwoods.daffodildb.server.datasystem.indexsystem._IndexInformation;
11
12 public class SessionVersionHandler3_2
13 extends SessionVersionHandler {
14 public SessionVersionHandler3_2() {
15 }
16
17 public boolean recordFound(_Iterator iterator, Object  [] key) throws
18 DException {
19 return Utility.recordFound(iterator, key);
20 }
21
22 public boolean recordFound(_Iterator iterator, Object actualKey, Object [] key) throws
23 DException {
24 return Utility.findRecord(iterator, actualKey, key);
25 }
26
27 public boolean recordFound(_IndexIterator iterator,_IndexIterator keyIterator, Object actualKey, SuperComparator comparator) throws DException{
28 return Utility.recordFound(iterator,keyIterator,actualKey, comparator);
29 }
30
31 public Object getDefaultKey(Object kee) throws DException{
32 try {
33 if(!(kee instanceof Object []))
34 return kee;
35 Object [] key = (Object [])kee;
36 return key[key.length-1];
37 }
38 catch (Exception ex) {
39 throw new DException("DSE0",new Object [] {ex.getMessage()});
40 }
41 }
42
43 public void update(_IndexInformation iinf) throws DException {
44 if(!iinf.isUpdated()){
45 int size = iinf.getColumns().length;
46 int len = size + 1;
47 String [] names = new String [len];
48 int [] indexes = new int[len];
49 boolean [] types = new boolean[len];
50 System.arraycopy(iinf.getColumns(),0,names,0,size);
51 System.arraycopy(iinf.getColumnIndexes(),0,indexes,0,size);
52 System.arraycopy(iinf.getOrderOfColumns(),0,types,0,size);
53 names[size] = SystemFields.systemFields[SystemFields.rowId];
54 indexes[size] = SystemFields.rowId;
55 types[size] = true;
56 iinf.setColumnNames(names);
57 iinf.setColumnIndexes(indexes);
58 iinf.setOrderOfColumns(types);
59 iinf.setIsUpdatedFlag(true);
60
61 }
62 }
63 public boolean hasOnlyRowidAsColumnIndex(){
64 return true;
65 }
66
67 public boolean seek(_Iterator iterator,Object key) throws DException{
68 return iterator.seek(new Object []{key});
69 }
70
71 }
72 |
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