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1 package com.daffodilwoods.daffodildb.server.sessionsystem;
2
3 import com.daffodilwoods.daffodildb.server.sql99.dql.iterator._Iterator;
4 import com.daffodilwoods.database.resource.DException;
5 import com.daffodilwoods.daffodildb.server.sql99.utils._Reference;
6 import com.daffodilwoods.daffodildb.server.serversystem._ServerSession;
7 import com.daffodilwoods.daffodildb.utils.field.FieldBase;
8 import com.daffodilwoods.daffodildb.server.sql99.utils._VariableValues;
9 import com.daffodilwoods.daffodildb.server.datasystem.utility._Record;
10 import java.lang.ref.WeakReference  ;
11
12 public class RecordVariableValues implements _VariableValues {
13
14 WeakReference serverSession;
15 _Reference[] references;
16 Object [] values;
17 _Record record;
18
19 public RecordVariableValues(WeakReference serverSession0, _Record record0, _Reference[] refs0, Object [] values0) {
20 serverSession = serverSession0;
21 references = refs0;
22 values = values0;
23 record = record0;
24 }
25
26 public Object getColumnValues(_Reference[] referenceArray) throws DException {
27 Object [] retValues = new Object [referenceArray.length];
28 for (int i = 0; i < referenceArray.length; i++) {
29 retValues[i] = getColumnValues(referenceArray[i] );
30 }
31 return retValues;
32 }
33
34 private Object setReferenceValue(_Reference reference) {
35 if(references != null)
36 for (int i = 0; i < references.length; i++) {
37 if(references[i] == reference)
38 return values[i];
39 }
40 return null;
41 }
42
43 public void setIterator(_Iterator _Iterator){
44 throw new UnsupportedOperationException ();
45 }
46
47 public void setConditionVariableValue(_Reference[] references , Object [] values, int priority) throws DException{
48 throw new UnsupportedOperationException ();
49 }
50
51 public Object getColumnValues(_Reference reference) throws DException {
52 Object val = setReferenceValue(reference);
53 if(val != null)
54 return val;
55 try {
56 return record.getObject( null, reference.getIndex() );
57 }catch (DException ex) {
58 return record.getObject( null, reference.getColumn());
59 }
60 }
61
62 public void addReferences(_Reference[] reference) throws DException {
63
64 throw new java.lang.UnsupportedOperationException ("Method addReferences() not yet implemented.");
65 }
66
67 public Object [][] getReferenceAndValuePair() throws DException {
68 throw new java.lang.UnsupportedOperationException ("Method getReferences() not yet implemented.");
69 }
70 public _ServerSession getServerSession() throws DException {
71 return (_ServerSession) serverSession.get();
72 }
73 public void releaseResource() throws DException {
74
75 throw new java.lang.UnsupportedOperationException ("Method releaseResource() not yet implemented.");
76 }
77 public FieldBase field(_Reference reference) throws DException {
78 return (FieldBase) getColumnValues(reference);
79 }
80
81 public boolean checkReferences(_Reference[] refs) {
82 for (int i = 0; i < refs.length; i++) {
83 if(!refs[i].equals(references[i]))
84 return false;
85 }
86 return true;
87 }
88 }
89 |
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