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1 package com.daffodilwoods.daffodildb.server.serversystem.dmlvalidation.triggersystem;
2
3 import com.daffodilwoods.daffodildb.server.datasystem.utility.*;
4 import com.daffodilwoods.daffodildb.server.sql99.dql.iterator.*;
5 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
6 import com.daffodilwoods.daffodildb.utils.field.*;
7 import com.daffodilwoods.database.resource.*;
8 import com.daffodilwoods.daffodildb.server.serversystem._ServerSession;
9 public class TriggerVariableValues extends AbstractVariableValues implements _VariableValues {
10
11 String  oldAlias;
12 String newAlias;
13 RecordVersion recordVersion;
14 _ServerSession serverSession;
15
16 public TriggerVariableValues( RecordVersion recVersion ,String oAlias , String nAlias,_ServerSession serverSession0 )throws DException {
17 recordVersion = recVersion;
18 oldAlias = oAlias;
19 newAlias = nAlias;
20 serverSession =serverSession0;
21 }
22
23 public Object getColumnValues(_Reference[] ref) throws DException {
24 Object [] val = null;
25 if( ref != null ){
26 int len = ref.length;
27 val = new Object [len];
28 for( int i=0; i<len; i++ )
29 val[i] = getColumnValues( ref[i] );
30 }
31 return val;
32 }
33
34 public Object getColumnValues(_Reference ref) throws DException {
35 Object val = null;
36 if(ref!=null){
37 String tableName = null;
38 try{
39 tableName = ref.getTriggerTableAlias();
40 } catch(IndexOutOfBoundsException de ) {
41 throw new DException("DSE1303",new Object []{ref.getColumn(), tableName} );
42 }
43
44 if(tableName== null || tableName.equalsIgnoreCase("new")|| tableName.equalsIgnoreCase(newAlias))
45 val = recordVersion.getCurrentRecord().getObject( ref.getColumn() );
46 else if(tableName.equalsIgnoreCase("old")|| tableName.equalsIgnoreCase(oldAlias))
47 val = recordVersion.getPreviousRecord().getObject( ref.getColumn() );
48 }
49 return val;
50 }
51
52 public FieldBase field(_Reference ref) throws DException {
53 Object val = null;
54 if(ref!=null){
55 String tableName = null;
56 try{
57 tableName = ref.getTriggerTableAlias();
58 } catch(IndexOutOfBoundsException de ) {
59 val = recordVersion.getCurrentRecord().getObject( ref.getColumn() );
60 }
61
62 if(tableName== null || tableName.equalsIgnoreCase("new")|| tableName.equalsIgnoreCase(newAlias))
63 val = recordVersion.getCurrentRecord().getObject( ref.getColumn() );
64 else if(tableName.equalsIgnoreCase("old")|| tableName.equalsIgnoreCase(oldAlias))
65 val = recordVersion.getPreviousRecord().getObject( ref.getColumn() );
66 }
67 return (FieldBase)val;
68 }
69
70
71 public void setIterator(_Iterator p0) throws DException {
72 }
73
74 public void setConditionVariableValue(_Reference[] p0, Object [] p1, int p2) throws DException {
75 }
76
77 public _ServerSession getServerSession() throws DException {
78 return serverSession;
79 }
80
81 }
82 |
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