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1 package com.daffodilwoods.daffodildb.server.sessionsystem;
2
3 import com.daffodilwoods.daffodildb.server.sql99.dql.execution._OrderCount;
4 import com.daffodilwoods.daffodildb.server.sql99.dql.iterator._Iterator;
5 import com.daffodilwoods.daffodildb.server.sql99.common.GeneralPurposeStaticClass;
6 import com.daffodilwoods.daffodildb.server.datasystem.interfaces.*;
7 import java.util.HashMap  ;
8 import com.daffodilwoods.database.resource.DException;
9 import com.daffodilwoods.daffodildb.server.sql99.common.TableDetails;
10 import com.daffodilwoods.daffodildb.server.sql99.common._KeyColumnInformation;
11 import com.daffodilwoods.daffodildb.server.sql99.common.ColumnDetails;
12 import com.daffodilwoods.daffodildb.server.datasystem.utility.*;
13 import com.daffodilwoods.database.utility.*;
14 import com.daffodilwoods.database.sqlinitiator._Order;
15 import com.daffodilwoods.daffodildb.client._ExecutionPlan;
16 import com.daffodilwoods.daffodildb.client.ExecutionPlan;
17 import com.daffodilwoods.daffodildb.server.sql99.common.ExecutionPlanForBrowser;
18 import com.daffodilwoods.daffodildb.server.sql99.utils.*;
19 import com.daffodilwoods.daffodildb.utils.field.FieldBase;
20 import com.daffodilwoods.daffodildb.utils.comparator.SuperComparator;
21 import java.util.Iterator ;
22 public class ForeignConstraintIterator extends BaseExceptionSingleIterator
23 implements _Iterator{
24 _IndexIterator indexIterator;
25 _Iterator[][] allIterators ;
26 HashMap iteratorMap ;
27 Object [][] indexes ;
28 Object [][] references;
29
30 public ForeignConstraintIterator(_IndexIterator indexIterator0,HashMap map0, _Iterator[][] iteratorsList0, Object [][] indexes0,Object [][] references0) {
31 allIterators = iteratorsList0;
32 iteratorMap = map0;
33 indexes = indexes0;
34 references = references0;
35 indexIterator = indexIterator0;
36 }
37 public _OrderCount getOrderCounts() throws com.daffodilwoods.database.resource.DException {
38
39 throw new java.lang.UnsupportedOperationException ("Method getOrderCounts() not yet implemented.");
40 }
41 public TableDetails[] getTableDetails() throws com.daffodilwoods.database.resource.DException {
42
43 throw new java.lang.UnsupportedOperationException ("Method getTableDetails() not yet implemented.");
44 }
45 public _Iterator getBaseIterator(ColumnDetails column) throws com.daffodilwoods.database.resource.DException {
46
47 throw new java.lang.UnsupportedOperationException ("Method getBaseIterator() not yet implemented.");
48 }
49 public void setConditionVariableValue(_Reference[] parm1, Object [] parm2, int parm3) throws com.daffodilwoods.database.resource.DException {
50 }
51 public Object getColumnValues() throws com.daffodilwoods.database.resource.DException {
52 return indexIterator.getColumnValues((int[])null);
53 }
54 public _KeyColumnInformation[] getKeyColumnInformations() throws com.daffodilwoods.database.resource.DException {
55 return indexIterator.getKeyColumnInformations();
56 }
57 public Object [] getUniqueColumnReference() throws com.daffodilwoods.database.resource.DException {
58 return indexIterator.getUniqueColumnReference();
59 }
60 public boolean seek(Object parm1) throws com.daffodilwoods.database.resource.DException {
61 boolean found = indexIterator.seek(parm1);
62 if(found){
63 allignAllIterators(indexIterator.getRecord());
64 }
65 return found;
66 }
67 public Object getColumnValues(_Reference[] parm1) throws com.daffodilwoods.database.resource.DException {
68 Object [] values = new Object [parm1.length];
69 for (int i = 0; i < parm1.length; i++) {
70 String [] aliasName = ((ColumnDetails)parm1[i]).getTableAliasArray();
71 _Iterator iterator = (_Iterator) iteratorMap.get(aliasName);
72 if(iterator != null){
73 try {
74 values[i] = iterator.getColumnValues(parm1[i]);
75 }
76 catch (DException ex) {
77 values[i] = null;
78 }
79 }
80 else
81 values[i] = ((Object [])indexIterator.getColumnValues(new _Reference[]{ parm1[i]}))[0];
82 }
83 return values;
84 }
85 public Object getColumnValues(_Reference parm1) throws com.daffodilwoods.database.resource.DException {
86 String [] aliasName = ((ColumnDetails)parm1).getTableAliasArray();
87 _Iterator iterator = (_Iterator) iteratorMap.get(aliasName);
88 if(iterator != null){
89 try {
90 return iterator.getColumnValues(parm1);
91 }
92 catch (DException ex) {
93 return null;
94 }
95 }
96 return ((Object [])indexIterator.getColumnValues(new _Reference[]{parm1}))[0];
97 }
98 public void setIterator(_Iterator parm1) throws com.daffodilwoods.database.resource.DException {
99
100 throw new java.lang.UnsupportedOperationException ("Method setIterator() not yet implemented.");
101 }
102 public boolean seekFromTop(_IndexPredicate[] parm1) throws com.daffodilwoods.database.resource.DException {
103 boolean found = indexIterator.seekFromTop(parm1);
104 if(found){
105 allignAllIterators(indexIterator.getRecord());
106 }
107 return found;
108 }
109 public boolean seekFromTopRelative(Object parm1) throws com.daffodilwoods.database.resource.DException {
110 boolean found = indexIterator.seekFromTopRelative(parm1);
111 if(found){
112 allignAllIterators(indexIterator.getRecord());
113 }
114 return found;
115 }
116 public boolean seekFromBottom(_IndexPredicate[] parm1) throws com.daffodilwoods.database.resource.DException {
117 boolean found = indexIterator.seekFromBottom(parm1);
118 if(found){
119 allignAllIterators(indexIterator.getRecord());
120 }
121 return found;
122 }
123 public boolean seekFromBottomRelative(Object parm1) throws com.daffodilwoods.database.resource.DException {
124 boolean found = indexIterator.seekFromBottomRelative(parm1);
125 if(found){
126 allignAllIterators(indexIterator.getRecord());
127 }
128 return found;
129 }
130
131 public boolean first() throws DException {
132 boolean firstFound = indexIterator.first();
133 if(firstFound){
134 _Record record = indexIterator.getRecord();
135 allignAllIterators(record);
136 }
137 return firstFound;
138 }
139
140 private void allignAllIterators(_Record record) throws DException {
141 for (int i = 0; i < allIterators.length; i++) {
142 for (int j = 0; j < allIterators[i].length; j++) {
143 Object [] key = null;
144 int[] columns = (int[]) indexes[i][j];
145 if(j==0)
146 key = record.getObject(columns);
147 else{
148 _Record iteratorRecord = allIterators[i][j-1].getRecord();
149 key = iteratorRecord.getObject(columns);
150 }
151 _Reference[] refs = GeneralPurposeStaticClass.changeReferences((Object [])references[i][j]);
152 allIterators[i][j].setConditionVariableValue(refs,key,1);
153 boolean isFirst = allIterators[i][j].first();
154 if( !isFirst ){
155 break;
156 }
157 }
158 }
159 }
160 public boolean last() throws com.daffodilwoods.database.resource.DException {
161 boolean lastFound = indexIterator.last();
162 if(lastFound){
163 _Record record = indexIterator.getRecord();
164 allignAllIterators(record);
165 }
166 return lastFound;
167 }
168 public boolean next() throws com.daffodilwoods.database.resource.DException {
169 boolean nextFound = indexIterator.next();
170 if(nextFound){
171 _Record record = indexIterator.getRecord();
172 allignAllIterators(record);
173 }
174 return nextFound;
175 }
176 public boolean previous() throws com.daffodilwoods.database.resource.DException {
177 boolean previousFound = indexIterator.previous();
178 if(previousFound){
179 _Record record = indexIterator.getRecord();
180 allignAllIterators(record);
181 }
182 return previousFound;
183 }
184 public Object getKey() throws com.daffodilwoods.database.resource.DException {
185 return indexIterator.getKey();
186 }
187 public void move(Object parm1) throws com.daffodilwoods.database.resource.DException {
188 indexIterator.move(parm1);
189 try {
190 _Record record = indexIterator.getRecord();
191 allignAllIterators(record);
192 }
193 catch (DException ex) {
194 }
195
196 }
197 public Object getColumnValues(int[] parm1) throws com.daffodilwoods.database.resource.DException {
198 return indexIterator.getColumnValues(parm1);
199 }
200 public _Record getRecord() throws com.daffodilwoods.database.resource.DException {
201 return indexIterator.getRecord();
202 }
203
204
205 public void addReferences(_Reference[] parm1) throws com.daffodilwoods.database.resource.DException {
206
207 throw new java.lang.UnsupportedOperationException ("Method addReferences() not yet implemented.");
208 }
209 public Object [][] getReferenceAndValuePair() throws DException {
210 throw new java.lang.UnsupportedOperationException ("Method getReferences() not yet implemented.");
211 }
212 public _Order getDefaultOrder() throws DException{
213
214 throw new java.lang.UnsupportedOperationException ("Method getDefaultOrder() not yet implemented.");
215 }
216
217 public String toString() {
218 return " ForeignConstraintIterator [ "+indexIterator+" ] ";
219 }
220
221 public Object getColumnValues(int column) throws DException {
222
223 throw new java.lang.UnsupportedOperationException ("Method getColumnValues() not yet implemented.");
224 }
225
226 public _ExecutionPlan getExecutionPlan() throws DException{
227 return new ExecutionPlan("ForeignConstraintIterator",null,null,null,null);
228 }
229
230 public ExecutionPlanForBrowser getExecutionPlanForBrowser() throws DException {
231 throw new UnsupportedOperationException ("Method Not Supported");
232 }
233 public SuperComparator getComparator() {
234 return ((_IndexIteratorInfo)indexIterator).getComparator();
235 }
236 public SuperComparator getObjectComparator() throws com.daffodilwoods.database.resource.DException {
237 return ((_IndexIteratorInfo)indexIterator).getObjectComparator();
238 }
239 public _Iterator getBaseIteratorHasRecord(ColumnDetails hasRecordColumn) throws DException {
240 throw new DException("DSE565",new Object []{"getBaseIterator"});
241 }
242 public FieldBase field(_Reference reference) throws com.daffodilwoods.database.resource.DException {
243 String [] aliasName = ((ColumnDetails)reference).getTableAliasArray();
244 _Iterator iterator = (_Iterator) iteratorMap.get(aliasName);
245 if(iterator != null){
246 try {
247 return iterator.field(reference);
248 }
249 catch (DException ex) {
250 return null;
251 }
252 }
253 return ((FieldBase[])indexIterator.fields(new _Reference[]{reference}))[0];
254 }
255 public FieldBase[] fields(_Reference[] references) throws com.daffodilwoods.database.resource.DException {
256 FieldBase[] values = new FieldBase[references.length];
257 for (int i = 0; i < references.length; i++) {
258 String [] aliasName = ((ColumnDetails)references[i]).getTableAliasArray();
259 _Iterator iterator = (_Iterator) iteratorMap.get(aliasName);
260 if(iterator != null){
261 try {
262 values[i] = iterator.field(references[i]);
263 }
264 catch (DException ex) {
265 values[i] = null;
266 }
267 }
268 else
269 values[i] = ((FieldBase[])indexIterator.fields(new _Reference[]{ references[i]}))[0];
270 }
271 return values;
272 }
273 public FieldBase[] fields(int[] columns) throws com.daffodilwoods.database.resource.DException {
274 return indexIterator.fields(columns);
275 }
276 public void releaseResource() throws DException {
277
278 }
279
280 }
281 |
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