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1 package com.daffodilwoods.daffodildb.server.sql99.fulltext.dql.iterator;
2
3 import com.daffodilwoods.daffodildb.server.sql99.utils.BaseExceptionSingleIterator;
4 import com.daffodilwoods.daffodildb.server.sql99.dql.iterator._Iterator;
5 import com.daffodilwoods.database.resource.DException;
6 import com.daffodilwoods.daffodildb.utils.field.FieldBase;
7 import com.daffodilwoods.daffodildb.server.sql99.utils._Reference;
8 import com.daffodilwoods.daffodildb.server.sql99.common.ColumnDetails;
9 import com.daffodilwoods.daffodildb.server.sql99.common._KeyColumnInformation;
10 import com.daffodilwoods.daffodildb.utils.comparator.SuperComparator;
11 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._IndexIterator;
12 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._IndexIteratorInfo;
13 import com.daffodilwoods.daffodildb.server.sql99.common.GeneralPurposeStaticClass;
14 import com.daffodilwoods.daffodildb.server.sql99.common.ExecutionPlanForBrowser;
15
16
26 public class ContainsIterator extends BaseExceptionSingleIterator implements _IndexIteratorInfo{
27
28
31 _Iterator fullTextIndex;
32
35 _Iterator tableIterator;
36
39 ColumnDetails[] documentId;
40
41 public ContainsIterator(_Iterator fullTextIterator,_Iterator tableIterator)throws DException{
42 fullTextIndex = fullTextIterator;
43 this.tableIterator = tableIterator;
44 documentId = new ColumnDetails[]{GeneralPurposeStaticClass.getColumnDetails("documentId")};
45 }
46
47
52 public boolean first() throws DException {
53 return fullTextIndex.first();
54 }
55
56
61 public boolean next() throws DException {
62 return fullTextIndex.next();
63 }
64
65
70 public boolean last() throws DException {
71 return fullTextIndex.last();
72 }
73
74
79 public boolean previous() throws DException {
80 return fullTextIndex.previous();
81 }
82
83
91 public Object  getColumnValues() throws DException {
92 tableIterator.seek(fullTextIndex.getColumnValues(documentId));
93 return tableIterator.getColumnValues();
94 }
95
96 public Object getColumnValues(int[] columns) throws DException {
97 tableIterator.seek(fullTextIndex.getColumnValues(documentId));
98 return tableIterator.getColumnValues(columns);
99 }
100
101 public Object getColumnValues(_Reference[] references) throws DException {
102 Object [] fbsToRet = new Object [references.length];
103 for (int i = 0; i < references.length; i++) {
104 fbsToRet[i] = getColumnValues(references[i]);
105 }
106 return fbsToRet;
107 }
108
109 public Object getColumnValues(_Reference reference) throws DException {
110 tableIterator.seek(fullTextIndex.getColumnValues(documentId));
111 return tableIterator.getColumnValues(reference);
112 }
113
114 public FieldBase field(_Reference reference) throws com.daffodilwoods.database.resource.DException {
115 tableIterator.seek(fullTextIndex.getColumnValues(documentId));
116 return tableIterator.field(reference);
117 }
118
119 public FieldBase[] fields(_Reference[] references) throws com.daffodilwoods.database.resource.DException {
120 FieldBase[] fbsToRet = new FieldBase[references.length];
121 for (int i = 0; i < references.length; i++) {
122 fbsToRet[i] = field(references[i]);
123 }
124 return fbsToRet;
125 }
126
127 public FieldBase[] fields(int[] columns) throws com.daffodilwoods.database.resource.DException {
128 return (FieldBase[]) getColumnValues(columns);
129 }
130
131 public Object [] getUniqueColumnReference() throws DException {
132 return tableIterator.getUniqueColumnReference();
133 }
134
135 public _KeyColumnInformation[] getKeyColumnInformations() throws DException {
136 return tableIterator.getKeyColumnInformations();
137 }
138 public int getBtreeIndex() throws DException {
139 return ((_IndexIteratorInfo)tableIterator).getBtreeIndex();
140 }
141 public boolean locateKey(Object key, boolean top) throws DException {
142 return ((_IndexIteratorInfo)tableIterator).locateKey(key,top);
143
144 }
145 public void ensureRecordInMemory() throws DException {
146 ((_IndexIteratorInfo)tableIterator).ensureRecordInMemory();
147 }
148 public void moveOnActualKey(Object key) throws DException {
149 ((_IndexIteratorInfo)tableIterator).moveOnActualKey(key);
150 }
151 public Object getActualKey() throws DException {
152 return ((_IndexIteratorInfo)tableIterator).getActualKey();
153
154 }
155 public boolean seekKeyAddress(Object indexKey) throws DException {
156 return ((_IndexIteratorInfo)tableIterator).seekKeyAddress(indexKey);
157 }
158 public Object getPhysicalAddress() throws DException {
159 return ((_IndexIteratorInfo)tableIterator).getPhysicalAddress();
160 }
161 public SuperComparator getComparator() {
162 return ((_IndexIteratorInfo)tableIterator).getComparator();
163 }
164 public SuperComparator getObjectComparator() throws DException {
165 return ((_IndexIteratorInfo)tableIterator).getObjectComparator();
166
167 }
168 public void setConditionVariableValue(_Reference[] references, Object [] values, int priority) throws DException {
169 tableIterator.setConditionVariableValue(references,values,priority);
170
171 }
172 public String toString(){
173 String str = "Contains[FullTextIndex["+fullTextIndex+"]Table["+tableIterator+"]]";
174 return str;
175 }
176
177 public ExecutionPlanForBrowser getExecutionPlanForBrowser() throws DException {
178 ExecutionPlanForBrowser cplan = tableIterator.getExecutionPlanForBrowser();
179 ExecutionPlanForBrowser cplans[] = cplan == null ? null :
180 new ExecutionPlanForBrowser[] {
181 cplan};
182 ExecutionPlanForBrowser plan = new ExecutionPlanForBrowser("ContainsClause",
183 "ContainsIterator", cplans, null, null, null);
184 return plan;
185 }
186
187 }
188 |
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