Source Code Cross Referenced for GenericExecutionFactory.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » sql » execute » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.sql.execute 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:
003:           Derby - Class org.apache.derby.impl.sql.execute.GenericExecutionFactory
004:
005:           Licensed to the Apache Software Foundation (ASF) under one or more
006:           contributor license agreements.  See the NOTICE file distributed with
007:           this work for additional information regarding copyright ownership.
008:           The ASF licenses this file to you under the Apache License, Version 2.0
009:           (the "License"); you may not use this file except in compliance with
010:           the License.  You may obtain a copy of the License at
011:
012:              http://www.apache.org/licenses/LICENSE-2.0
013:
014:           Unless required by applicable law or agreed to in writing, software
015:           distributed under the License is distributed on an "AS IS" BASIS,
016:           WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017:           See the License for the specific language governing permissions and
018:           limitations under the License.
019:
020:         */
021:
022:        package org.apache.derby.impl.sql.execute;
023:
024:        import org.apache.derby.iapi.sql.Activation;
025:
026:        import org.apache.derby.impl.sql.GenericColumnDescriptor;
027:        import org.apache.derby.impl.sql.GenericResultDescription;
028:        import org.apache.derby.iapi.services.monitor.ModuleControl;
029:        import org.apache.derby.iapi.services.monitor.ModuleSupportable;
030:        import org.apache.derby.iapi.services.monitor.Monitor;
031:        import org.apache.derby.iapi.services.io.FormatIdUtil;
032:        import org.apache.derby.iapi.error.StandardException;
033:        import org.apache.derby.iapi.types.DataValueFactory;
034:
035:        import org.apache.derby.iapi.sql.conn.LanguageConnectionContext;
036:        import org.apache.derby.iapi.sql.execute.ExecRow;
037:        import org.apache.derby.iapi.sql.execute.ExecIndexRow;
038:        import org.apache.derby.iapi.sql.execute.ExecutionContext;
039:        import org.apache.derby.iapi.sql.execute.ExecutionFactory;
040:        import org.apache.derby.iapi.sql.execute.ResultSetFactory;
041:        import org.apache.derby.iapi.sql.execute.ResultSetStatisticsFactory;
042:        import org.apache.derby.iapi.sql.execute.ScanQualifier;
043:        import org.apache.derby.iapi.sql.Activation;
044:        import org.apache.derby.iapi.sql.ResultColumnDescriptor;
045:        import org.apache.derby.iapi.sql.ResultDescription;
046:
047:        import org.apache.derby.iapi.store.access.DynamicCompiledOpenConglomInfo;
048:        import org.apache.derby.iapi.store.access.Qualifier;
049:        import org.apache.derby.iapi.store.access.StaticCompiledOpenConglomInfo;
050:        import org.apache.derby.iapi.store.access.TransactionController;
051:        import org.apache.derby.iapi.sql.dictionary.IndexRowGenerator;
052:        import org.apache.derby.iapi.sql.execute.RowChanger;
053:        import org.apache.derby.iapi.jdbc.ConnectionContext;
054:
055:        import org.apache.derby.iapi.services.loader.GeneratedMethod;
056:
057:        import org.apache.derby.iapi.services.context.ContextManager;
058:        import org.apache.derby.catalog.UUID;
059:        import org.apache.derby.iapi.services.io.FormatableBitSet;
060:        import org.apache.derby.iapi.services.io.FormatableArrayHolder;
061:        import org.apache.derby.iapi.services.io.FormatableHashtable;
062:        import org.apache.derby.iapi.services.io.FormatableIntHolder;
063:        import org.apache.derby.iapi.services.io.FormatableProperties;
064:        import org.apache.derby.catalog.TypeDescriptor;
065:        import java.util.Properties;
066:        import java.util.Vector;
067:
068:        /**
069:         This Factory is for creating the execution items needed
070:         by a connection for a given database.  Once created for
071:         the connection, they should be pushed onto the execution context
072:         so that they can be found again by subsequent actions during the session.
073:
074:         @author ames
075:         */
076:        public class GenericExecutionFactory implements  ModuleControl,
077:                ModuleSupportable, ExecutionFactory {
078:
079:            //
080:            // ModuleControl interface
081:            //
082:            public boolean canSupport(Properties startParams) {
083:                return Monitor.isDesiredType(startParams,
084:                        org.apache.derby.iapi.reference.EngineType.NONE);
085:            }
086:
087:            /**
088:            	This Factory is expected to be booted relative to a
089:            	LanguageConnectionFactory.
090:
091:            	@see org.apache.derby.iapi.sql.conn.LanguageConnectionFactory
092:             * @exception StandardException Thrown on error
093:             */
094:            public void boot(boolean create, Properties startParams)
095:                    throws StandardException {
096:                // do we need to/ is there some way to check that
097:                // we are configured per database?
098:
099:                /* Creation of the connection execution factories 
100:                 * for this database deferred until needed to reduce
101:                 * boot time.
102:                 */
103:
104:                // REMIND: removed boot of LanguageFactory because
105:                // that is done in BasicDatabase.
106:            }
107:
108:            public void stop() {
109:            }
110:
111:            //
112:            // ExecutionFactory interface
113:            //
114:            /**
115:             * Factories are generic and can be used by all connections.
116:             * We defer instantiation until needed to reduce boot time.
117:             * We may instantiate too many instances in rare multi-user
118:             * situation, but consistency will be maintained and at some
119:             * point, usually always, we will have 1 and only 1 instance
120:             * of each factory because assignment is atomic.
121:             */
122:            public ResultSetFactory getResultSetFactory() {
123:                if (rsFactory == null) {
124:                    rsFactory = new GenericResultSetFactory();
125:                }
126:                return rsFactory;
127:            }
128:
129:            /**
130:             *	Get the factory for constant actions.
131:             *
132:             *	@return	the factory for constant actions.
133:             */
134:            public GenericConstantActionFactory getConstantActionFactory() {
135:                if (genericConstantActionFactory == null) {
136:                    genericConstantActionFactory = new GenericConstantActionFactory();
137:                }
138:                return genericConstantActionFactory;
139:            }
140:
141:            /**
142:            	We want a dependency context so that we can push it onto
143:            	the stack.  We could instead require the implementation
144:            	push it onto the stack for us, but this way we know
145:            	which context object exactly was pushed onto the stack.
146:             */
147:            public ExecutionContext newExecutionContext(ContextManager cm) {
148:                /* Pass in nulls for execution factories.  GEC
149:                 * will call back to get factories when needed.
150:                 * This allows us to reduce boot time class loading.
151:                 * (Replication currently instantiates factories
152:                 * at boot time.)
153:                 */
154:                return new GenericExecutionContext((ResultSetFactory) null, cm,
155:                        this );
156:            }
157:
158:            /*
159:             * @see ExecutionFactory#getScanQualifier
160:             */
161:            public ScanQualifier[][] getScanQualifier(int numQualifiers) {
162:                ScanQualifier[] sqArray = new GenericScanQualifier[numQualifiers];
163:
164:                for (int ictr = 0; ictr < numQualifiers; ictr++) {
165:                    sqArray[ictr] = new GenericScanQualifier();
166:                }
167:
168:                ScanQualifier[][] ret_sqArray = { sqArray };
169:
170:                return (ret_sqArray);
171:            }
172:
173:            /**
174:            	Make a result description
175:             */
176:            public ResultDescription getResultDescription(
177:                    ResultColumnDescriptor[] columns, String statementType) {
178:                return new GenericResultDescription(columns, statementType);
179:            }
180:
181:            /**
182:             * Create an execution time ResultColumnDescriptor from a 
183:             * compile time RCD.
184:             *
185:             * @param compileRCD	The compile time RCD.
186:             *
187:             * @return The execution time ResultColumnDescriptor
188:             */
189:            public ResultColumnDescriptor getResultColumnDescriptor(
190:                    ResultColumnDescriptor compileRCD) {
191:                return new GenericColumnDescriptor(compileRCD);
192:            }
193:
194:            /**
195:             * @see ExecutionFactory#releaseScanQualifier
196:             */
197:            public void releaseScanQualifier(ScanQualifier[][] qualifiers) {
198:            }
199:
200:            /**
201:             * @see ExecutionFactory#getQualifier
202:             */
203:            public Qualifier getQualifier(int columnId, int operator,
204:                    GeneratedMethod orderableGetter, Activation activation,
205:                    boolean orderedNulls, boolean unknownRV,
206:                    boolean negateCompareResult, int variantType) {
207:                return new GenericQualifier(columnId, operator,
208:                        orderableGetter, activation, orderedNulls, unknownRV,
209:                        negateCompareResult, variantType);
210:            }
211:
212:            /**
213:              @exception StandardException		Thrown on error
214:              @see ExecutionFactory#getRowChanger
215:             */
216:            public RowChanger getRowChanger(long heapConglom,
217:                    StaticCompiledOpenConglomInfo heapSCOCI,
218:                    DynamicCompiledOpenConglomInfo heapDCOCI,
219:                    IndexRowGenerator[] irgs, long[] indexCIDS,
220:                    StaticCompiledOpenConglomInfo[] indexSCOCIs,
221:                    DynamicCompiledOpenConglomInfo[] indexDCOCIs,
222:                    int numberOfColumns, TransactionController tc,
223:                    int[] changedColumnIds, int[] streamStorableHeapColIds,
224:                    Activation activation) throws StandardException {
225:                return new RowChangerImpl(heapConglom, heapSCOCI, heapDCOCI,
226:                        irgs, indexCIDS, indexSCOCIs, indexDCOCIs,
227:                        numberOfColumns, changedColumnIds, tc, null,
228:                        streamStorableHeapColIds, activation);
229:            }
230:
231:            /**
232:              @exception StandardException		Thrown on error
233:              @see ExecutionFactory#getRowChanger
234:             */
235:            public RowChanger getRowChanger(long heapConglom,
236:                    StaticCompiledOpenConglomInfo heapSCOCI,
237:                    DynamicCompiledOpenConglomInfo heapDCOCI,
238:                    IndexRowGenerator[] irgs, long[] indexCIDS,
239:                    StaticCompiledOpenConglomInfo[] indexSCOCIs,
240:                    DynamicCompiledOpenConglomInfo[] indexDCOCIs,
241:                    int numberOfColumns, TransactionController tc,
242:                    int[] changedColumnIds, FormatableBitSet baseRowReadList,
243:                    int[] baseRowReadMap, int[] streamStorableColIds,
244:                    Activation activation) throws StandardException {
245:                return new RowChangerImpl(heapConglom, heapSCOCI, heapDCOCI,
246:                        irgs, indexCIDS, indexSCOCIs, indexDCOCIs,
247:                        numberOfColumns, changedColumnIds, tc, baseRowReadList,
248:                        baseRowReadMap, activation);
249:            }
250:
251:            /**
252:             * Get a trigger execution context
253:             *
254:             * @exception StandardException		Thrown on error
255:             */
256:            public InternalTriggerExecutionContext getTriggerExecutionContext(
257:                    LanguageConnectionContext lcc, ConnectionContext cc,
258:                    String statementText, int dmlType, int[] changedColIds,
259:                    String[] changedColNames, UUID targetTableId,
260:                    String targetTableName, Vector aiCounters)
261:                    throws StandardException {
262:                return new InternalTriggerExecutionContext(lcc, cc,
263:                        statementText, dmlType, changedColIds, changedColNames,
264:                        targetTableId, targetTableName, aiCounters);
265:            }
266:
267:            /*
268:            	Old RowFactory interface
269:             */
270:
271:            public ExecRow getValueRow(int numColumns) {
272:                return new ValueRow(numColumns);
273:            }
274:
275:            public ExecIndexRow getIndexableRow(int numColumns) {
276:                return new IndexRow(numColumns);
277:            }
278:
279:            public ExecIndexRow getIndexableRow(ExecRow valueRow) {
280:                if (valueRow instanceof  ExecIndexRow)
281:                    return (ExecIndexRow) valueRow;
282:                return new IndexValueRow(valueRow);
283:            }
284:
285:            /**
286:             Packages up a clump of constants which the Plugin uses at execute()
287:             time for COPY PUBLICATION.
288:             */
289:            public Object getJdbcCopyConstants(int[][] paramReferences,
290:                    TypeDescriptor[][] columnTypes,
291:                    int[][] publishedTableSchemaCounts) {
292:                return null;
293:            }
294:
295:            /**
296:             Packages up a clump of constants which the Plugin uses at execute()
297:             time for CREATE PUBLICATION.
298:             */
299:            public Object getJdbcCreateConstants(UUID[] publishedJarFileIDs,
300:                    Object publishedItems, int[][] tableSchemaCounts) {
301:                return null;
302:            }
303:
304:            //
305:            // class interface
306:            //
307:            public GenericExecutionFactory() {
308:            }
309:
310:            //
311:            // fields
312:            //
313:            public ResultSetFactory rsFactory;
314:            protected GenericConstantActionFactory genericConstantActionFactory;
315:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.