Source Code Cross Referenced for AmberEntityHome.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » amber » entity » 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 » EJB Server resin 3.1.5 » resin » com.caucho.amber.entity 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *   Free Software Foundation, Inc.
023:         *   59 Temple Place, Suite 330
024:         *   Boston, MA 02111-1307  USA
025:         *
026:         * @author Scott Ferguson
027:         */
028:
029:        package com.caucho.amber.entity;
030:
031:        import com.caucho.amber.AmberException;
032:        import com.caucho.amber.AmberRuntimeException;
033:        import com.caucho.amber.AmberObjectNotFoundException;
034:        import com.caucho.amber.manager.AmberConnection;
035:        import com.caucho.amber.manager.AmberPersistenceUnit;
036:        import com.caucho.amber.query.CacheUpdate;
037:        import com.caucho.amber.type.*;
038:        import com.caucho.config.ConfigException;
039:        import com.caucho.log.Log;
040:        import com.caucho.util.L10N;
041:
042:        import java.lang.ref.SoftReference;
043:        import java.lang.reflect.Method;
044:        import java.lang.reflect.Modifier;
045:        import java.sql.ResultSet;
046:        import java.sql.SQLException;
047:        import java.util.ArrayList;
048:        import java.util.Map;
049:        import java.util.logging.Level;
050:        import java.util.logging.Logger;
051:
052:        /**
053:         * Manages the set of persistent beans.
054:         */
055:        public class AmberEntityHome {
056:            private static final L10N L = new L10N(AmberEntityHome.class);
057:            private static final Logger log = Log.open(AmberEntityHome.class);
058:
059:            private AmberPersistenceUnit _manager;
060:            private EntityType _entityType;
061:
062:            private EntityFactory _entityFactory = new EntityFactory();
063:
064:            private Entity _homeBean;
065:
066:            private ArrayList<SoftReference<CacheUpdate>> _cacheUpdates = new ArrayList<SoftReference<CacheUpdate>>();
067:
068:            private EntityKey _cacheKey = new EntityKey();
069:
070:            private volatile boolean _isInit;
071:
072:            private RuntimeException _configException;
073:
074:            private Method _cauchoGetBeanMethod;
075:
076:            public AmberEntityHome(AmberPersistenceUnit manager, EntityType type) {
077:                _manager = manager;
078:                _entityType = type;
079:
080:                try {
081:                    Class cl = Class
082:                            .forName("com.caucho.ejb.entity.EntityObject");
083:                    _cauchoGetBeanMethod = cl.getMethod("_caucho_getBean",
084:                            new Class[0]);
085:                } catch (Exception e) {
086:                    log.log(Level.FINER, e.toString(), e);
087:                }
088:            }
089:
090:            /**
091:             * Returns the getBean method to instantiate the Amber object.
092:             */
093:            public Method getCauchoGetBeanMethod() {
094:                return _cauchoGetBeanMethod;
095:            }
096:
097:            /**
098:             * Returns the manager.
099:             */
100:            public AmberPersistenceUnit getManager() {
101:                return _manager;
102:            }
103:
104:            /**
105:             * Returns the entity type
106:             */
107:            public EntityType getEntityType() {
108:                return _entityType;
109:            }
110:
111:            /**
112:             * Returns the entity type
113:             */
114:            public EntityType getRootType() {
115:                return (EntityType) _entityType.getRootType();
116:            }
117:
118:            /**
119:             * Returns the java class.
120:             */
121:            public Class getJavaClass() {
122:                return _entityType.getInstanceClass();
123:            }
124:
125:            /**
126:             * Returns the entity factory.
127:             */
128:            public EntityFactory getEntityFactory() {
129:                return _entityFactory;
130:            }
131:
132:            /**
133:             * Sets the entity factory.
134:             */
135:            public void setEntityFactory(EntityFactory factory) {
136:                _entityFactory = factory;
137:            }
138:
139:            /**
140:             * Returns the cache timeout.
141:             */
142:            public long getCacheTimeout() {
143:                return _entityType.getCacheTimeout();
144:            }
145:
146:            /**
147:             * Returns the instance class.
148:             */
149:            public Class getInstanceClass() {
150:                return _entityType.getInstanceClass();
151:            }
152:
153:            /**
154:             * Link the classes.
155:             */
156:            void link() throws ConfigException {
157:                // _entityClass.link(_manager);
158:            }
159:
160:            /**
161:             * Initialize the home.
162:             */
163:            public void init() throws ConfigException {
164:                synchronized (this ) {
165:                    if (_isInit)
166:                        return;
167:                    _isInit = true;
168:                }
169:
170:                _entityType.init();
171:
172:                try {
173:                    Class instanceClass = _entityType.getInstanceClass();
174:
175:                    if (!Modifier.isAbstract(instanceClass.getModifiers()))
176:                        _homeBean = (Entity) instanceClass.newInstance();
177:                } catch (Exception e) {
178:                    _entityType.setConfigException(e);
179:
180:                    _configException = ConfigException.create(e);
181:                    throw _configException;
182:                }
183:
184:                _entityType.start();
185:            }
186:
187:            /**
188:             * Returns the entity from the key.
189:             */
190:            public Object getKeyFromEntity(Entity entity) throws AmberException {
191:                //    return _entityType.getId().getType().getValue(obj);
192:                return null;
193:            }
194:
195:            /**
196:             * Converts a long key to the key.
197:             */
198:            public Object toObjectKey(long key) {
199:                return _entityType.getId().toObjectKey(key);
200:            }
201:
202:            /*
203:            private Entity load(AmberConnection aConn,
204:                               Object key)
205:              throws AmberException
206:            {
207:              EntityItem existingItem = _manager.getEntity(getRootType(), key);
208:              
209:              return find(aConn, key, existingItem, true, 0, 0);
210:            }
211:             */
212:
213:            /**
214:             * Finds by the primary key.
215:             */
216:            /*
217:            private Entity load(AmberConnection aConn,
218:                               Object key,
219:                               long notExpiringLoadMask,
220:                               int notExpiringGroup)
221:              throws AmberException
222:            {
223:              EntityItem existingItem = _manager.getEntity(getRootType(), key);
224:              
225:              return find(aConn, key, existingItem,
226:            	true, notExpiringLoadMask, notExpiringGroup);
227:            }
228:             */
229:
230:            /**
231:             * Finds by the primary key.
232:             */
233:            /*
234:            private Entity loadLazy(AmberConnection aConn, Object key)
235:              throws AmberException
236:            {
237:              EntityItem existingItem = _manager.getEntity(getRootType(), key);
238:              
239:              return find(aConn, key, existingItem, false, 0, 0);
240:            }
241:             */
242:
243:            /**
244:             * Finds by the primary key.
245:             */
246:            public EntityItem findItem(AmberConnection aConn, ResultSet rs,
247:                    int index) throws SQLException {
248:                EntityItem item = _homeBean.__caucho_home_find(aConn, this , rs,
249:                        index);
250:
251:                return item;
252:            }
253:
254:            /**
255:             * Finds by the primary key.
256:             */
257:            public Object loadFull(AmberConnection aConn, ResultSet rs,
258:                    int index) throws SQLException {
259:                // jpa/0l43
260:                Entity entity;
261:
262:                if (_homeBean == null)
263:                    throw new NullPointerException("HOME:" + this );
264:
265:                entity = aConn.getSubEntity(_homeBean.getClass(), rs
266:                        .getObject(index));
267:
268:                if (entity != null) {
269:                    if (entity.__caucho_getEntityState().isManaged())
270:                        return entity;
271:                }
272:
273:                EntityItem item = findItem(aConn, rs, index);
274:
275:                if (item == null)
276:                    return null;
277:
278:                entity = null;
279:
280:                Object value = aConn.getEntityLazy(item);
281:
282:                if (aConn.isActiveTransaction()) {
283:                    if (value instanceof  Entity)
284:                        entity = (Entity) value;
285:                    else if (_cauchoGetBeanMethod != null) {
286:                        try {
287:                            entity = (Entity) _cauchoGetBeanMethod.invoke(
288:                                    value, new Object[0]);
289:                            entity.__caucho_makePersistent(aConn, item);
290:                        } catch (Exception e) {
291:                            log.log(Level.FINER, e.toString(), e);
292:                        }
293:                    }
294:
295:                    if (entity == null)
296:                        entity = aConn.getEntity(item);
297:                } else
298:                    entity = item.getEntity();
299:
300:                int keyLength = _entityType.getId().getKeyCount();
301:
302:                entity.__caucho_load(aConn, rs, index + keyLength);
303:
304:                return entity;
305:            }
306:
307:            /**
308:             * Finds by the primary key.
309:             */
310:            public Object loadLazy(AmberConnection aConn, ResultSet rs,
311:                    int index) throws SQLException {
312:                EntityItem item = findItem(aConn, rs, index);
313:
314:                if (item == null)
315:                    return null;
316:
317:                return aConn.getEntity(item);
318:            }
319:
320:            /*
321:            private Entity find(AmberConnection aConn,
322:                               Object key,
323:                               boolean isLoad)
324:              throws AmberException
325:            {
326:              EntityItem existingItem = _manager.getEntity(getRootType(), key);
327:              
328:              return find(aConn, key, existingItem, isLoad, 0, 0);
329:            }
330:             */
331:
332:            /**
333:             * Finds an entity based on the primary key.
334:             *
335:             * @param key the primary key
336:             * @param aConn the Amber connection to associate with the loaded item
337:             * @param isLoad if true, try to load the bean
338:             */
339:            /*
340:            public Entity find(AmberConnection aConn,
341:                               Object key,
342:            	     EntityItem cacheItem,
343:                               boolean isLoad,
344:                               long notExpiringLoadMask,
345:                               int notExpiringGroup)
346:              throws AmberException
347:            {
348:              try {
349:                // jpa/0o01, jpa/0o41
350:
351:                // jpa/0l48: checks if cacheItem is new or existing (below).
352:                // EntityItem existingItem = _manager.getEntity(getRootType(), key);
353:
354:                if (log.isLoggable(Level.FINER)) {
355:                  log.log(Level.FINER, L.l("AmberEntityHome.find class: {0} PK: {1} isLoad: {2} xa: {3} notExpiringLoadMask: " + notExpiringLoadMask + " notExpiringGroup: " + notExpiringGroup,
356:                                           _entityType.getClassName(), key,
357:                                           isLoad, aConn.isActiveTransaction()));
358:
359:                  String msg;
360:
361:                  if (existingItem == null)
362:                    msg = "there is not a cache item for class: {0} PK: {1}. It will try to load it.";
363:                  else
364:                    msg = "found an existing cache item for class: {0} PK: {1}.";
365:
366:                  log.log(Level.FINER, L.l("AmberEntityHome.find: " + msg,
367:                                           _entityType.getClassName(), key));
368:                }
369:
370:                Entity cacheEntity = cacheItem.getEntity();
371:                AmberEntityHome home = cacheItem.getEntityHome();
372:
373:                Entity entity = cacheEntity.__caucho_home_new(home, key);
374:                entity.__caucho_makePersistent(aConn, cacheItem);
375:
376:                // The entity is added for eagerly loading optimization.
377:                aConn.addEntity(entity);
378:
379:                try {
380:                  // jpa/0l48: inheritance loading optimization.
381:                  // jpa/0h20: no transaction, copy from the existing cache item.
382:
383:                  // Copy as much as possible from a new cache item or
384:                  // from the existing cache item if there is no transaction.
385:                  if (existingItem == null || ! aConn.isActiveTransaction()) {
386:                    if (log.isLoggable(Level.FINER)) {
387:                      String msg;
388:
389:                      if (existingItem == null)
390:                        msg = "a new cache item has been loaded and";
391:                      else
392:                        msg = "since there is no transaction, the existing cache item";
393:
394:                      log.log(Level.FINER, L.l( "AmberEntityHome.find: {0} will be copied to a context object class: {1} PK: {2}.",
395:                                                msg, _entityType.getClassName(), key));
396:                    }
397:
398:                    // _manager.copyFromCacheItem(aConn, entity, cacheItem);
399:              cacheItem.copyTo(entity, aConn);
400:                  }
401:
402:                  long loadMask = entity.__caucho_getLoadMask(notExpiringGroup);
403:                  loadMask |= notExpiringLoadMask;
404:
405:                  // jpa/0l42: loading optimization.
406:                  entity.__caucho_setLoadMask(loadMask, notExpiringGroup);
407:
408:                  if (isLoad) {
409:                    entity.__caucho_retrieve_eager(aConn);
410:                  }
411:                  else if (aConn.isActiveTransaction()) {
412:                    // jpa/0v33: within a transaction, cannot copy from cache.
413:                    entity.__caucho_retrieve_self(aConn);
414:                  }
415:
416:                  // XXX: should be handled above.
417:                  // else if (existingItem != null) {
418:                  //   cacheItem.copyTo(entity, aConn);
419:                  // }
420:                } catch (AmberObjectNotFoundException e) {
421:                  // 0g0q: if the entity is not found, removes it from context.
422:                  aConn.removeEntity(entity);
423:
424:                  if (_manager.isJPA())
425:                    return null;
426:
427:                  throw e;
428:                }
429:
430:                return entity;
431:              } catch (Exception e) {
432:                // jpa/0u0j
433:                if (_manager.isJPA() && (e instanceof RuntimeException))
434:                  throw (RuntimeException) e;
435:
436:                throw AmberException.create(e);
437:              }
438:            }
439:             */
440:
441:            /**
442:             * Loads an entity based on the primary key.
443:             *
444:             * @param aConn the Amber connection to associate with the loaded item
445:             * @param key the primary key
446:             * @param isLoad if true, try to load the bean
447:             */
448:            /*
449:            public EntityItem findEntityItem(AmberConnection aConn,
450:                                             Object key,
451:                                             boolean isLoad,
452:                                             EntityItem item)
453:              throws AmberException
454:            {
455:              if (log.isLoggable(Level.FINER))
456:                log.log(Level.FINER, "findEntityItem: "+key+" "+isLoad);
457:
458:              if (key == null)
459:                return null; // ejb/0a06 throw new NullPointerException("primaryKey");
460:
461:              try {
462:                // XXX: ejb/0d01 should not check this.
463:                // jpa/0y14 if (aConn.shouldRetrieveFromCache())
464:                if (item == null)
465:                  item = _manager.getEntity(getRootType(), key);
466:
467:                if (log.isLoggable(Level.FINER))
468:                  log.log(Level.FINER, "findEntityItem item is null? "+(item == null));
469:
470:                if (item == null) {
471:                  if (_homeBean == null && _configException != null)
472:                    throw _configException;
473:
474:                  // jpa/0l00, jpa/0l32
475:                  // XXX: this is an initial optimization and bug fix also for jpa/0s29
476:                  // XXX: another point is inheritance with many-to-one (jpa/0l40 and jpa/0s29)
477:                  //      still get twice the number of loading SQLs.
478:                  boolean loadFromResultSet = false; // ! getEntityType().hasDependent();
479:
480:                  Entity cacheEntity;
481:
482:                  cacheEntity = (Entity) _homeBean.__caucho_home_find(aConn, this, key);
483:
484:                  if (log.isLoggable(Level.FINER))
485:                    log.log(Level.FINER, "findEntityItem cacheEntity is null? "+(cacheEntity == null));
486:
487:                  // Object does not exist.
488:                  if (cacheEntity == null) {
489:                    if (_manager.isJPA())
490:                      return null;
491:
492:                    // ejb/0604
493:                    throw new AmberObjectNotFoundException("amber find: no matching object " + _entityType.getBeanClass().getName() + "[" + key + "]");
494:                  }
495:
496:                  item = new CacheableEntityItem(this, cacheEntity);
497:
498:                  // The cache entity is added after commit.
499:                  if (! aConn.isActiveTransaction()) {
500:                    if (isLoad) {
501:                      if (_manager.isJPA()) {
502:                        // jpa/0o03
503:                        item.loadEntity(aConn, 0);
504:                      }
505:                      else
506:                        item.loadEntity(0);
507:                    }
508:
509:                    // jpa/0g0p: only adds the cache entity if it is not within a transaction.
510:                    item = _manager.putEntity(getRootType(), key, item);
511:
512:                    if (log.isLoggable(Level.FINER))
513:                      log.log(Level.FINER, "findEntityItem after putEntity item is null? "+(item == null));
514:                  }
515:                }
516:                else if (isLoad) {
517:                  if (! aConn.isActiveTransaction()) {
518:                    if (_manager.isJPA()) {
519:                      // jpa/0v33
520:                      item.loadEntity(aConn, 0);
521:                    }
522:                    else
523:                      item.loadEntity(0);
524:                  }
525:                }
526:
527:                if (log.isLoggable(Level.FINER))
528:                  log.log(Level.FINER, "returning item is null? "+(item == null));
529:
530:                return item;
531:              } catch (Exception e) {
532:                // jpa/0u0j
533:                if (_manager.isJPA() && (e instanceof ClassCastException))
534:                  throw new IllegalArgumentException(e);
535:
536:                throw AmberException.create(e);
537:              }
538:            }
539:             */
540:
541:            public EntityItem findEntityItem(AmberConnection aConn, Object key)
542:                    throws AmberException {
543:                if (_homeBean == null && _configException != null)
544:                    throw _configException;
545:
546:                Entity cacheEntity;
547:
548:                cacheEntity = (Entity) _homeBean.__caucho_home_find(aConn,
549:                        this , key);
550:
551:                if (cacheEntity != null)
552:                    return new CacheableEntityItem(this , cacheEntity);
553:                else
554:                    return null;
555:            }
556:
557:            /**
558:             * Loads an entity based on the primary key.
559:             *
560:             * @param key the primary key
561:             * @param aConn the Amber connection to associate with the loaded item
562:             * @param isLoad if true, try to load the bean
563:             */
564:            public EntityItem setEntityItem(Object key, EntityItem item)
565:                    throws AmberException {
566:                if (key == null)
567:                    throw new NullPointerException("primaryKey");
568:
569:                try {
570:                    item.getEntity().__caucho_setConnection(
571:                            _manager.getCacheConnection());
572:
573:                    return _manager.putEntity(getRootType(), key, item);
574:                } catch (Exception e) {
575:                    throw AmberException.create(e);
576:                }
577:            }
578:
579:            /**
580:             * Loads an entity where the type is determined by a discriminator
581:             *
582:             * @param aConn the connection to associate with the entity
583:             * @param key the primary key
584:             * @param discriminator the object's discriminator
585:             */
586:            public EntityItem findDiscriminatorEntityItem(
587:                    AmberConnection aConn, Object key, String discriminator)
588:                    throws SQLException {
589:                EntityItem item = null;
590:
591:                // jpa/0l20
592:                // XXX: ejb/0d01
593:                // if (aConn.shouldRetrieveFromCache())
594:                item = _manager.getEntity(getRootType(), key);
595:
596:                if (item == null) {
597:                    EntityType subEntity = (EntityType) _entityType
598:                            .getSubClass(discriminator);
599:
600:                    Entity cacheEntity = subEntity.createBean();
601:
602:                    cacheEntity.__caucho_setPrimaryKey(key);
603:                    cacheEntity.__caucho_makePersistent(_manager
604:                            .getCacheConnection(), subEntity);
605:
606:                    item = new CacheableEntityItem(this , cacheEntity);
607:
608:                    // The cache entity is added after commit.
609:                    if (!aConn.isActiveTransaction()) {
610:                        item = _manager.putEntity(getRootType(), key, item);
611:                    }
612:                }
613:
614:                return item;
615:            }
616:
617:            /**
618:             * Instantiates a new entity for this home.
619:             */
620:            public Entity newEntity(Object key) {
621:                return (Entity) _homeBean.__caucho_home_new(this , key, null,
622:                        null);
623:            }
624:
625:            /**
626:             * Loads an entity where the type is determined by a discriminator
627:             *
628:             * @param aConn the connection to associate with the entity
629:             * @param key the primary key
630:             * @param discriminator the object's discriminator
631:             */
632:            public Entity newDiscriminatorEntity(Object key,
633:                    String discriminator) {
634:                if (discriminator == null || key == null)
635:                    throw new AmberRuntimeException(L.l(
636:                            "{0} is not a valid inheritance key.", key));
637:
638:                EntityType subType = (EntityType) _entityType
639:                        .getSubClass(discriminator);
640:
641:                return subType.getHome().newEntity(key);
642:            }
643:
644:            /**
645:             * Finds by the primary key.
646:             */
647:            public Entity makePersistent(Entity entity, AmberConnection aConn,
648:                    boolean isLazy) throws SQLException {
649:                entity.__caucho_makePersistent(aConn, _entityType);
650:
651:                return entity;
652:            }
653:
654:            /**
655:             * Saves based on the object.
656:             */
657:            public void save(AmberConnection aConn, Entity entity)
658:                    throws SQLException {
659:                // Common to JPA and CMP.
660:                entity.__caucho_lazy_create(aConn, _entityType);
661:
662:                if (!_manager.isJPA())
663:                    entity.__caucho_create(aConn, _entityType);
664:            }
665:
666:            /**
667:             * Deletes by the primary key.
668:             */
669:            public void delete(AmberConnection aConn, Object key)
670:                    throws SQLException {
671:                _manager.removeEntity(getRootType(), key);
672:
673:                /*
674:                  _entityType.childDelete(aConn, key);
675:
676:                  // XXX: possibly move somewhere else?
677:                  synchronized (_cacheUpdates) {
678:                  for (int i = _cacheUpdates.size() - 1; i >= 0; i--) {
679:                  SoftReference<CacheUpdate> ref = _cacheUpdates.get(i);
680:                  CacheUpdate update = ref.get();
681:
682:                  if (update == null)
683:                  _cacheUpdates.remove(i);
684:                  else
685:                  update.delete(primaryKey);
686:                  }
687:                  }
688:                 */
689:            }
690:
691:            /**
692:             * Deletes by the primary key.
693:             */
694:            public void delete(AmberConnection aConn, long primaryKey)
695:                    throws SQLException {
696:                /*
697:                  _entityClass.childDelete(session, primaryKey);
698:
699:                  // XXX: possibly move somewhere else?
700:                  synchronized (_cacheUpdates) {
701:                  for (int i = _cacheUpdates.size() - 1; i >= 0; i--) {
702:                  SoftReference<CacheUpdate> ref = _cacheUpdates.get(i);
703:                  CacheUpdate update = ref.get();
704:
705:                  if (update == null)
706:                  _cacheUpdates.remove(i);
707:                  else
708:                  update.delete(primaryKey);
709:                  }
710:                  }
711:                 */
712:            }
713:
714:            /**
715:             * Update for a modification.
716:             */
717:            public void update(Entity entity) throws SQLException {
718:            }
719:
720:            /**
721:             * Adds a cache update.
722:             */
723:            public void addUpdate(CacheUpdate update) {
724:                _cacheUpdates.add(new SoftReference<CacheUpdate>(update));
725:            }
726:
727:            public String toString() {
728:                return "AmberEntityHome[" + _entityType + "]";
729:            }
730:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.