Home » Eclipse Projects » EclipseLink » PostLoad on a new instance?
| PostLoad on a new instance? [message #383031] |
Tue, 18 November 2008 12:21  |
 Tom Eugelink
Messages: 817
Registered: July 2009 |
Senior Member |
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I don't get this.
I've implemented a PostLoad event listener on Batchtransferline (in fact on the inherited AbstractBean, but that's just a detail). The intention is to hold on to some load-time values, so that at save time changes can easily be detected.
The Batchtransferline is then shown in a JTable. In the stacktrace below you see a call to:
BatchtransferToBatchtransferlineTableModelForEdit.setValueAt
This is the result of an articlenr being entered in a cell in the JTable and the corresponding Article entity is searched and found.
Moving up the trace one line; setting the article on the Batchtransferline also results in the Batchtransferline being added to the collection in Article.
That results in the collection being lazy loaded.
Now a whole bunch of EclipseLink stuff is happening and all of a sudden I'm in my PostLoad handler.
WTF? This is a newly created instance, how can I get in a PostLoad handler???
Thread [AWT-EventQueue-1] (Suspended (breakpoint at line 48 in Batchtransferline))
Batchtransferline.postLoadHook() line: 48
Batchtransferline(AbstractBean).postLoad() line: 222
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 39
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 25
Method.invoke(Object, Object...) line: 597
PrivilegedAccessHelper.invokeMethod(Method, Object, Object[]) line: 344
EntityClassListener(EntityListener).invokeMethod(Method, Object, Object[], DescriptorEvent) line: 297
EntityClassListener.invokeMethod(String, DescriptorEvent) line: 64
EntityClassListener(EntityListener).postBuild(DescriptorEven t) line: 370
DescriptorEventManager.notifyListener(DescriptorEventListene r, DescriptorEvent) line: 635
DescriptorEventManager.notifyEJB30Listeners(DescriptorEvent) line: 593
DescriptorEventManager.executeEvent(DescriptorEvent) line: 187
ObjectBuilder.buildAttributesIntoWorkingCopyClone(Object, ObjectBuildingQuery, JoinedAttributeManager, AbstractRecord, UnitOfWorkImpl, boolean) line: 1260
ObjectBuilder.buildWorkingCopyCloneFromRow(ObjectBuildingQue ry, JoinedAttributeManager, AbstractRecord, UnitOfWorkImpl, Vector) line: 1355
ObjectBuilder.buildObjectInUnitOfWork(ObjectBuildingQuery, JoinedAttributeManager, AbstractRecord, UnitOfWorkImpl, Vector, ClassDescriptor) line: 513
ObjectBuilder.buildObject(ObjectBuildingQuery, AbstractRecord, JoinedAttributeManager) line: 461
ObjectBuilder.buildObject(ObjectLevelReadQuery, AbstractRecord) line: 413
ReadAllQuery(ObjectLevelReadQuery).buildObject(AbstractRecor d) line: 521
ReadAllQuery.registerResultInUnitOfWork(Object, UnitOfWorkImpl, AbstractRecord, boolean) line: 893
ReadAllQuery.executeObjectLevelReadQuery() line: 486
ReadAllQuery(ObjectLevelReadQuery).executeDatabaseQuery() line: 879
ReadAllQuery(DatabaseQuery).execute(AbstractSession, AbstractRecord) line: 666
ReadAllQuery(ObjectLevelReadQuery).execute(AbstractSession, AbstractRecord) line: 840
ReadAllQuery.execute(AbstractSession, AbstractRecord) line: 456
ReadAllQuery(ObjectLevelReadQuery).executeInUnitOfWork(UnitO fWorkImpl, AbstractRecord) line: 902
RepeatableWriteUnitOfWork(UnitOfWorkImpl).internalExecuteQue ry(DatabaseQuery, AbstractRecord) line: 2587
RepeatableWriteUnitOfWork(AbstractSession).executeQuery(Data baseQuery, AbstractRecord, int) line: 1178
RepeatableWriteUnitOfWork(AbstractSession).executeQuery(Data baseQuery, AbstractRecord) line: 1162
QueryBasedValueHolder.instantiate(AbstractSession) line: 77
QueryBasedValueHolder.instantiate() line: 67
QueryBasedValueHolder(DatabaseValueHolder).getValue() line: 83
UnitOfWorkQueryValueHolder(UnitOfWorkValueHolder).instantiat eImpl() line: 161
UnitOfWorkQueryValueHolder(UnitOfWorkValueHolder).instantiat e() line: 230
UnitOfWorkQueryValueHolder(DatabaseValueHolder).getValue() line: 83
IndirectList.buildDelegate() line: 213
IndirectList.getDelegate() line: 379
IndirectList.contains(Object) line: 310
Article(Article).addBatchtransferlinesWhereIAmArticle(Batcht ransferline) line: 184
Batchtransferline(Batchtransferline).setArticle(Article) line: 87
BatchtransferToBatchtransferlineTableModelForEdit.setValueAt (Object, int, int) line: 158
TableSorterForEdit(TableSorter).setValueAt(Object, int, int) line: 369
BatchtransferToBatchtransferlineTableForEdit(JXTable).setVal ueAt(Object, int, int) line: 1396
BatchtransferToBatchtransferlineTableForEdit(JTable).editing Stopped(ChangeEvent) line: 4721
BatchtransferToBatchtransferlineTableForEdit(JTableForEdit). editingStopped(ChangeEvent) line: 523
ArticleTableCellEditor(AbstractCellEditor).fireEditingStoppe d() line: 125
ArticleTableCellEditor(AbstractCellEditor).stopCellEditing() line: 68
ArticleTableCellEditor(JpaEntityTableCellEditor<T>).stopCellEditing() line: 166
BasicTableUI$Actions.actionPerformed(ActionEvent) line: 475
SwingUtilities.notifyAction(Action, KeyStroke, KeyEvent, Object, int) line: 1636
BatchtransferToBatchtransferlineTableForEdit(JComponent).pro cessKeyBinding(KeyStroke, KeyEvent, int, boolean) line: 2849
BatchtransferToBatchtransferlineTableForEdit(JTable).process KeyBinding(KeyStroke, KeyEvent, int, boolean) line: 5256
BatchtransferToBatchtransferlineTableForEdit(JTableForEdit). processKeyBinding(KeyStroke, KeyEvent, int, boolean) line: 325
JTextField<T>(JComponent).processKeyBindings(KeyEvent, boolean) line: 2895
JTextField<T>(JComponent).processKeyEvent(KeyEvent) line: 2812
JTextField<T>.processKeyEvent(KeyEvent) line: 449
JTextField<T>(Component).processEvent(AWTEvent) line: 5911
JTextField<T>(Container).processEvent(AWTEvent) line: 2023
JTextField<T>(Component).dispatchEventImpl(AWTEvent) line: 4501
JTextField<T>(Container).dispatchEventImpl(AWTEvent) line: 2081
JTextField<T>(Component).dispatchEvent(AWTEvent) line: 4331
DefaultKeyboardFocusManager(KeyboardFocusManager).redispatch Event(Component, AWTEvent) line: 1848
DefaultKeyboardFocusManager.dispatchKeyEvent(KeyEvent) line: 704
DefaultKeyboardFocusManager.preDispatchKeyEvent(KeyEvent) line: 969
DefaultKeyboardFocusManager.typeAheadAssertions(Component, AWTEvent) line: 841
DefaultKeyboardFocusManager.dispatchEvent(AWTEvent) line: 668
JFrame(Component).dispatchEventImpl(AWTEvent) line: 4373
JFrame(Container).dispatchEventImpl(AWTEvent) line: 2081
JFrame(Window).dispatchEventImpl(AWTEvent) line: 2458
JFrame(Component).dispatchEvent(AWTEvent) line: 4331
EventQueue(EventQueue).dispatchEvent(AWTEvent) line: 599
EventQueue.dispatchEvent(AWTEvent) line: 83
EventDispatchThread.pumpOneEventForFilters(int) line: 269
EventDispatchThread.pumpEventsForFilter(int, Conditional, EventFilter) line: 184
EventDispatchThread.pumpEventsForHierarchy(int, Conditional, Component) line: 174
EventDispatchThread.pumpEvents(int, Conditional) line: 169
EventDispatchThread.pumpEvents(Conditional) line: 161
EventDispatchThread.run() line: 122
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