Package com.db4o.internal.events

Class EventRegistryImpl

java.lang.Object

com.db4o.internal.events.EventRegistryImpl

All Implemented Interfaces:

EventRegistry, Callbacks

Direct Known Subclasses:

ClientEventRegistryImpl

public class EventRegistryImpl
extends java.lang.Object
implements Callbacks, EventRegistry

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	EventRegistryImpl.CommittedEvent

Field Summary

Fields

Modifier and Type	Field	Description
protected Event4Impl	_activated
protected Event4Impl	_activating
protected Event4Impl	_classRegistered
protected Event4Impl	_closing
protected Event4Impl	_committed
protected Event4Impl	_committing
protected Event4Impl	_created
protected Event4Impl	_creating
protected Event4Impl	_deactivated
protected Event4Impl	_deactivating
protected Event4Impl	_deleted
protected Event4Impl	_deleting
protected Event4Impl	_instantiated
protected Event4Impl	_opened
protected Event4Impl	_queryFinished
protected Event4Impl	_queryStarted
protected Event4Impl	_updated
protected Event4Impl	_updating

Constructor Summary

Constructors

Constructor	Description
EventRegistryImpl()

Method Summary

Modifier and Type	Method	Description
Event4	activated()	This event is fired after an object is activated.
Event4	activating()	This event is fired before an object is activated.
boolean	caresAboutCommitted()
boolean	caresAboutCommitting()
boolean	caresAboutDeleted()
boolean	caresAboutDeleting()
void	classOnRegistered(ClassMetadata clazz)
Event4	classRegistered()	This event is fired when a new class is registered with metadata.
void	closeOnStarted(ObjectContainer container)
Event4	closing()	This event is fired when the ObjectContainer.close() is called.
void	commitOnCompleted(Transaction transaction, CallbackObjectInfoCollections objectInfoCollections, boolean isOwnCommit)
void	commitOnStarted(Transaction transaction, CallbackObjectInfoCollections objectInfoCollections)
Event4	committed()	This event is fired after a transaction has been committed.
Event4	committing()	This event is fired just before a transaction is committed.
Event4	created()	This event is fired after an object is created (saved for the first time).
Event4	creating()	This event is fired before an object is saved for the first time.
Event4	deactivated()	This event is fired after an object is deactivated.
Event4	deactivating()	This event is fired before an object is deactivated.
Event4	deleted()	This event is fired after an object is deleted.
Event4	deleting()	This event is fired before an object is deleted.
static boolean	inCallback(InternalObjectContainer container)
Event4	instantiated()	This event is fired when a persistent object is instantiated.
boolean	objectCanActivate(Transaction transaction, java.lang.Object obj)
boolean	objectCanDeactivate(Transaction transaction, ObjectInfo objectInfo)
boolean	objectCanDelete(Transaction transaction, ObjectInfo objectInfo)
boolean	objectCanNew(Transaction transaction, java.lang.Object obj)
boolean	objectCanUpdate(Transaction transaction, ObjectInfo objectInfo)
void	objectOnActivate(Transaction transaction, ObjectInfo obj)
void	objectOnDeactivate(Transaction transaction, ObjectInfo obj)
void	objectOnDelete(Transaction transaction, ObjectInfo obj)
void	objectOnInstantiate(Transaction transaction, ObjectInfo obj)
void	objectOnNew(Transaction transaction, ObjectInfo obj)
void	objectOnUpdate(Transaction transaction, ObjectInfo obj)
protected void	onCommittedListenerAdded()
Event4<ObjectContainerEventArgs>	opened()	This event is fired when the ObjectContainer has finished its startup procedure.
void	openOnFinished(ObjectContainer container)
Event4	queryFinished()	This event is fired upon a query end and can be used to gather query statistics.
void	queryOnFinished(Transaction transaction, Query query)
void	queryOnStarted(Transaction transaction, Query query)
Event4	queryStarted()	This event is fired upon a query start and can be used to gather query statistics.
Event4	updated()	This event is fired after an object is updated.
Event4	updating()	This event is fired before an object is updated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_queryStarted

protected final Event4Impl _queryStarted

_queryFinished

protected final Event4Impl _queryFinished

_creating

protected final Event4Impl _creating

_activating

protected final Event4Impl _activating

_updating

protected final Event4Impl _updating

_deleting

protected final Event4Impl _deleting

_deactivating

protected final Event4Impl _deactivating

_created

protected final Event4Impl _created

_activated

protected final Event4Impl _activated

_updated

protected final Event4Impl _updated

_deleted

protected final Event4Impl _deleted

_deactivated

protected final Event4Impl _deactivated

_committing

protected final Event4Impl _committing

_committed

protected final Event4Impl _committed

_instantiated

protected final Event4Impl _instantiated

_classRegistered

protected final Event4Impl _classRegistered

_closing

protected final Event4Impl _closing

_opened

protected final Event4Impl _opened

Constructor Detail

EventRegistryImpl

public EventRegistryImpl()

Method Detail

queryOnFinished

public void queryOnFinished(Transaction transaction,
                            Query query)

Specified by:

queryOnFinished in interface Callbacks

queryOnStarted

public void queryOnStarted(Transaction transaction,
                           Query query)

Specified by:

queryOnStarted in interface Callbacks

objectCanNew

public boolean objectCanNew(Transaction transaction,
                            java.lang.Object obj)

Specified by:

objectCanNew in interface Callbacks

objectCanActivate

public boolean objectCanActivate(Transaction transaction,
                                 java.lang.Object obj)

Specified by:

objectCanActivate in interface Callbacks

objectCanUpdate

public boolean objectCanUpdate(Transaction transaction,
                               ObjectInfo objectInfo)

Specified by:

objectCanUpdate in interface Callbacks

objectCanDelete

public boolean objectCanDelete(Transaction transaction,
                               ObjectInfo objectInfo)

Specified by:

objectCanDelete in interface Callbacks

objectCanDeactivate

public boolean objectCanDeactivate(Transaction transaction,
                                   ObjectInfo objectInfo)

Specified by:

objectCanDeactivate in interface Callbacks

objectOnActivate

public void objectOnActivate(Transaction transaction,
                             ObjectInfo obj)

Specified by:

objectOnActivate in interface Callbacks

objectOnNew

public void objectOnNew(Transaction transaction,
                        ObjectInfo obj)

Specified by:

objectOnNew in interface Callbacks

objectOnUpdate

public void objectOnUpdate(Transaction transaction,
                           ObjectInfo obj)

Specified by:

objectOnUpdate in interface Callbacks

objectOnDelete

public void objectOnDelete(Transaction transaction,
                           ObjectInfo obj)

Specified by:

objectOnDelete in interface Callbacks

classOnRegistered

public void classOnRegistered(ClassMetadata clazz)

Specified by:

classOnRegistered in interface Callbacks

objectOnDeactivate

public void objectOnDeactivate(Transaction transaction,
                               ObjectInfo obj)

Specified by:

objectOnDeactivate in interface Callbacks

objectOnInstantiate

public void objectOnInstantiate(Transaction transaction,
                                ObjectInfo obj)

Specified by:

objectOnInstantiate in interface Callbacks

commitOnStarted

public void commitOnStarted(Transaction transaction,
                            CallbackObjectInfoCollections objectInfoCollections)

Specified by:

commitOnStarted in interface Callbacks

commitOnCompleted

public void commitOnCompleted(Transaction transaction,
                              CallbackObjectInfoCollections objectInfoCollections,
                              boolean isOwnCommit)

Specified by:

commitOnCompleted in interface Callbacks

closeOnStarted

public void closeOnStarted(ObjectContainer container)

Specified by:

closeOnStarted in interface Callbacks

openOnFinished

public void openOnFinished(ObjectContainer container)

Specified by:

openOnFinished in interface Callbacks

queryFinished

public Event4 queryFinished()

Description copied from interface: EventRegistry

This event is fired upon a query end and can be used to gather query statistics. The query object is available from QueryEventArgs event parameter.

Specified by:

queryFinished in interface EventRegistry

Returns:

event

See Also:

QueryEventArgs

queryStarted

public Event4 queryStarted()

Description copied from interface: EventRegistry

This event is fired upon a query start and can be used to gather query statistics. The query object is available from QueryEventArgs event parameter.

Specified by:

queryStarted in interface EventRegistry

Returns:

event

See Also:

QueryEventArgs

creating

public Event4 creating()

Description copied from interface: EventRegistry

This event is fired before an object is saved for the first time. The object can be obtained from CancellableObjectEventArgs event parameter. The action can be cancelled using CancellableObjectEventArgs.cancel()

Specified by:

creating in interface EventRegistry

Returns:

event

See Also:

CancellableObjectEventArgs, ObjectContainer.store(Object)

activating

public Event4 activating()

Description copied from interface: EventRegistry

This event is fired before an object is activated. The object can be obtained from CancellableObjectEventArgs event parameter. The action can be cancelled using CancellableObjectEventArgs.cancel()

Specified by:

activating in interface EventRegistry

Returns:

event

See Also:

CancellableObjectEventArgs, ObjectContainer.activate(Object, int)

updating

public Event4 updating()

Description copied from interface: EventRegistry

This event is fired before an object is updated. The object can be obtained from CancellableObjectEventArgs event parameter. The action can be cancelled using CancellableObjectEventArgs.cancel()

Specified by:

updating in interface EventRegistry

Returns:

event

See Also:

CancellableObjectEventArgs, ObjectContainer.store(Object)

deleting

public Event4 deleting()

Description copied from interface: EventRegistry

This event is fired before an object is deleted. The object can be obtained from CancellableObjectEventArgs event parameter. The action can be cancelled using CancellableObjectEventArgs.cancel()

Note, that this event is not available in networked client/server mode and will throw an exception when attached to a client ObjectContainer.

Specified by:

deleting in interface EventRegistry

Returns:

event

See Also:

CancellableObjectEventArgs, ObjectContainer.delete(Object)

deactivating

public Event4 deactivating()

Description copied from interface: EventRegistry

This event is fired before an object is deactivated. The object can be obtained from CancellableObjectEventArgs event parameter. The action can be cancelled using CancellableObjectEventArgs.cancel()

Specified by:

deactivating in interface EventRegistry

Returns:

event

See Also:

CancellableObjectEventArgs, ObjectContainer.deactivate(Object, int)

created

public Event4 created()

Description copied from interface: EventRegistry

This event is fired after an object is created (saved for the first time). The object can be obtained from the ObjectInfoEventArgs event parameter.

The event can be used to trigger some post-creation functionality.

Specified by:

created in interface EventRegistry

Returns:

event

See Also:

ObjectEventArgs, ObjectContainer.store(Object)

activated

public Event4 activated()

Description copied from interface: EventRegistry

This event is fired after an object is activated. The object can be obtained from the ObjectInfoEventArgs event parameter.

The event can be used to trigger some post-activation functionality.

Specified by:

activated in interface EventRegistry

Returns:

event

See Also:

ObjectInfoEventArgs, ObjectContainer.activate(Object, int)

updated

public Event4 updated()

Description copied from interface: EventRegistry

This event is fired after an object is updated. The object can be obtained from the ObjectInfoEventArgs event parameter.

The event can be used to trigger some post-update functionality.

Specified by:

updated in interface EventRegistry

Returns:

event

See Also:

ObjectInfoEventArgs, ObjectContainer.store(Object)

deleted

public Event4 deleted()

Description copied from interface: EventRegistry

This event is fired after an object is deleted. The object can be obtained from the ObjectInfoEventArgs event parameter.

The event can be used to trigger some post-deletion functionality.

Note, that this event is not available in networked client/server mode and will throw an exception when attached to a client ObjectContainer.

Specified by:

deleted in interface EventRegistry

Returns:

event

See Also:

ObjectEventArgs, ObjectContainer.delete(Object)

deactivated

public Event4 deactivated()

Description copied from interface: EventRegistry

This event is fired after an object is deactivated. The object can be obtained from the ObjectInfoEventArgs event parameter.

The event can be used to trigger some post-deactivation functionality.

Specified by:

deactivated in interface EventRegistry

Returns:

event

See Also:

ObjectEventArgs, ObjectContainer.delete(Object)

committing

public Event4 committing()

Description copied from interface: EventRegistry

This event is fired just before a transaction is committed. The transaction and a list of the modified objects can be obtained from the CommitEventArgs event parameter.

Committing event gives a user a chance to interrupt the commit and rollback the transaction.

Specified by:

committing in interface EventRegistry

Returns:

event

See Also:

CommitEventArgs, ObjectContainer.commit()

committed

public Event4 committed()

Description copied from interface: EventRegistry

This event is fired after a transaction has been committed. The transaction and a list of the modified objects can be obtained from the CommitEventArgs event parameter.

The event can be used to trigger some post-commit functionality.

Specified by:

committed in interface EventRegistry

Returns:

event

See Also:

CommitEventArgs, ObjectContainer.commit()

classRegistered

public Event4 classRegistered()

Description copied from interface: EventRegistry

This event is fired when a new class is registered with metadata. The class information can be obtained from ClassEventArgs event parameter.

Specified by:

classRegistered in interface EventRegistry

Returns:

event

See Also:

ClassEventArgs

instantiated

public Event4 instantiated()

Description copied from interface: EventRegistry

This event is fired when a persistent object is instantiated. The object can be obtained from the ObjectInfoEventArgs event parameter.

Specified by:

instantiated in interface EventRegistry

Returns:

event

See Also:

ObjectInfoEventArgs

closing

public Event4 closing()

Description copied from interface: EventRegistry

This event is fired when the ObjectContainer.close() is called.

Specified by:

closing in interface EventRegistry

Returns:

event

onCommittedListenerAdded

protected void onCommittedListenerAdded()

caresAboutCommitting

public boolean caresAboutCommitting()

Specified by:

caresAboutCommitting in interface Callbacks

caresAboutCommitted

public boolean caresAboutCommitted()

Specified by:

caresAboutCommitted in interface Callbacks

caresAboutDeleting

public boolean caresAboutDeleting()

Specified by:

caresAboutDeleting in interface Callbacks

caresAboutDeleted

public boolean caresAboutDeleted()

Specified by:

caresAboutDeleted in interface Callbacks

opened

public Event4<ObjectContainerEventArgs> opened()

Description copied from interface: EventRegistry

This event is fired when the ObjectContainer has finished its startup procedure.

Specified by:

opened in interface EventRegistry

Returns:

event

inCallback

public static boolean inCallback(InternalObjectContainer container)