org.eclipse.persistence.platform.database.events

Interface DatabaseEventListener

All Known Subinterfaces:

DescriptorBasedDatabaseEventListener

public interface DatabaseEventListener

PUBLIC: Defines the API for integration with a database event notification service. This allows the EclipseLink cache to be invalidated by database change events. This is used to support Oracle DCN (Database Change event Notification), but could also be used by triggers or other services.

See Also:

DatabaseChangeNotificationType

Author:

James Sutherland

Since:

EclipseLink 2.4

Method Summary

Modifier and Type	Method and Description
void	initialize(ClassDescriptor descriptor, org.eclipse.persistence.internal.sessions.AbstractSession session) Initialize the descriptor to receive database change events.
void	register(Session session) Register for database change events and invalidate the session's cache.
void	remove(Session session) Remove registration from database change events.

Method Detail

register

void register(Session session)

Register for database change events and invalidate the session's cache. This is called on session login.

remove

void remove(Session session)

Remove registration from database change events. This is called on session logout.

initialize

void initialize(ClassDescriptor descriptor,
                org.eclipse.persistence.internal.sessions.AbstractSession session)

Initialize the descriptor to receive database change events. This is called when the descriptor is initialized.