org.hibernate.event.internal

Class AbstractSaveEventListener

java.lang.Object

org.hibernate.event.internal.AbstractReassociateEventListener

org.hibernate.event.internal.AbstractSaveEventListener

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

DefaultMergeEventListener, DefaultPersistEventListener, DefaultReplicateEventListener, DefaultSaveOrUpdateEventListener

public abstract class AbstractSaveEventListener
extends AbstractReassociateEventListener

A convenience bas class for listeners responding to save events.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractSaveEventListener.EntityState

Constructor Summary

Constructors

Constructor and Description
AbstractSaveEventListener()

Method Summary

Modifier and Type	Method and Description
protected void	cascadeAfterSave(EventSource source, EntityPersister persister, Object entity, Object anything) Handles to calls needed to perform post-save cascades.
protected void	cascadeBeforeSave(EventSource source, EntityPersister persister, Object entity, Object anything) Handles the calls needed to perform pre-save cascades for the given entity.
protected Boolean	getAssumedUnsaved()
protected abstract CascadingAction	getCascadeAction()
protected AbstractSaveEventListener.EntityState	getEntityState(Object entity, String entityName, EntityEntry entry, SessionImplementor source) Determine whether the entity is persistent, detached, or transient
protected String	getLoggableName(String entityName, Object entity)
protected Map	getMergeMap(Object anything)
protected boolean	invokeSaveLifecycle(Object entity, EntityPersister persister, EventSource source)
protected boolean	isVersionIncrementDisabled() After the save, will te version number be incremented if the instance is modified?
protected Serializable	performSave(Object entity, Serializable id, EntityPersister persister, boolean useIdentityColumn, Object anything, EventSource source, boolean requiresImmediateIdAccess) Prepares the save call by checking the session caches for a pre-existing entity and performing any lifecycle callbacks.
protected Serializable	performSaveOrReplicate(Object entity, EntityKey key, EntityPersister persister, boolean useIdentityColumn, Object anything, EventSource source, boolean requiresImmediateIdAccess) Performs all the actual work needed to save an entity (well to get the save moved to the execution queue).
protected Serializable	saveWithGeneratedId(Object entity, String entityName, Object anything, EventSource source, boolean requiresImmediateIdAccess) Prepares the save call using a newly generated id.
protected Serializable	saveWithRequestedId(Object entity, Serializable requestedId, String entityName, Object anything, EventSource source) Prepares the save call using the given requested id.
protected boolean	substituteValuesIfNecessary(Object entity, Serializable id, Object[] values, EntityPersister persister, SessionImplementor source) Perform any property value substitution that is necessary (interceptor callback, version initialization...)
protected boolean	visitCollectionsBeforeSave(Object entity, Serializable id, Object[] values, Type[] types, EventSource source)

Methods inherited from class org.hibernate.event.internal.AbstractReassociateEventListener

reassociate

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSaveEventListener

public AbstractSaveEventListener()

Method Detail

saveWithRequestedId

protected Serializable saveWithRequestedId(Object entity,
                                           Serializable requestedId,
                                           String entityName,
                                           Object anything,
                                           EventSource source)

Prepares the save call using the given requested id.

Parameters:

entity - The entity to be saved.

requestedId - The id to which to associate the entity.

entityName - The name of the entity being saved.

anything - Generally cascade-specific information.

source - The session which is the source of this save event.

Returns:

The id used to save the entity.

saveWithGeneratedId

protected Serializable saveWithGeneratedId(Object entity,
                                           String entityName,
                                           Object anything,
                                           EventSource source,
                                           boolean requiresImmediateIdAccess)

Prepares the save call using a newly generated id.

Parameters:

entity - The entity to be saved

entityName - The entity-name for the entity to be saved

anything - Generally cascade-specific information.

source - The session which is the source of this save event.

requiresImmediateIdAccess - does the event context require access to the identifier immediately after execution of this method (if not, post-insert style id generators may be postponed if we are outside a transaction).

Returns:

The id used to save the entity; may be null depending on the type of id generator used and the requiresImmediateIdAccess value

performSave

protected Serializable performSave(Object entity,
                                   Serializable id,
                                   EntityPersister persister,
                                   boolean useIdentityColumn,
                                   Object anything,
                                   EventSource source,
                                   boolean requiresImmediateIdAccess)

Prepares the save call by checking the session caches for a pre-existing entity and performing any lifecycle callbacks.

Parameters:

entity - The entity to be saved.

id - The id by which to save the entity.

persister - The entity's persister instance.

useIdentityColumn - Is an identity column being used?

anything - Generally cascade-specific information.

source - The session from which the event originated.

requiresImmediateIdAccess - does the event context require access to the identifier immediately after execution of this method (if not, post-insert style id generators may be postponed if we are outside a transaction).

Returns:

The id used to save the entity; may be null depending on the type of id generator used and the requiresImmediateIdAccess value

invokeSaveLifecycle

protected boolean invokeSaveLifecycle(Object entity,
                                      EntityPersister persister,
                                      EventSource source)

performSaveOrReplicate

protected Serializable performSaveOrReplicate(Object entity,
                                              EntityKey key,
                                              EntityPersister persister,
                                              boolean useIdentityColumn,
                                              Object anything,
                                              EventSource source,
                                              boolean requiresImmediateIdAccess)

Performs all the actual work needed to save an entity (well to get the save moved to the execution queue).

Parameters:

entity - The entity to be saved

key - The id to be used for saving the entity (or null, in the case of identity columns)

persister - The entity's persister instance.

useIdentityColumn - Should an identity column be used for id generation?

anything - Generally cascade-specific information.

source - The session which is the source of the current event.

requiresImmediateIdAccess - Is access to the identifier required immediately after the completion of the save? persist(), for example, does not require this...

Returns:

The id used to save the entity; may be null depending on the type of id generator used and the requiresImmediateIdAccess value

getMergeMap

protected Map getMergeMap(Object anything)

isVersionIncrementDisabled

protected boolean isVersionIncrementDisabled()

After the save, will te version number be incremented if the instance is modified?

Returns:

True if the version will be incremented on an entity change after save; false otherwise.

visitCollectionsBeforeSave

protected boolean visitCollectionsBeforeSave(Object entity,
                                             Serializable id,
                                             Object[] values,
                                             Type[] types,
                                             EventSource source)

substituteValuesIfNecessary

protected boolean substituteValuesIfNecessary(Object entity,
                                              Serializable id,
                                              Object[] values,
                                              EntityPersister persister,
                                              SessionImplementor source)

Perform any property value substitution that is necessary (interceptor callback, version initialization...)

Parameters:

entity - The entity

id - The entity identifier

values - The snapshot entity state

persister - The entity persister

source - The originating session

Returns:

True if the snapshot state changed such that reinjection of the values into the entity is required.

cascadeBeforeSave

protected void cascadeBeforeSave(EventSource source,
                                 EntityPersister persister,
                                 Object entity,
                                 Object anything)

Handles the calls needed to perform pre-save cascades for the given entity.

Parameters:

source - The session from whcih the save event originated.

persister - The entity's persister instance.

entity - The entity to be saved.

anything - Generally cascade-specific data

cascadeAfterSave

protected void cascadeAfterSave(EventSource source,
                                EntityPersister persister,
                                Object entity,
                                Object anything)

Handles to calls needed to perform post-save cascades.

Parameters:

source - The session from which the event originated.

persister - The entity's persister instance.

entity - The entity beng saved.

anything - Generally cascade-specific data

getCascadeAction

protected abstract CascadingAction getCascadeAction()

getEntityState

protected AbstractSaveEventListener.EntityState getEntityState(Object entity,
                                                               String entityName,
                                                               EntityEntry entry,
                                                               SessionImplementor source)

Determine whether the entity is persistent, detached, or transient

Parameters:

entity - The entity to check

entityName - The name of the entity

entry - The entity's entry in the persistence context

source - The originating session.

Returns:

The state.

getLoggableName

protected String getLoggableName(String entityName,
                                 Object entity)

getAssumedUnsaved

protected Boolean getAssumedUnsaved()