## 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
`static class` `AbstractSaveEventListener.EntityState`

Constructor Summary
`AbstractSaveEventListener()`

Method Summary
`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()

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