DefaultFlushEntityEventListener (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.event.def
Class DefaultFlushEntityEventListener

java.lang.Object
  org.hibernate.event.def.DefaultFlushEntityEventListener

All Implemented Interfaces:: FlushEntityEventListener, Serializable

public class DefaultFlushEntityEventListener
extends Object
implements FlushEntityEventListener

An event that occurs for each entity instance at flush time

Author:: Gavin King
See Also:: Serialized Form

Constructor Summary

DefaultFlushEntityEventListener()


Method Summary

void checkId(Object object, EntityPersister persister, Serializable id, EntityMode entityMode)
          make sure user didn't mangle the id

protected void dirtyCheck(FlushEntityEvent event)
          Perform a dirty check, and attach the results to the event

protected boolean handleInterception(FlushEntityEvent event)


protected boolean invokeInterceptor(SessionImplementor session, Object entity, EntityEntry entry, Object[] values, EntityPersister persister)


protected boolean isUpdateNecessary(FlushEntityEvent event)
          Performs all necessary checking to determine if an entity needs an SQL update to synchronize its state to the database.

void onFlushEntity(FlushEntityEvent event)
          Flushes a single entity's state to the database, by scheduling an update action, if necessary

protected void validate(Object entity, EntityPersister persister, Status status, EntityMode entityMode)


Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFlushEntityEventListener

public DefaultFlushEntityEventListener()

Method Detail

checkId

public void checkId(Object object,
                    EntityPersister persister,
                    Serializable id,
                    EntityMode entityMode)
             throws HibernateException

make sure user didn't mangle the id

Throws:: HibernateException

onFlushEntity

public void onFlushEntity(FlushEntityEvent event)
                   throws HibernateException

Flushes a single entity's state to the database, by scheduling an update action, if necessary

Specified by:: onFlushEntity in interface FlushEntityEventListener

Throws:: HibernateException

validate

protected void validate(Object entity,
                        EntityPersister persister,
                        Status status,
                        EntityMode entityMode)

handleInterception

protected boolean handleInterception(FlushEntityEvent event)

invokeInterceptor

protected boolean invokeInterceptor(SessionImplementor session,
                                    Object entity,
                                    EntityEntry entry,
                                    Object[] values,
                                    EntityPersister persister)

isUpdateNecessary

protected final boolean isUpdateNecessary(FlushEntityEvent event)
                                   throws HibernateException

Performs all necessary checking to determine if an entity needs an SQL update to synchronize its state to the database. Modifies the event by side-effect! Note: this method is quite slow, avoid calling if possible!

Throws:: HibernateException

dirtyCheck

protected void dirtyCheck(FlushEntityEvent event)
                   throws HibernateException

Perform a dirty check, and attach the results to the event

Throws:: HibernateException