public final class

TwoPhaseLoad

extends Object
java.lang.Object
   ↳ org.hibernate.engine.TwoPhaseLoad

Class Overview

Functionality relating to Hibernate's two-phase loading process, that may be reused by persisters that do not use the Loader framework

Summary

Public Methods
static void addUninitializedCachedEntity(EntityKey key, Object object, EntityPersister persister, LockMode lockMode, boolean lazyPropertiesAreUnfetched, Object version, SessionImplementor session)
static void addUninitializedEntity(EntityKey key, Object object, EntityPersister persister, LockMode lockMode, boolean lazyPropertiesAreUnfetched, SessionImplementor session)
Add an uninitialized instance of an entity class, as a placeholder to ensure object identity.
static void initializeEntity(Object entity, boolean readOnly, SessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent)
Perform the second step of 2-phase load.
static void postHydrate(EntityPersister persister, Serializable id, Object[] values, Object rowId, Object object, LockMode lockMode, boolean lazyPropertiesAreUnfetched, SessionImplementor session)
Register the "hydrated" state of an entity instance, after the first step of 2-phase loading.
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Inherited Methods
From class java.lang.Object

Public Methods

public static void addUninitializedCachedEntity (EntityKey key, Object object, EntityPersister persister, LockMode lockMode, boolean lazyPropertiesAreUnfetched, Object version, SessionImplementor session)

public static void addUninitializedEntity (EntityKey key, Object object, EntityPersister persister, LockMode lockMode, boolean lazyPropertiesAreUnfetched, SessionImplementor session)

Add an uninitialized instance of an entity class, as a placeholder to ensure object identity. Must be called before postHydrate(). Create a "temporary" entry for a newly instantiated entity. The entity is uninitialized, but we need the mapping from id to instance in order to guarantee uniqueness.

public static void initializeEntity (Object entity, boolean readOnly, SessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent)

Perform the second step of 2-phase load. Fully initialize the entity instance. After processing a JDBC result set, we "resolve" all the associations between the entities which were instantiated and had their state "hydrated" into an array

public static void postHydrate (EntityPersister persister, Serializable id, Object[] values, Object rowId, Object object, LockMode lockMode, boolean lazyPropertiesAreUnfetched, SessionImplementor session)

Register the "hydrated" state of an entity instance, after the first step of 2-phase loading. Add the "hydrated state" (an array) of an uninitialized entity to the session. We don't try to resolve any associations yet, because there might be other entities waiting to be read from the JDBC result set we are currently processing