Package org.hibernate.loader.entity.plan

Class BatchingEntityLoader

java.lang.Object

org.hibernate.loader.entity.plan.BatchingEntityLoader

All Implemented Interfaces:

UniqueEntityLoader

Direct Known Subclasses:

DynamicBatchingEntityLoader, LegacyBatchingEntityLoaderBuilder.LegacyBatchingEntityLoader, PaddedBatchingEntityLoader

public abstract class BatchingEntityLoader
extends Object
implements UniqueEntityLoader

The base contract for UniqueEntityLoader implementations capable of performing batch-fetch loading of entities using multiple primary key values in the SQL WHERE clause.

Typically these are

See Also:

BatchingEntityLoaderBuilder, UniqueEntityLoader

Constructor Summary

Constructors

Constructor	Description
BatchingEntityLoader(EntityPersister persister)

Method Summary

Modifier and Type	Method	Description
protected QueryParameters	buildQueryParameters(Serializable id, Serializable[] ids, Object optionalObject, LockOptions lockOptions)
protected Object	doBatchLoad(Serializable id, Loader loaderToUse, SharedSessionContractImplementor session, Serializable[] ids, Object optionalObject, LockOptions lockOptions)
protected Object	getObjectFromList(List results, Serializable id, SharedSessionContractImplementor session)
Object	load(Serializable id, Object optionalObject, SharedSessionContractImplementor session)	Load an entity instance.
EntityPersister	persister()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.loader.entity.UniqueEntityLoader

load, load, load, load

Constructor Detail

BatchingEntityLoader

public BatchingEntityLoader(EntityPersister persister)

Method Detail

persister

public EntityPersister persister()

load

public Object load(Serializable id,
                   Object optionalObject,
                   SharedSessionContractImplementor session)

Description copied from interface: UniqueEntityLoader

Load an entity instance. If optionalObject is supplied, load the entity state into the given (uninitialized) object.

Specified by:

load in interface UniqueEntityLoader

buildQueryParameters

protected QueryParameters buildQueryParameters(Serializable id,
                                               Serializable[] ids,
                                               Object optionalObject,
                                               LockOptions lockOptions)

getObjectFromList

protected Object getObjectFromList(List results,
                                   Serializable id,
                                   SharedSessionContractImplementor session)

doBatchLoad

protected Object doBatchLoad(Serializable id,
                             Loader loaderToUse,
                             SharedSessionContractImplementor session,
                             Serializable[] ids,
                             Object optionalObject,
                             LockOptions lockOptions)