org.hibernate.loader.plan.spi

Class AbstractFetchOwner

java.lang.Object

org.hibernate.loader.plan.spi.AbstractPlanNode

org.hibernate.loader.plan.spi.AbstractFetchOwner

All Implemented Interfaces:

FetchOwner

Direct Known Subclasses:

AbstractLoadPlanBuilderStrategy.AbstractIdentifierAttributeCollector, AbstractSingularAttributeFetch, CompositeElementGraph, CompositeIndexGraph, EntityElementGraph, EntityIndexGraph, EntityReturn

public abstract class AbstractFetchOwner
extends AbstractPlanNode
implements FetchOwner

This is a class for fetch owners, providing functionality related to the owned fetches.

Field Summary

Fields inherited from interface org.hibernate.loader.plan.spi.FetchOwner

NO_FETCHES

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFetchOwner(AbstractFetchOwner original, CopyContext copyContext) A "copy" constructor.
	AbstractFetchOwner(SessionFactoryImplementor factory)

Method Summary

Methods

Modifier and Type	Method and Description
void	addFetch(Fetch fetch) Contract to add fetches to this owner.
CollectionFetch	buildCollectionFetch(AssociationAttributeDefinition attributeDefinition, FetchStrategy fetchStrategy, LoadPlanBuildingContext loadPlanBuildingContext)
CompositeFetch	buildCompositeFetch(CompositionDefinition attributeDefinition, LoadPlanBuildingContext loadPlanBuildingContext)
EntityFetch	buildEntityFetch(AssociationAttributeDefinition attributeDefinition, FetchStrategy fetchStrategy, LoadPlanBuildingContext loadPlanBuildingContext)
String[]	getColumnNames(Fetch fetch) Returns the column names used for loading the specified fetch.
Fetch[]	getFetches() Retrieve the fetches owned by this return.
protected abstract FetchOwnerDelegate	getFetchOwnerDelegate() Abstract method returning the delegate for obtaining details about an owned fetch.
Type	getType(Fetch fetch) Returns the type of the specified fetch.
boolean	isNullable(Fetch fetch) Is the specified fetch nullable?

Methods inherited from class org.hibernate.loader.plan.spi.AbstractPlanNode

sessionFactory

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.plan.spi.FetchOwner

getPropertyPath, retrieveFetchSourcePersister, validateFetchPlan

Constructor Detail

AbstractFetchOwner

public AbstractFetchOwner(SessionFactoryImplementor factory)

AbstractFetchOwner

protected AbstractFetchOwner(AbstractFetchOwner original,
                  CopyContext copyContext)

A "copy" constructor. Used while making clones/copies of this.

Parameters:

original - - the original object to copy.

copyContext - - the copy context.

Method Detail

addFetch

public void addFetch(Fetch fetch)

Description copied from interface: FetchOwner

Contract to add fetches to this owner. Care should be taken in calling this method; it is intended for Hibernate usage

Specified by:

addFetch in interface FetchOwner

Parameters:

fetch - The fetch to add

getFetches

public Fetch[] getFetches()

Description copied from interface: FetchOwner

Retrieve the fetches owned by this return.

Specified by:

getFetches in interface FetchOwner

Returns:

The owned fetches.

getFetchOwnerDelegate

protected abstract FetchOwnerDelegate getFetchOwnerDelegate()

Abstract method returning the delegate for obtaining details about an owned fetch.

Returns:

the delegate

isNullable

public boolean isNullable(Fetch fetch)

Description copied from interface: FetchOwner

Is the specified fetch nullable?

Specified by:

isNullable in interface FetchOwner

Parameters:

fetch - - the owned fetch.

Returns:

true, if the fetch is nullable; false, otherwise.

getType

public Type getType(Fetch fetch)

Description copied from interface: FetchOwner

Returns the type of the specified fetch.

Specified by:

getType in interface FetchOwner

Parameters:

fetch - - the owned fetch.

Returns:

the type of the specified fetch.

getColumnNames

public String[] getColumnNames(Fetch fetch)

Description copied from interface: FetchOwner

Returns the column names used for loading the specified fetch.

Specified by:

getColumnNames in interface FetchOwner

Parameters:

fetch - - the owned fetch.

Returns:

the column names used for loading the specified fetch.

buildCollectionFetch

public CollectionFetch buildCollectionFetch(AssociationAttributeDefinition attributeDefinition,
                                   FetchStrategy fetchStrategy,
                                   LoadPlanBuildingContext loadPlanBuildingContext)

Specified by:

buildCollectionFetch in interface FetchOwner

buildEntityFetch

public EntityFetch buildEntityFetch(AssociationAttributeDefinition attributeDefinition,
                           FetchStrategy fetchStrategy,
                           LoadPlanBuildingContext loadPlanBuildingContext)

Specified by:

buildEntityFetch in interface FetchOwner

buildCompositeFetch

public CompositeFetch buildCompositeFetch(CompositionDefinition attributeDefinition,
                                 LoadPlanBuildingContext loadPlanBuildingContext)

Specified by:

buildCompositeFetch in interface FetchOwner