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.
AnyFetch	buildAnyFetch(AttributeDefinition attribute, AnyMappingDefinition anyDefinition, FetchStrategy fetchStrategy, LoadPlanBuildingContext loadPlanBuildingContext)
CollectionFetch	buildCollectionFetch(AssociationAttributeDefinition attributeDefinition, FetchStrategy fetchStrategy, LoadPlanBuildingContext loadPlanBuildingContext)
CompositeFetch	buildCompositeFetch(CompositionDefinition attributeDefinition, LoadPlanBuildingContext loadPlanBuildingContext)
EntityFetch	buildEntityFetch(AssociationAttributeDefinition attributeDefinition, FetchStrategy fetchStrategy, LoadPlanBuildingContext loadPlanBuildingContext)
Fetch[]	getFetches() Retrieve the fetches owned by this return.
Type	getType(Fetch fetch) Returns the type of the specified fetch.
boolean	isNullable(Fetch fetch) Is the specified fetch nullable?
String[]	toSqlSelectFragments(Fetch fetch, String alias) Generates the SQL select fragments for the specified fetch.

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, toSqlSelectFragmentResolver, 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.

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.

toSqlSelectFragments

public String[] toSqlSelectFragments(Fetch fetch,
                            String alias)

Description copied from interface: FetchOwner

Generates the SQL select fragments for the specified fetch. A select fragment is the column and formula references.

Specified by:

toSqlSelectFragments in interface FetchOwner

Parameters:

fetch - - the owned fetch.

alias - The table alias to apply to the fragments (used to qualify column references)

Returns:

the select fragments

buildAnyFetch

public AnyFetch buildAnyFetch(AttributeDefinition attribute,
                     AnyMappingDefinition anyDefinition,
                     FetchStrategy fetchStrategy,
                     LoadPlanBuildingContext loadPlanBuildingContext)

Specified by:

buildAnyFetch in interface FetchOwner

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