org.hibernate.loader.plan.build.internal.returns

Class AnyAttributeFetchImpl

java.lang.Object

org.hibernate.loader.plan.build.internal.returns.AbstractAnyReference

org.hibernate.loader.plan.build.internal.returns.AnyAttributeFetchImpl

All Implemented Interfaces:

AnyAttributeFetch, AttributeFetch, Fetch, FetchSource

public class AnyAttributeFetchImpl
extends AbstractAnyReference
implements AnyAttributeFetch, AttributeFetch

Author:

Steve Ebersole, Gail Badner

Constructor Summary

Constructors

Constructor and Description
AnyAttributeFetchImpl(FetchSource fetchSource, AssociationAttributeDefinition fetchedAttribute, FetchStrategy fetchStrategy)

Method Summary

Modifier and Type	Method and Description
String	getAdditionalJoinConditions()
AttributeDefinition	getFetchedAttributeDefinition() Returns the AttributeDefinition for attribute being fetched.
AnyType	getFetchedType() Get the Hibernate Type that describes the fetched attribute
FetchStrategy	getFetchStrategy() Gets the fetch strategy for this fetch.
FetchSource	getSource() Obtain the owner of this fetch.
boolean	isNullable() Is this fetch nullable?
EntityReference	resolveEntityReference() Resolve the "current" EntityReference, or null if none.
String[]	toSqlSelectFragments(String alias) Generates the SQL select fragments for this fetch.

Methods inherited from class org.hibernate.loader.plan.build.internal.returns.AbstractAnyReference

getBidirectionalEntityReferences, getFetches, getPropertyPath, getQuerySpaceUid

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.FetchSource

getBidirectionalEntityReferences, getFetches, getPropertyPath, getQuerySpaceUid

Methods inherited from interface org.hibernate.loader.plan.spi.Fetch

getPropertyPath

Constructor Detail

AnyAttributeFetchImpl

public AnyAttributeFetchImpl(FetchSource fetchSource,
                             AssociationAttributeDefinition fetchedAttribute,
                             FetchStrategy fetchStrategy)

Method Detail

getSource

public FetchSource getSource()

Description copied from interface: Fetch

Obtain the owner of this fetch.

Specified by:

getSource in interface Fetch

Returns:

The fetch owner.

getFetchStrategy

public FetchStrategy getFetchStrategy()

Description copied from interface: Fetch

Gets the fetch strategy for this fetch.

Specified by:

getFetchStrategy in interface Fetch

Returns:

the fetch strategy for this fetch.

getFetchedType

public AnyType getFetchedType()

Description copied from interface: Fetch

Get the Hibernate Type that describes the fetched attribute

Specified by:

getFetchedType in interface Fetch

Returns:

The Type of the fetched attribute

isNullable

public boolean isNullable()

Description copied from interface: Fetch

Is this fetch nullable?

Specified by:

isNullable in interface Fetch

Returns:

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

toSqlSelectFragments

public String[] toSqlSelectFragments(String alias)

Description copied from interface: Fetch

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

Specified by:

toSqlSelectFragments in interface Fetch

Returns:

the select fragments

getAdditionalJoinConditions

public String getAdditionalJoinConditions()

Specified by:

getAdditionalJoinConditions in interface Fetch

resolveEntityReference

public EntityReference resolveEntityReference()

Description copied from interface: FetchSource

Resolve the "current" EntityReference, or null if none. If this object is an EntityReference, then this object is returned; otherwise, if this object is a Fetch, then the nearest EntityReference will be resolved from its source, if possible. If no EntityReference can be resolved, null is return.

Specified by:

resolveEntityReference in interface FetchSource

Returns:

the "current" EntityReference or null if none. .

See Also:

Fetch.getSource().

getFetchedAttributeDefinition

public AttributeDefinition getFetchedAttributeDefinition()

Description copied from interface: AttributeFetch

Returns the AttributeDefinition for attribute being fetched.

Specified by:

getFetchedAttributeDefinition in interface AttributeFetch

Returns:

The fetched attribute definition.