org.hibernate.loader.plan.spi

Class AbstractSingularAttributeFetch

java.lang.Object

org.hibernate.loader.plan.spi.AbstractPlanNode

org.hibernate.loader.plan.spi.AbstractFetchOwner

org.hibernate.loader.plan.spi.AbstractSingularAttributeFetch

All Implemented Interfaces:

CopyableFetch, Fetch, FetchOwner

Direct Known Subclasses:

CompositeFetch, EntityFetch

public abstract class AbstractSingularAttributeFetch
extends AbstractFetchOwner
implements Fetch

Represents a singular attribute that is both a FetchOwner and a Fetch.

Field Summary

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

NO_FETCHES

Constructor Summary

Constructors

Constructor and Description
AbstractSingularAttributeFetch(AbstractSingularAttributeFetch original, CopyContext copyContext, FetchOwner fetchOwnerCopy)
AbstractSingularAttributeFetch(SessionFactoryImplementor factory, FetchOwner owner, AttributeDefinition fetchedAttribute, FetchStrategy fetchStrategy) Constructs an AbstractSingularAttributeFetch object.

Method Summary

Methods

Modifier and Type	Method and Description
String	getAdditionalJoinConditions()
AttributeDefinition	getFetchedAttribute()
Type	getFetchedType()
FetchStrategy	getFetchStrategy() Gets the fetch strategy for this fetch.
FetchOwner	getOwner() Obtain the owner of this fetch.
PropertyPath	getPropertyPath() Get the property path to this fetch
boolean	isNullable() Is this fetch nullable?
String[]	toSqlSelectFragments(String alias) Generates the SQL select fragments for this fetch.
String	toString()
void	validateFetchPlan(FetchStrategy fetchStrategy, AttributeDefinition attributeDefinition) Is the asserted plan valid from this owner to a fetch?

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

addFetch, buildAnyFetch, buildCollectionFetch, buildCompositeFetch, buildEntityFetch, getFetches, getType, isNullable, toSqlSelectFragments

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, wait, wait, wait

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

makeCopy

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

retrieveFetchSourcePersister, toSqlSelectFragmentResolver

Constructor Detail

AbstractSingularAttributeFetch

public AbstractSingularAttributeFetch(SessionFactoryImplementor factory,
                              FetchOwner owner,
                              AttributeDefinition fetchedAttribute,
                              FetchStrategy fetchStrategy)

Constructs an AbstractSingularAttributeFetch object.

Parameters:

factory - - the session factory.

owner - - the fetch owner for this fetch.

fetchedAttribute - - the attribute being fetched

fetchStrategy - - the fetch strategy for this fetch.

AbstractSingularAttributeFetch

public AbstractSingularAttributeFetch(AbstractSingularAttributeFetch original,
                              CopyContext copyContext,
                              FetchOwner fetchOwnerCopy)

Method Detail

getOwner

public FetchOwner getOwner()

Description copied from interface: Fetch

Obtain the owner of this fetch.

Specified by:

getOwner in interface Fetch

Returns:

The fetch owner.

getFetchedAttribute

public AttributeDefinition getFetchedAttribute()

getFetchedType

public Type getFetchedType()

Specified by:

getFetchedType in interface Fetch

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

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.

getAdditionalJoinConditions

public String getAdditionalJoinConditions()

Specified by:

getAdditionalJoinConditions in interface Fetch

validateFetchPlan

public void validateFetchPlan(FetchStrategy fetchStrategy,
                     AttributeDefinition attributeDefinition)

Description copied from interface: FetchOwner

Is the asserted plan valid from this owner to a fetch?

Specified by:

validateFetchPlan in interface FetchOwner

Parameters:

fetchStrategy - The type of fetch to validate

attributeDefinition - The attribute to be fetched

getPropertyPath

public PropertyPath getPropertyPath()

Description copied from interface: Fetch

Get the property path to this fetch

Specified by:

getPropertyPath in interface Fetch

Specified by:

getPropertyPath in interface FetchOwner

Returns:

The property path

toString

public String toString()

Overrides:

toString in class Object