org.batoo.jpa.core.impl.criteria.join

Class AbstractJoin<Z,X>

java.lang.Object

org.batoo.jpa.core.impl.criteria.TupleElementImpl<X>

org.batoo.jpa.core.impl.criteria.AbstractSelection<T>

org.batoo.jpa.core.impl.criteria.expression.AbstractExpression<X>

org.batoo.jpa.core.impl.criteria.path.AbstractPath<X>

org.batoo.jpa.core.impl.criteria.path.ParentPath<Z,X>

org.batoo.jpa.core.impl.criteria.join.AbstractFrom<Z,X>

org.batoo.jpa.core.impl.criteria.join.AbstractJoin<Z,X>

Type Parameters:

Z - the source type

X - the target type

All Implemented Interfaces:

javax.persistence.criteria.Expression<X>, javax.persistence.criteria.FetchParent<Z,X>, javax.persistence.criteria.From<Z,X>, javax.persistence.criteria.Join<Z,X>, javax.persistence.criteria.Path<X>, javax.persistence.criteria.Selection<X>, javax.persistence.TupleElement<X>, Joinable

Direct Known Subclasses:

AbstractPluralJoin, SingularJoin

public abstract class AbstractJoin<Z,X>
extends AbstractFrom<Z,X>
implements javax.persistence.criteria.Join<Z,X>

Abstract implementation of joins.

Since:

2.0.0

Author:

hceylan

Constructor Summary

Constructors

Constructor and Description
AbstractJoin(AbstractFrom<?,Z> parent, JoinedMapping<? super Z,?,X> mapping, javax.persistence.criteria.JoinType jointType)

Method Summary

Methods

Modifier and Type	Method and Description
String	generateJpqlJoins(AbstractCriteriaQueryImpl<?> criteriaQuery) Returns the JPQL joins fragment.
String	generateJpqlSelect(AbstractCriteriaQueryImpl<?> query, boolean selected) Returns the JPQL select fragment.
javax.persistence.metamodel.Attribute<? super Z,?>	getAttribute()
javax.persistence.criteria.JoinType	getJoinType()
protected JoinedMapping<? super Z,?,X>	getMapping() Returns the mapping.
AbstractFrom<?,Z>	getParent()
protected UnsupportedOperationException	notSupported() Returns a new UnsupportedOperationException.

Methods inherited from class org.batoo.jpa.core.impl.criteria.join.AbstractFrom

ensureAlias, fetch, fetch, fetch, fetch, fetch, fetch, generateDiscrimination, generateJpqlRestriction, generateSqlJoins, generateSqlSelect, getCorrelationParent, getEntity, getFetches, getFetchRoot, getJoins, getSqlRestrictionFragments, getSqlRestrictionFragments, getTableAlias, handle, isCorrelated, isEntityList, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet, select, type

Methods inherited from class org.batoo.jpa.core.impl.criteria.path.ParentPath

get, get, get, get, getColumnAlias, getExpression, getMapping

Methods inherited from class org.batoo.jpa.core.impl.criteria.path.AbstractPath

cannotDereference, getParentPath, getRootPath

Methods inherited from class org.batoo.jpa.core.impl.criteria.expression.AbstractExpression

as, getConverter, in, in, in, in, isNotNull, isNull, notIn, notIn, notIn, notIn, setConverter

Methods inherited from class org.batoo.jpa.core.impl.criteria.AbstractSelection

alias, getAlias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from class org.batoo.jpa.core.impl.criteria.TupleElementImpl

getJavaType

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.persistence.criteria.From

getCorrelationParent, getJoins, isCorrelated, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet

Methods inherited from interface javax.persistence.criteria.Path

get, get, get, get, getModel, getParentPath, type

Methods inherited from interface javax.persistence.criteria.Expression

as, in, in, in, in, isNotNull, isNull

Methods inherited from interface javax.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

Methods inherited from interface javax.persistence.criteria.FetchParent

fetch, fetch, fetch, fetch, fetch, fetch, getFetches

Constructor Detail

AbstractJoin

public AbstractJoin(AbstractFrom<?,Z> parent,
            JoinedMapping<? super Z,?,X> mapping,
            javax.persistence.criteria.JoinType jointType)

Parameters:

parent - the parent

mapping - the mapping

jointType - the join type

Since:

2.0.0

Method Detail

generateJpqlJoins

public String generateJpqlJoins(AbstractCriteriaQueryImpl<?> criteriaQuery)

Returns the JPQL joins fragment.

Overrides:

generateJpqlJoins in class AbstractFrom<Z,X>

Parameters:

criteriaQuery - the criteria query

Returns:

the JPQL joins fragment

generateJpqlSelect

public String generateJpqlSelect(AbstractCriteriaQueryImpl<?> query,
                        boolean selected)

Returns the JPQL select fragment.

Overrides:

generateJpqlSelect in class AbstractFrom<Z,X>

Parameters:

query - the criteria query

selected - if the selection is selected

Returns:

the JPQL select fragment

getAttribute

public javax.persistence.metamodel.Attribute<? super Z,?> getAttribute()

Specified by:

getAttribute in interface javax.persistence.criteria.Join<Z,X>

getJoinType

public javax.persistence.criteria.JoinType getJoinType()

Specified by:

getJoinType in interface javax.persistence.criteria.Join<Z,X>

getMapping

protected JoinedMapping<? super Z,?,X> getMapping()

Returns the mapping.

Returns:

the mapping

Since:

2.0.0

getParent

public AbstractFrom<?,Z> getParent()

Specified by:

getParent in interface javax.persistence.criteria.Join<Z,X>

notSupported

protected UnsupportedOperationException notSupported()

Returns a new UnsupportedOperationException.

Returns:

the exception

Since:

2.0.0