org.hibernate.ejb.criteria.path
Class AbstractFromImpl<Z,X>

java.lang.Object
  org.hibernate.ejb.criteria.AbstractNode
      org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
          org.hibernate.ejb.criteria.expression.SelectionImpl<T>
              org.hibernate.ejb.criteria.expression.ExpressionImpl<X>
                  org.hibernate.ejb.criteria.path.AbstractPathImpl<X>
                      org.hibernate.ejb.criteria.path.AbstractFromImpl<Z,X>

All Implemented Interfaces:

Serializable, javax.persistence.criteria.Expression<X>, javax.persistence.criteria.FetchParent<Z,X>, javax.persistence.criteria.From<Z,X>, javax.persistence.criteria.Path<X>, javax.persistence.criteria.Selection<X>, TupleElement<X>, ExpressionImplementor<X>, FromImplementor<Z,X>, ParameterContainer, PathImplementor<X>, PathSource<X>, Renderable, SelectionImplementor<X>, TupleElementImplementor<X>

Direct Known Subclasses:

AbstractJoinImpl, RootImpl

public abstract class AbstractFromImpl<Z,X>
extends AbstractPathImpl<X>
implements javax.persistence.criteria.From<Z,X>, FromImplementor<Z,X>, Serializable

Convenience base class for various From implementors.

Author:

Steve Ebersole

See Also:

Serialized Form

Nested Class Summary

protected class	AbstractFromImpl.BasicJoinScope
protected class	AbstractFromImpl.CorrelationJoinScope
static interface	AbstractFromImpl.JoinScope<X> Helper contract used to define who/what keeps track of joins and fetches made from this FROM.

Nested classes/interfaces inherited from interface org.hibernate.ejb.criteria.ParameterContainer

ParameterContainer.Helper

Field Summary

static javax.persistence.criteria.JoinType

DEFAULT_JOIN_TYPE

Constructor Summary

AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder, Class<X> javaType)

AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder, Class<X> javaType, PathSource pathSource)

Method Summary

protected boolean	canBeDereferenced()
protected boolean	canBeFetchSource()
protected abstract boolean	canBeJoinSource()
FromImplementor<Z,X>	correlateTo(CriteriaSubqueryImpl subquery)
protected abstract FromImplementor<Z,X>	createCorrelationDelegate()
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.PluralAttribute<? super X,?,Y> pluralAttribute)
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.PluralAttribute<? super X,?,Y> pluralAttribute, javax.persistence.criteria.JoinType jt)
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.SingularAttribute<? super X,Y> singularAttribute)
<Y> javax.persistence.criteria.Fetch<X,Y>	fetch(javax.persistence.metamodel.SingularAttribute<? super X,Y> attribute, javax.persistence.criteria.JoinType jt)
<X,Y> javax.persistence.criteria.Fetch<X,Y>	fetch(String attributeName)
<X,Y> javax.persistence.criteria.Fetch<X,Y>	fetch(String attributeName, javax.persistence.criteria.JoinType jt)
String	getAlias()
javax.persistence.metamodel.Attribute<?,?>	getAttribute() Retrieve reference to the attribute this path represents.
FromImplementor<Z,X>	getCorrelationParent()
Set<javax.persistence.criteria.Fetch<X,?>>	getFetches()
Set<javax.persistence.criteria.Join<X,?>>	getJoins()
javax.persistence.criteria.From<?,Z>	getParent()
String	getPathIdentifier() Get the string representation of this path as a navigation from one of the queries identification variables
PathSource<Z>	getPathSource()
boolean	isCorrelated()
<Y> javax.persistence.criteria.CollectionJoin<X,Y>	join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> collection)
<Y> javax.persistence.criteria.CollectionJoin<X,Y>	join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> collection, javax.persistence.criteria.JoinType jt)
<Y> javax.persistence.criteria.ListJoin<X,Y>	join(javax.persistence.metamodel.ListAttribute<? super X,Y> list)
<Y> javax.persistence.criteria.ListJoin<X,Y>	join(javax.persistence.metamodel.ListAttribute<? super X,Y> list, javax.persistence.criteria.JoinType jt)
<K,V> javax.persistence.criteria.MapJoin<X,K,V>	join(javax.persistence.metamodel.MapAttribute<? super X,K,V> map)
<K,V> javax.persistence.criteria.MapJoin<X,K,V>	join(javax.persistence.metamodel.MapAttribute<? super X,K,V> map, javax.persistence.criteria.JoinType jt)
<Y> javax.persistence.criteria.SetJoin<X,Y>	join(javax.persistence.metamodel.SetAttribute<? super X,Y> set)
<Y> javax.persistence.criteria.SetJoin<X,Y>	join(javax.persistence.metamodel.SetAttribute<? super X,Y> set, javax.persistence.criteria.JoinType jt)
<Y> javax.persistence.criteria.Join<X,Y>	join(javax.persistence.metamodel.SingularAttribute<? super X,Y> singularAttribute)
<Y> javax.persistence.criteria.Join<X,Y>	join(javax.persistence.metamodel.SingularAttribute<? super X,Y> attribute, javax.persistence.criteria.JoinType jt)
<X,Y> javax.persistence.criteria.Join<X,Y>	join(String attributeName)
<X,Y> javax.persistence.criteria.Join<X,Y>	join(String attributeName, javax.persistence.criteria.JoinType jt)
<X,Y> javax.persistence.criteria.CollectionJoin<X,Y>	joinCollection(String attributeName)
<X,Y> javax.persistence.criteria.CollectionJoin<X,Y>	joinCollection(String attributeName, javax.persistence.criteria.JoinType jt)
<X,Y> javax.persistence.criteria.ListJoin<X,Y>	joinList(String attributeName)
<X,Y> javax.persistence.criteria.ListJoin<X,Y>	joinList(String attributeName, javax.persistence.criteria.JoinType jt)
<X,K,V> javax.persistence.criteria.MapJoin<X,K,V>	joinMap(String attributeName)
<X,K,V> javax.persistence.criteria.MapJoin<X,K,V>	joinMap(String attributeName, javax.persistence.criteria.JoinType jt)
<X,Y> javax.persistence.criteria.SetJoin<X,Y>	joinSet(String attributeName)
<X,Y> javax.persistence.criteria.SetJoin<X,Y>	joinSet(String attributeName, javax.persistence.criteria.JoinType jt)
protected javax.persistence.metamodel.Attribute<X,?>	locateAttributeInternal(String name) Get the attribute by name from the underlying model.
protected javax.persistence.metamodel.ManagedType<? super X>	locateManagedType()
void	prepareAlias(CriteriaQueryCompiler.RenderingContext renderingContext)
void	prepareCorrelationDelegate(FromImplementor<Z,X> parent)
String	render(CriteriaQueryCompiler.RenderingContext renderingContext)
String	renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

Methods inherited from class org.hibernate.ejb.criteria.path.AbstractPathImpl

get, get, get, get, getParentPath, illegalDereference, locateAttribute, registerAttributePath, registerParameters, resolveCachedAttributePath, type, unknownAttribute

Methods inherited from class org.hibernate.ejb.criteria.expression.ExpressionImpl

as, asBigDecimal, asBigInteger, asDouble, asFloat, asInteger, asLong, asString, in, in, in, in, isNotNull, isNull

Methods inherited from class org.hibernate.ejb.criteria.expression.SelectionImpl

alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection

Methods inherited from class org.hibernate.ejb.criteria.expression.AbstractTupleElement

forceConversion, getJavaType, getValueHandler, resetJavaType, setAlias

Methods inherited from class org.hibernate.ejb.criteria.AbstractNode

criteriaBuilder

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.ejb.criteria.FromImplementor

renderTableExpression

Methods inherited from interface org.hibernate.ejb.criteria.ExpressionImplementor

asBigDecimal, asBigInteger, asDouble, asFloat, asInteger, asLong, asString

Methods inherited from interface org.hibernate.ejb.criteria.SelectionImplementor

getValueHandlers

Methods inherited from interface org.hibernate.ejb.criteria.TupleElementImplementor

getValueHandler

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

getJavaType

Field Detail

DEFAULT_JOIN_TYPE

public static final javax.persistence.criteria.JoinType DEFAULT_JOIN_TYPE

Constructor Detail

AbstractFromImpl

public AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder,
                        Class<X> javaType)

AbstractFromImpl

public AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder,
                        Class<X> javaType,
                        PathSource pathSource)

Method Detail

getPathSource

public PathSource<Z> getPathSource()

Overrides:

getPathSource in class AbstractPathImpl<X>

getPathIdentifier

public String getPathIdentifier()

Description copied from class: AbstractPathImpl

Get the string representation of this path as a navigation from one of the queries identification variables

Specified by:

getPathIdentifier in interface PathSource<X>

Overrides:

getPathIdentifier in class AbstractPathImpl<X>

Returns:

The path's identifier.

canBeDereferenced

protected boolean canBeDereferenced()

Specified by:

canBeDereferenced in class AbstractPathImpl<X>

prepareAlias

public void prepareAlias(CriteriaQueryCompiler.RenderingContext renderingContext)

Specified by:

prepareAlias in interface FromImplementor<Z,X>

Specified by:

prepareAlias in interface PathSource<X>

Overrides:

prepareAlias in class AbstractPathImpl<X>

renderProjection

public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

Description copied from class: AbstractPathImpl

Specified by:

renderProjection in interface Renderable

Overrides:

renderProjection in class AbstractPathImpl<X>

render

public String render(CriteriaQueryCompiler.RenderingContext renderingContext)

Description copied from class: AbstractPathImpl

Specified by:

render in interface Renderable

Overrides:

render in class AbstractPathImpl<X>

getAttribute

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

Retrieve reference to the attribute this path represents.

Specified by:

getAttribute in interface PathImplementor<X>

Returns:

The metamodel attribute.

getParent

public javax.persistence.criteria.From<?,Z> getParent()

locateAttributeInternal

protected javax.persistence.metamodel.Attribute<X,?> locateAttributeInternal(String name)

Get the attribute by name from the underlying model. This allows subclasses to define exactly how the attribute is derived. Called from AbstractPathImpl.locateAttribute(java.lang.String) which also applies nullness checking for proper error reporting.

Specified by:

locateAttributeInternal in class AbstractPathImpl<X>

Parameters:

name - The name of the attribute to locate

Returns:

The attribute; may be null.

locateManagedType

protected javax.persistence.metamodel.ManagedType<? super X> locateManagedType()

isCorrelated

public boolean isCorrelated()

Specified by:

isCorrelated in interface javax.persistence.criteria.From<Z,X>

getCorrelationParent

public FromImplementor<Z,X> getCorrelationParent()

Specified by:

getCorrelationParent in interface javax.persistence.criteria.From<Z,X>

Specified by:

getCorrelationParent in interface FromImplementor<Z,X>

correlateTo

public FromImplementor<Z,X> correlateTo(CriteriaSubqueryImpl subquery)

Specified by:

correlateTo in interface FromImplementor<Z,X>

createCorrelationDelegate

protected abstract FromImplementor<Z,X> createCorrelationDelegate()

prepareCorrelationDelegate

public void prepareCorrelationDelegate(FromImplementor<Z,X> parent)

Specified by:

prepareCorrelationDelegate in interface FromImplementor<Z,X>

getAlias

public String getAlias()

Description copied from class: AbstractTupleElement

Specified by:

getAlias in interface TupleElement<X>

Overrides:

getAlias in class AbstractTupleElement<X>

canBeJoinSource

protected abstract boolean canBeJoinSource()

getJoins

public Set<javax.persistence.criteria.Join<X,?>> getJoins()

Specified by:

getJoins in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.Join<X,Y> join(javax.persistence.metamodel.SingularAttribute<? super X,Y> singularAttribute)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.Join<X,Y> join(javax.persistence.metamodel.SingularAttribute<? super X,Y> attribute,
                                                     javax.persistence.criteria.JoinType jt)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.CollectionJoin<X,Y> join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> collection)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.CollectionJoin<X,Y> join(javax.persistence.metamodel.CollectionAttribute<? super X,Y> collection,
                                                               javax.persistence.criteria.JoinType jt)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.SetJoin<X,Y> join(javax.persistence.metamodel.SetAttribute<? super X,Y> set)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.SetJoin<X,Y> join(javax.persistence.metamodel.SetAttribute<? super X,Y> set,
                                                        javax.persistence.criteria.JoinType jt)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.ListJoin<X,Y> join(javax.persistence.metamodel.ListAttribute<? super X,Y> list)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <Y> javax.persistence.criteria.ListJoin<X,Y> join(javax.persistence.metamodel.ListAttribute<? super X,Y> list,
                                                         javax.persistence.criteria.JoinType jt)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <K,V> javax.persistence.criteria.MapJoin<X,K,V> join(javax.persistence.metamodel.MapAttribute<? super X,K,V> map)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <K,V> javax.persistence.criteria.MapJoin<X,K,V> join(javax.persistence.metamodel.MapAttribute<? super X,K,V> map,
                                                            javax.persistence.criteria.JoinType jt)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <X,Y> javax.persistence.criteria.Join<X,Y> join(String attributeName)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

join

public <X,Y> javax.persistence.criteria.Join<X,Y> join(String attributeName,
                                                       javax.persistence.criteria.JoinType jt)

Specified by:

join in interface javax.persistence.criteria.From<Z,X>

joinCollection

public <X,Y> javax.persistence.criteria.CollectionJoin<X,Y> joinCollection(String attributeName)

Specified by:

joinCollection in interface javax.persistence.criteria.From<Z,X>

joinCollection

public <X,Y> javax.persistence.criteria.CollectionJoin<X,Y> joinCollection(String attributeName,
                                                                           javax.persistence.criteria.JoinType jt)

Specified by:

joinCollection in interface javax.persistence.criteria.From<Z,X>

joinSet

public <X,Y> javax.persistence.criteria.SetJoin<X,Y> joinSet(String attributeName)

Specified by:

joinSet in interface javax.persistence.criteria.From<Z,X>

joinSet

public <X,Y> javax.persistence.criteria.SetJoin<X,Y> joinSet(String attributeName,
                                                             javax.persistence.criteria.JoinType jt)

Specified by:

joinSet in interface javax.persistence.criteria.From<Z,X>

joinList

public <X,Y> javax.persistence.criteria.ListJoin<X,Y> joinList(String attributeName)

Specified by:

joinList in interface javax.persistence.criteria.From<Z,X>

joinList

public <X,Y> javax.persistence.criteria.ListJoin<X,Y> joinList(String attributeName,
                                                               javax.persistence.criteria.JoinType jt)

Specified by:

joinList in interface javax.persistence.criteria.From<Z,X>

joinMap

public <X,K,V> javax.persistence.criteria.MapJoin<X,K,V> joinMap(String attributeName)

Specified by:

joinMap in interface javax.persistence.criteria.From<Z,X>

joinMap

public <X,K,V> javax.persistence.criteria.MapJoin<X,K,V> joinMap(String attributeName,
                                                                 javax.persistence.criteria.JoinType jt)

Specified by:

joinMap in interface javax.persistence.criteria.From<Z,X>

canBeFetchSource

protected boolean canBeFetchSource()

getFetches

public Set<javax.persistence.criteria.Fetch<X,?>> getFetches()

Specified by:

getFetches in interface javax.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> javax.persistence.criteria.Fetch<X,Y> fetch(javax.persistence.metamodel.SingularAttribute<? super X,Y> singularAttribute)

Specified by:

fetch in interface javax.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> javax.persistence.criteria.Fetch<X,Y> fetch(javax.persistence.metamodel.SingularAttribute<? super X,Y> attribute,
                                                       javax.persistence.criteria.JoinType jt)

Specified by:

fetch in interface javax.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> javax.persistence.criteria.Fetch<X,Y> fetch(javax.persistence.metamodel.PluralAttribute<? super X,?,Y> pluralAttribute)

Specified by:

fetch in interface javax.persistence.criteria.FetchParent<Z,X>

fetch

public <Y> javax.persistence.criteria.Fetch<X,Y> fetch(javax.persistence.metamodel.PluralAttribute<? super X,?,Y> pluralAttribute,
                                                       javax.persistence.criteria.JoinType jt)

Specified by:

fetch in interface javax.persistence.criteria.FetchParent<Z,X>

fetch

public <X,Y> javax.persistence.criteria.Fetch<X,Y> fetch(String attributeName)

Specified by:

fetch in interface javax.persistence.criteria.FetchParent<Z,X>

fetch

public <X,Y> javax.persistence.criteria.Fetch<X,Y> fetch(String attributeName,
                                                         javax.persistence.criteria.JoinType jt)

Specified by:

fetch in interface javax.persistence.criteria.FetchParent<Z,X>