org.hibernate.jpa.criteria.path

Class RootImpl<X>

java.lang.Object

org.hibernate.jpa.criteria.AbstractNode

org.hibernate.jpa.criteria.expression.AbstractTupleElement<X>

org.hibernate.jpa.criteria.expression.SelectionImpl<T>

org.hibernate.jpa.criteria.expression.ExpressionImpl<X>

org.hibernate.jpa.criteria.path.AbstractPathImpl<X>

org.hibernate.jpa.criteria.path.AbstractFromImpl<X,X>

org.hibernate.jpa.criteria.path.RootImpl<X>

All Implemented Interfaces:

Serializable, Expression<X>, FetchParent<X,X>, From<X,X>, Path<X>, Root<X>, Selection<X>, TupleElement<X>, ExpressionImplementor<X>, FromImplementor<X,X>, ParameterContainer, PathImplementor<X>, PathSource<X>, Renderable, SelectionImplementor<X>, TupleElementImplementor<X>

Direct Known Subclasses:

RootImpl.TreatedRoot

public class RootImpl<X>
extends AbstractFromImpl<X,X>
implements Root<X>, Serializable

Hibernate implementation of the JPA Root contract

Author:

Steve Ebersole

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RootImpl.TreatedRoot<T>

Nested classes/interfaces inherited from class org.hibernate.jpa.criteria.path.AbstractFromImpl

AbstractFromImpl.BasicJoinScope, AbstractFromImpl.CorrelationJoinScope, AbstractFromImpl.JoinScope<X>

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

ParameterContainer.Helper

Field Summary

Fields inherited from class org.hibernate.jpa.criteria.path.AbstractFromImpl

DEFAULT_JOIN_TYPE

Constructor Summary

Constructors

Constructor and Description
RootImpl(CriteriaBuilderImpl criteriaBuilder, EntityType<X> entityType)
RootImpl(CriteriaBuilderImpl criteriaBuilder, EntityType<X> entityType, boolean allowJoins)

Method Summary

Modifier and Type	Method and Description
protected boolean	canBeJoinSource()
RootImpl<X>	correlateTo(CriteriaSubqueryImpl subquery)
protected FromImplementor<X,X>	createCorrelationDelegate()
EntityType<X>	getEntityType()
EntityType<X>	getModel() Return the metamodel entity corresponding to the root.
String	getPathIdentifier() Get the string representation of this path as a navigation from one of the queries identification variables
protected RuntimeException	illegalFetch()
protected RuntimeException	illegalJoin()
String	render(RenderingContext renderingContext)
String	renderProjection(RenderingContext renderingContext)
String	renderTableExpression(RenderingContext renderingContext)
<T extends X> RootImpl<T>	treatAs(Class<T> treatAsType) Defines handling for the JPA 2.1 TREAT down-casting feature.

Methods inherited from class org.hibernate.jpa.criteria.path.AbstractFromImpl

canBeDereferenced, canBeFetchSource, fetch, fetch, fetch, fetch, fetch, fetch, getAlias, getAttribute, getCorrelationParent, getFetches, getJoins, getParent, getPathSource, isCorrelated, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet, locateAttributeInternal, locateManagedType, prepareAlias, prepareCorrelationDelegate

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

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

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

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

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

alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection

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

forceConversion, getJavaType, getValueHandler, resetJavaType, setAlias

Methods inherited from class org.hibernate.jpa.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 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, 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

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

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

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

getValueHandlers

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

getValueHandler

Constructor Detail

RootImpl

public RootImpl(CriteriaBuilderImpl criteriaBuilder,
                EntityType<X> entityType)

RootImpl

public RootImpl(CriteriaBuilderImpl criteriaBuilder,
                EntityType<X> entityType,
                boolean allowJoins)

Method Detail

getEntityType

public EntityType<X> getEntityType()

getModel

public EntityType<X> getModel()

Description copied from interface: Root

Return the metamodel entity corresponding to the root.

Specified by:

getModel in interface Path<X>

Specified by:

getModel in interface Root<X>

Returns:

metamodel entity corresponding to the root

createCorrelationDelegate

protected FromImplementor<X,X> createCorrelationDelegate()

Specified by:

createCorrelationDelegate in class AbstractFromImpl<X,X>

correlateTo

public RootImpl<X> correlateTo(CriteriaSubqueryImpl subquery)

Specified by:

correlateTo in interface FromImplementor<X,X>

Overrides:

correlateTo in class AbstractFromImpl<X,X>

canBeJoinSource

protected boolean canBeJoinSource()

Specified by:

canBeJoinSource in class AbstractFromImpl<X,X>

illegalJoin

protected RuntimeException illegalJoin()

Overrides:

illegalJoin in class AbstractFromImpl<X,X>

illegalFetch

protected RuntimeException illegalFetch()

Overrides:

illegalFetch in class AbstractFromImpl<X,X>

renderTableExpression

public String renderTableExpression(RenderingContext renderingContext)

Specified by:

renderTableExpression in interface FromImplementor<X,X>

getPathIdentifier

public String getPathIdentifier()

Description copied from interface: PathSource

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 AbstractFromImpl<X,X>

Returns:

The path's identifier.

render

public String render(RenderingContext renderingContext)

Specified by:

render in interface Renderable

Overrides:

render in class AbstractFromImpl<X,X>

renderProjection

public String renderProjection(RenderingContext renderingContext)

Specified by:

renderProjection in interface Renderable

Overrides:

renderProjection in class AbstractFromImpl<X,X>

treatAs

public <T extends X> RootImpl<T> treatAs(Class<T> treatAsType)

Description copied from interface: PathImplementor

Defines handling for the JPA 2.1 TREAT down-casting feature.

Specified by:

treatAs in interface PathImplementor<X>

Type Parameters:

T - The parameterized type representation of treatAsType.

Parameters:

treatAsType - The type to treat the path as.

Returns:

The properly typed view of this path.