org.hibernate.ejb.criteria.predicate

Class ExistsPredicate

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<java.lang.Boolean>

org.hibernate.ejb.criteria.predicate.AbstractPredicateImpl

org.hibernate.ejb.criteria.predicate.AbstractSimplePredicate

org.hibernate.ejb.criteria.predicate.ExistsPredicate

All Implemented Interfaces:

java.io.Serializable, javax.persistence.criteria.Expression<java.lang.Boolean>, javax.persistence.criteria.Predicate, javax.persistence.criteria.Selection<java.lang.Boolean>, javax.persistence.TupleElement<java.lang.Boolean>, ExpressionImplementor<java.lang.Boolean>, ParameterContainer, Renderable, SelectionImplementor<java.lang.Boolean>, TupleElementImplementor<java.lang.Boolean>

public class ExistsPredicate
extends AbstractSimplePredicate
implements java.io.Serializable

Models an EXISTS() predicate

Author:

Steve Ebersole

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface javax.persistence.criteria.Predicate

javax.persistence.criteria.Predicate.BooleanOperator

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

ParameterContainer.Helper

Constructor Summary

Constructors

Constructor and Description
ExistsPredicate(CriteriaBuilderImpl criteriaBuilder, javax.persistence.criteria.Subquery<?> subquery)

Method Summary

Methods

Modifier and Type	Method and Description
javax.persistence.criteria.Subquery<?>	getSubquery()
void	registerParameters(ParameterRegistry registry) Register any parameters contained within this query component with the given registry.
java.lang.String	render(CriteriaQueryCompiler.RenderingContext renderingContext)
java.lang.String	renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

Methods inherited from class org.hibernate.ejb.criteria.predicate.AbstractSimplePredicate

getExpressions, getOperator

Methods inherited from class org.hibernate.ejb.criteria.predicate.AbstractPredicateImpl

getCompoundSelectionItems, isCompoundSelection, isNegated, not

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, getValueHandlers

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

forceConversion, getAlias, 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 javax.persistence.criteria.Expression

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

Methods inherited from interface javax.persistence.criteria.Selection

alias

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

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

getValueHandlers

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

getValueHandler

Constructor Detail

ExistsPredicate

public ExistsPredicate(CriteriaBuilderImpl criteriaBuilder,
               javax.persistence.criteria.Subquery<?> subquery)

Method Detail

getSubquery

public javax.persistence.criteria.Subquery<?> getSubquery()

registerParameters

public void registerParameters(ParameterRegistry registry)

Description copied from interface: ParameterContainer

Register any parameters contained within this query component with the given registry.

Specified by:

registerParameters in interface ParameterContainer

Parameters:

registry - The parameter registry with which to register.

render

public java.lang.String render(CriteriaQueryCompiler.RenderingContext renderingContext)

Specified by:

render in interface Renderable

renderProjection

public java.lang.String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

Specified by:

renderProjection in interface Renderable