org.hibernate.ejb.criteria.predicate
Class IsEmptyPredicate<C extends Collection>

java.lang.Object
  extended by org.hibernate.ejb.criteria.AbstractNode
      extended by org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
          extended by org.hibernate.ejb.criteria.expression.SelectionImpl<T>
              extended by org.hibernate.ejb.criteria.expression.ExpressionImpl<Boolean>
                  extended by org.hibernate.ejb.criteria.predicate.AbstractPredicateImpl
                      extended by org.hibernate.ejb.criteria.predicate.AbstractSimplePredicate
                          extended by org.hibernate.ejb.criteria.predicate.IsEmptyPredicate<C>
All Implemented Interfaces:
Serializable, Expression<Boolean>, Predicate, Selection<Boolean>, TupleElement<Boolean>, UnaryOperatorExpression<Boolean>, ExpressionImplementor<Boolean>, ParameterContainer, Renderable, SelectionImplementor<Boolean>, TupleElementImplementor<Boolean>

public class IsEmptyPredicate<C extends Collection>
extends AbstractSimplePredicate
implements UnaryOperatorExpression<Boolean>, Serializable

Models an IS [NOT] EMPTY restriction

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from interface javax.persistence.criteria.Predicate
Predicate.BooleanOperator
 
Nested classes/interfaces inherited from interface org.hibernate.ejb.criteria.ParameterContainer
ParameterContainer.Helper
 
Constructor Summary
IsEmptyPredicate(CriteriaBuilderImpl criteriaBuilder, PluralAttributePath<C> collectionPath)
           
 
Method Summary
 PluralAttributePath<C> getOperand()
          Get the operand.
 void registerParameters(ParameterRegistry registry)
          Register any parameters contained within this query component with the given registry.
 String render(CriteriaQueryCompiler.RenderingContext renderingContext)
           
 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, getCompoundSelectionItems, isCompoundSelection
 
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

IsEmptyPredicate

public IsEmptyPredicate(CriteriaBuilderImpl criteriaBuilder,
                        PluralAttributePath<C> collectionPath)
Method Detail

getOperand

public PluralAttributePath<C> getOperand()
Description copied from interface: UnaryOperatorExpression
Get the operand.

Specified by:
getOperand in interface UnaryOperatorExpression<Boolean>
Returns:
The operand.

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 String render(CriteriaQueryCompiler.RenderingContext renderingContext)
Specified by:
render in interface Renderable

renderProjection

public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)
Specified by:
renderProjection in interface Renderable


Copyright © 2001-2012 Red Hat, Inc. All Rights Reserved.