org.hibernate.query.criteria.internal.expression

Class NullifExpression<T>

java.lang.Object

org.hibernate.query.criteria.internal.AbstractNode

org.hibernate.query.criteria.internal.expression.AbstractTupleElement<X>

org.hibernate.query.criteria.internal.expression.SelectionImpl<T>

org.hibernate.query.criteria.internal.expression.ExpressionImpl<T>

org.hibernate.query.criteria.internal.expression.NullifExpression<T>

All Implemented Interfaces:

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

public class NullifExpression<T>
extends ExpressionImpl<T>
implements java.io.Serializable

Models an ANSI SQL NULLIF expression. NULLIF is a specialized CASE statement.

See Also:

Serialized Form

Nested Class Summary

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

ParameterContainer.Helper

Constructor Summary

Constructors

Constructor and Description
NullifExpression(CriteriaBuilderImpl criteriaBuilder, java.lang.Class<T> javaType, javax.persistence.criteria.Expression<? extends T> primaryExpression, javax.persistence.criteria.Expression<?> secondaryExpression)
NullifExpression(CriteriaBuilderImpl criteriaBuilder, java.lang.Class<T> javaType, javax.persistence.criteria.Expression<? extends T> primaryExpression, java.lang.Object secondaryExpression)

Method Summary

Modifier and Type	Method and Description
javax.persistence.criteria.Expression<? extends T>	getPrimaryExpression()
javax.persistence.criteria.Expression<?>	getSecondaryExpression()
void	registerParameters(ParameterRegistry registry) Register any parameters contained within this query component with the given registry.
java.lang.String	render(RenderingContext renderingContext) Render clause

Methods inherited from class org.hibernate.query.criteria.internal.expression.ExpressionImpl

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

Methods inherited from class org.hibernate.query.criteria.internal.expression.SelectionImpl

alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection

Methods inherited from class org.hibernate.query.criteria.internal.expression.AbstractTupleElement

forceConversion, getAlias, getJavaType, getValueHandler, resetJavaType, setAlias

Methods inherited from class org.hibernate.query.criteria.internal.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.query.criteria.internal.SelectionImplementor

getValueHandlers

Methods inherited from interface org.hibernate.query.criteria.internal.TupleElementImplementor

getValueHandler

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.query.criteria.internal.Renderable

renderGroupBy, renderProjection

Constructor Detail

NullifExpression

public NullifExpression(CriteriaBuilderImpl criteriaBuilder,
                        java.lang.Class<T> javaType,
                        javax.persistence.criteria.Expression<? extends T> primaryExpression,
                        javax.persistence.criteria.Expression<?> secondaryExpression)

NullifExpression

public NullifExpression(CriteriaBuilderImpl criteriaBuilder,
                        java.lang.Class<T> javaType,
                        javax.persistence.criteria.Expression<? extends T> primaryExpression,
                        java.lang.Object secondaryExpression)

Method Detail

getPrimaryExpression

public javax.persistence.criteria.Expression<? extends T> getPrimaryExpression()

getSecondaryExpression

public javax.persistence.criteria.Expression<?> getSecondaryExpression()

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(RenderingContext renderingContext)

Description copied from interface: Renderable

Render clause

Specified by:

render in interface Renderable

Parameters:

renderingContext - context

Returns:

rendered expression