Top Description Fields Constructors Methods

org.hibernate.query.criteria.internal.expression

public Class NullifExpression<T>

Class Inheritance

extends ExpressionImpl<T>
implements Serializable

java.lang.Object
org.hibernate.query.criteria.internal.AbstractNode
org.hibernate.query.criteria.internal.expression.AbstractTupleElement
org.hibernate.query.criteria.internal.expression.SelectionImpl
org.hibernate.query.criteria.internal.expression.ExpressionImpl
org.hibernate.query.criteria.internal.expression.NullifExpression

All Implemented Interfaces

java.io.Serializable

Imports

java.io.Serializable, javax.persistence.criteria.Expression, org.hibernate.query.criteria.internal.CriteriaBuilderImpl, .ParameterRegistry, .Renderable, org.hibernate.query.criteria.internal.compile.RenderingContext

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

Author: Steve Ebersole

Field Summary

Modifier and Type	Field and Description
private final Expression<? extends T>	primaryExpression
private final Expression<?>	secondaryExpression

Constructor Summary

Access	Constructor and Description
public	NullifExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, Expression<? extends T> primaryExpression, Expression<?> secondaryExpression)
public	NullifExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, Expression<? extends T> primaryExpression, Object secondaryExpression)

Method Summary

Modifier and Type	Method and Description
private static Class<T>	determineType(Class<T> javaType, Expression<T> primaryExpression)
public Expression<? extends T>	getPrimaryExpression()
public Expression<?>	getSecondaryExpression()
public void	registerParameters(ParameterRegistry The parameter registry with which to register. registry) Implements org.hibernate.query.criteria.internal.ParameterContainer.registerParameters. Register any parameters contained within this query component with the given registry.
public String	render(RenderingContext renderingContext) Implements org.hibernate.query.criteria.internal.Renderable.render. Perform the rendering, returning the rendition

Inherited from org.hibernate.query.criteria.internal.expression.ExpressionImpl:: as asBigDecimal asBigInteger asDouble asFloat asInteger asLong asString in in in in isNotNull isNull

Field Detail

primaryExpression	back to summary
private final Expression<? extends T> primaryExpression

secondaryExpression	back to summary
private final Expression<?> secondaryExpression

Constructor Detail

NullifExpression	back to summary
public NullifExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, Expression<? extends T> primaryExpression, Expression<?> secondaryExpression)

NullifExpression	back to summary
public NullifExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, Expression<? extends T> primaryExpression, Object secondaryExpression)

Method Detail

determineType	back to summary
private static Class<T> determineType(Class<T> javaType, Expression<T> primaryExpression)

getPrimaryExpression	back to summary
public Expression<? extends T> getPrimaryExpression()

getSecondaryExpression	back to summary
public Expression<?> getSecondaryExpression()

registerParameters

back to summary

public void registerParameters(ParameterRegistry registry)

Implements org.hibernate.query.criteria.internal.ParameterContainer.registerParameters.

Doc from org.hibernate.query.criteria.internal.ParameterContainer.registerParameters.

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

Parameters

registry:ParameterRegistry: The parameter registry with which to register.

render

back to summary

public String render(RenderingContext renderingContext)

Implements org.hibernate.query.criteria.internal.Renderable.render.

Doc from org.hibernate.query.criteria.internal.Renderable.render.

Perform the rendering, returning the rendition