org.hibernate.ejb.criteria.expression

Class CoalesceExpression<T>

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<T>

org.hibernate.ejb.criteria.expression.CoalesceExpression<T>

All Implemented Interfaces:

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

public class CoalesceExpression<T>
extends ExpressionImpl<T>
implements javax.persistence.criteria.CriteriaBuilder.Coalesce<T>, Serializable

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

Author:

Steve Ebersole

See Also:

Serialized Form

Nested Class Summary

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

ParameterContainer.Helper

Constructor Summary

Constructors

Constructor and Description
CoalesceExpression(CriteriaBuilderImpl criteriaBuilder)
CoalesceExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType)

Method Summary

Modifier and Type	Method and Description
List<javax.persistence.criteria.Expression<? extends T>>	getExpressions()
Class<T>	getJavaType()
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)
javax.persistence.criteria.CriteriaBuilder.Coalesce<T>	value(javax.persistence.criteria.Expression<? extends T> value)
javax.persistence.criteria.CriteriaBuilder.Coalesce<T>	value(T value)

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, getCompoundSelectionItems, getValueHandlers, isCompoundSelection

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

forceConversion, getAlias, 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

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

getValueHandlers

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

getValueHandler

Constructor Detail

CoalesceExpression

public CoalesceExpression(CriteriaBuilderImpl criteriaBuilder)

CoalesceExpression

public CoalesceExpression(CriteriaBuilderImpl criteriaBuilder,
                          Class<T> javaType)

Method Detail

getJavaType

public Class<T> getJavaType()

Description copied from class: AbstractTupleElement

Specified by:

getJavaType in interface javax.persistence.TupleElement<T>

Overrides:

getJavaType in class AbstractTupleElement<T>

value

public javax.persistence.criteria.CriteriaBuilder.Coalesce<T> value(T value)

Specified by:

value in interface javax.persistence.criteria.CriteriaBuilder.Coalesce<T>

value

public javax.persistence.criteria.CriteriaBuilder.Coalesce<T> value(javax.persistence.criteria.Expression<? extends T> value)

Specified by:

value in interface javax.persistence.criteria.CriteriaBuilder.Coalesce<T>

getExpressions

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

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