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

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<T>
                  extended by 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>, 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
CoalesceExpression(CriteriaBuilderImpl criteriaBuilder)
           
CoalesceExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType)
           
 
Method Summary
 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 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


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