org.hibernate.ejb.criteria.expression
Class NullifExpression<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.NullifExpression<T>
All Implemented Interfaces:
Serializable, Expression<T>, Selection<T>, TupleElement<T>, ExpressionImplementor<T>, ParameterContainer, Renderable, SelectionImplementor<T>, TupleElementImplementor<T>

public class NullifExpression<T>
extends ExpressionImpl<T>
implements 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.ejb.criteria.ParameterContainer
ParameterContainer.Helper
 
Constructor Summary
NullifExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, Expression<? extends T> primaryExpression, Expression<?> secondaryExpression)
           
NullifExpression(CriteriaBuilderImpl criteriaBuilder, Class<T> javaType, Expression<? extends T> primaryExpression, Object secondaryExpression)
           
 
Method Summary
 Expression<? extends T> getPrimaryExpression()
           
 Expression<?> getSecondaryExpression()
           
 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.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, 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 org.hibernate.ejb.criteria.SelectionImplementor
getValueHandlers
 
Methods inherited from interface org.hibernate.ejb.criteria.TupleElementImplementor
getValueHandler
 
Methods inherited from interface javax.persistence.criteria.Selection
alias, getCompoundSelectionItems, isCompoundSelection
 
Methods inherited from interface javax.persistence.TupleElement
getAlias, getJavaType
 

Constructor Detail

NullifExpression

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

NullifExpression

public NullifExpression(CriteriaBuilderImpl criteriaBuilder,
                        Class<T> javaType,
                        Expression<? extends T> primaryExpression,
                        Object secondaryExpression)
Method Detail

getPrimaryExpression

public Expression<? extends T> getPrimaryExpression()

getSecondaryExpression

public 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 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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