org.apache.openjpa.persistence.criteria
Class Expressions.Diff<N extends Number>

java.lang.Object
  extended by org.apache.openjpa.persistence.criteria.SelectionImpl<X>
      extended by org.apache.openjpa.persistence.criteria.ExpressionImpl<X>
          extended by org.apache.openjpa.persistence.criteria.Expressions.BinarayFunctionalExpression<N>
              extended by org.apache.openjpa.persistence.criteria.Expressions.Diff<N>
All Implemented Interfaces:
Expression<N>, Selection<N>, TupleElement<N>, CriteriaExpression
Enclosing class:
Expressions

public static class Expressions.Diff<N extends Number>
extends Expressions.BinarayFunctionalExpression<N>


Field Summary
 
Fields inherited from class org.apache.openjpa.persistence.criteria.Expressions.BinarayFunctionalExpression
e1, e2
 
Constructor Summary
Expressions.Diff(Expression<? extends Number> x, Expression<? extends Number> y)
           
Expressions.Diff(Expression<? extends Number> x, Number y)
           
Expressions.Diff(Number x, Expression<? extends Number> y)
           
 
Method Summary
 StringBuilder asValue(AliasContext q)
          Get a string representation of this node as a value in the context of the given query.
 Value toValue(ExpressionFactory factory, CriteriaQueryImpl<?> q)
          Bridge contract to convert this facade expression to a kernel value.
 
Methods inherited from class org.apache.openjpa.persistence.criteria.Expressions.BinarayFunctionalExpression
acceptVisit
 
Methods inherited from class org.apache.openjpa.persistence.criteria.ExpressionImpl
as, in, in, in, in, isNotNull, isNull, toKernelExpression
 
Methods inherited from class org.apache.openjpa.persistence.criteria.SelectionImpl
alias, asProjection, assertValidName, asVariable, getAlias, getCompoundSelectionItems, getJavaType, isAliased, isAutoAliased, isCompoundSelection, setAutoAlias
 
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.Selection
alias, getCompoundSelectionItems, isCompoundSelection
 
Methods inherited from interface javax.persistence.TupleElement
getAlias, getJavaType
 

Constructor Detail

Expressions.Diff

public Expressions.Diff(Expression<? extends Number> x,
                        Expression<? extends Number> y)

Expressions.Diff

public Expressions.Diff(Expression<? extends Number> x,
                        Number y)

Expressions.Diff

public Expressions.Diff(Number x,
                        Expression<? extends Number> y)
Method Detail

toValue

public Value toValue(ExpressionFactory factory,
                     CriteriaQueryImpl<?> q)
Description copied from class: ExpressionImpl
Bridge contract to convert this facade expression to a kernel value.

Specified by:
toValue in class ExpressionImpl<N extends Number>
Parameters:
factory - creates the kernel expression
q - the query definition context of this expression
Returns:
an equivalent kernel value

asValue

public StringBuilder asValue(AliasContext q)
Description copied from interface: CriteriaExpression
Get a string representation of this node as a value in the context of the given query.

Specified by:
asValue in interface CriteriaExpression
Overrides:
asValue in class SelectionImpl<N extends Number>


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