org.apache.openjpa.persistence.criteria
Class Expressions.FunctionalExpression<X>

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.FunctionalExpression<X>
Type Parameters:
X - the type of the resultant expression
All Implemented Interfaces:
Expression<X>, Selection<X>, TupleElement<X>, CriteriaExpression
Direct Known Subclasses:
Expressions.DatabaseFunction
Enclosing class:
Expressions

public abstract static class Expressions.FunctionalExpression<X>
extends ExpressionImpl<X>

Functional Expression applies a function on a list of input Expressions.


Field Summary
protected  ExpressionImpl<?>[] args
           
 
Constructor Summary
Expressions.FunctionalExpression(Class<X> t, Expression<?>... args)
          Supply the resultant type and list of input operand expressions.
 
Method Summary
 void acceptVisit(CriteriaExpressionVisitor visitor)
          Accept visit from the given visitor.
 
Methods inherited from class org.apache.openjpa.persistence.criteria.ExpressionImpl
as, in, in, in, in, isNotNull, isNull, toKernelExpression, toValue
 
Methods inherited from class org.apache.openjpa.persistence.criteria.SelectionImpl
alias, asProjection, assertValidName, asValue, 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
 

Field Detail

args

protected final ExpressionImpl<?>[] args
Constructor Detail

Expressions.FunctionalExpression

public Expressions.FunctionalExpression(Class<X> t,
                                        Expression<?>... args)
Supply the resultant type and list of input operand expressions.

Method Detail

acceptVisit

public void acceptVisit(CriteriaExpressionVisitor visitor)
Description copied from interface: CriteriaExpression
Accept visit from the given visitor. The receiver is responsible to propagate the visitor to the constituent sub-nodes if any.

Specified by:
acceptVisit in interface CriteriaExpression
Overrides:
acceptVisit in class SelectionImpl<X>
Parameters:
visitor - a processor to walk the nodes of a tree.


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