Class Expressions.FunctionalExpression<X>

  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:
Enclosing class:

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


protected final ExpressionImpl<?>[] args
Constructor Detail


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

Method Detail


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
acceptVisit in class SelectionImpl<X>
visitor - a processor to walk the nodes of a tree.

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