io.konig.formula

Class HasAggregationVisitor

java.lang.Object

io.konig.formula.HasAggregationVisitor

All Implemented Interfaces:

FormulaVisitor

public class HasAggregationVisitor
extends Object
implements FormulaVisitor

A Formula visitor that determines whether some formula contains a FunctionExpression that performs aggregation.

Author:

Greg McFall

Constructor Summary

Constructors

Constructor and Description
HasAggregationVisitor()

Method Summary

Modifier and Type	Method and Description
void	enter(Formula formula)
void	exit(Formula formula)
void	reset()
boolean	visitedAggregation() Returns true if this visitor encountered a FunctionExpression that performs an aggregation and false otherwise.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HasAggregationVisitor

public HasAggregationVisitor()

Method Detail

reset

public void reset()

visitedAggregation

public boolean visitedAggregation()

Returns true if this visitor encountered a FunctionExpression that performs an aggregation and false otherwise.

enter

public void enter(Formula formula)

Specified by:

enter in interface FormulaVisitor

exit

public void exit(Formula formula)

Specified by:

exit in interface FormulaVisitor