no.sesat.search.query.finder
Class Counter

java.lang.Object
  no.sesat.commons.visitor.AbstractReflectionVisitor
      no.sesat.search.query.finder.Counter

All Implemented Interfaces:

Serializable, no.sesat.commons.visitor.Visitor

public final class Counter
extends no.sesat.commons.visitor.AbstractReflectionVisitor
implements Serializable

Simple visitor used to count the number of leaves under a given clause.

Version:

$Id: Counter.java 7225 2009-04-09 00:32:20Z ssmiweve $

See Also:

Serialized Form

Field Summary

Fields inherited from class no.sesat.commons.visitor.AbstractReflectionVisitor

VISIT_METHOD_IMPL

Constructor Summary

Counter()

Method Summary

int	getTermCount(Clause root) Get the count of leaves under this clause.
protected void	visitImpl(BinaryClause clause)
protected void	visitImpl(LeafClause clause)
protected void	visitImpl(UnaryClause clause)
protected void	visitImpl(XorClause clause)

Methods inherited from class no.sesat.commons.visitor.AbstractReflectionVisitor

visit, visitImpl

Methods inherited from class java.lang.Object

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

Constructor Detail

Counter

public Counter()

Method Detail

getTermCount

public int getTermCount(Clause root)

Get the count of leaves under this clause. Subsequent calls with the same argument will return a cached result.

Parameters:

root - the clause to count leaves within

Returns:

the number of LeafClauses found under the root clause.

visitImpl

protected void visitImpl(UnaryClause clause)

Parameters:

clause -

visitImpl

protected void visitImpl(XorClause clause)

Parameters:

clause -

visitImpl

protected void visitImpl(BinaryClause clause)

Parameters:

clause -

visitImpl

protected void visitImpl(LeafClause clause)

Parameters:

clause -