cb.util

Class PiggybackVisitor

java.lang.Object

cb.petal.DescendingVisitor

cb.util.PiggybackVisitor

All Implemented Interfaces:

Visitor

public class PiggybackVisitor
extends DescendingVisitor

Just take a visitor "piggy-backed" and apply it to all petal objects during traversal. This useful when translating petal files to other structures, e.g., a converter to Java. This class is related to the Builder pattern; the piggy-backed visitor will usually be a subclass of EmptyVisitor.

Version:

$Id: PiggybackVisitor.java,v 1.2 2001/06/22 09:07:13 dahm Exp $

Author:

M. Dahm

See Also:

EmptyVisitor

Constructor Summary

Constructors

Constructor and Description
PiggybackVisitor(Visitor v) initialize me with another visitor

Method Summary

Modifier and Type	Method and Description
void	visit(List list) apply both visitors to lists
void	visitObject(PetalObject obj) apply both visitors for the given obj

Methods inherited from class cb.petal.DescendingVisitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

PiggybackVisitor

public PiggybackVisitor(Visitor v)

initialize me with another visitor

Parameters:

v -

Method Detail

visit

public void visit(List list)

apply both visitors to lists

Specified by:

visit in interface Visitor

Overrides:

visit in class DescendingVisitor

visitObject

public void visitObject(PetalObject obj)

apply both visitors for the given obj

Overrides:

visitObject in class DescendingVisitor

Parameters:

obj - - the object to visit