Opus5
Class PostOrder

java.lang.Object
  |
  +--Opus5.AbstractPrePostVisitor
        |
        +--Opus5.PostOrder

All Implemented Interfaces:

PrePostVisitor

public class PostOrder

extends AbstractPrePostVisitor

Adapter to convert a Visitor to a PrePostVisitor. Used in conjunction with various depth-first traversal routines to implement postorder traversal.

Version:

$Id: PostOrder.java,v 3.2 1998/07/28 13:58:49 brpreiss Exp $

Author:

Bruno R. Preiss, P.Eng.

See Also:

Tree.depthFirstTraversal(Opus5.PrePostVisitor), Graph.depthFirstTraversal(Opus5.PrePostVisitor, int)

Field Summary

protected Visitor

visitor A visitor.

Fields inherited from interface Opus5.PrePostVisitor

copyright

Constructor Summary

PostOrder(Visitor visitor)
Constructs a PostOrder visitor using the specified visitor.

Method Summary

boolean	isDone() Invokes the isDone method on the visitor to which the the visitor field refers.
void	postVisit(java.lang.Object object) Invokes the visit method on the visitor to which the the visitor field refers using the specified object.

Methods inherited from class Opus5.AbstractPrePostVisitor

inVisit, preVisit

Methods inherited from class java.lang.Object

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

Field Detail

visitor

protected Visitor visitor

A visitor.

Constructor Detail

PostOrder

public PostOrder(Visitor visitor)

Constructs a PostOrder visitor using the specified visitor.

Parameters:

visitor - The visitor to adapt.

Method Detail

postVisit

public void postVisit(java.lang.Object object)

Invokes the visit method on the visitor to which the the visitor field refers using the specified object.

Overrides:

postVisit in class AbstractPrePostVisitor

Parameters:

object - The object to visit.

isDone

public boolean isDone()

Invokes the isDone method on the visitor to which the the visitor field refers.

Overrides:

isDone in class AbstractPrePostVisitor

Returns:

True if the visitor is done.