ds.tree

Class VisitorImpl<T,R>

java.lang.Object

ds.tree.VisitorImpl<T,R>

Type Parameters:

T,R -

All Implemented Interfaces:

Visitor<T,R>

public abstract class VisitorImpl<T,R>
extends Object
implements Visitor<T,R>

A simple standard implementation for a visitor.

Author:

Dennis Heidsiek

Field Summary

Fields

Modifier and Type	Field and Description
protected R	result

Constructor Summary

Constructors

Constructor and Description
VisitorImpl()
VisitorImpl(R initialValue)

Method Summary

Methods

Modifier and Type	Method and Description
R	getResult() The visitor can store any type of result object, depending on the context of what it is being used for.
abstract void	visit(String key, ds.tree.RadixTreeNode<T> parent, ds.tree.RadixTreeNode<T> node) This method gets called by visit when it finds a node matching the key given to it.

Methods inherited from class java.lang.Object

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

Field Detail

result

protected R result

Constructor Detail

VisitorImpl

public VisitorImpl()

VisitorImpl

public VisitorImpl(R initialValue)

Method Detail

getResult

public R getResult()

Description copied from interface: Visitor

The visitor can store any type of result object, depending on the context of what it is being used for.

Specified by:

getResult in interface Visitor<T,R>

Returns:

The result captured by the visitor.

visit

public abstract void visit(String key,
         ds.tree.RadixTreeNode<T> parent,
         ds.tree.RadixTreeNode<T> node)

Description copied from interface: Visitor

This method gets called by visit when it finds a node matching the key given to it.

Specified by:

visit in interface Visitor<T,R>

Parameters:

key - The key that matched the node

parent - The parent of the node being visited

node - The node that is being visited