Package thing

Class ComponentWalker

java.lang.Object

thing.ComponentWalker

public class ComponentWalker
extends Object

A depth-first tree walker for Thinlet components.

Author:

Dirk Moebius

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ComponentWalker.Visitor	A visitor interface for the ComponentWalker.

Constructor Summary

Constructors

Constructor	Description
ComponentWalker()	Create a new ComponentWalker.

Method Summary

Modifier and Type	Method	Description
boolean	walk(thinlet.Thinlet thinlet, Object component, ComponentWalker.Visitor visitor)	Walk the component hierarchy starting at component.

Methods inherited from class java.lang.Object

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

Constructor Details

ComponentWalker

public ComponentWalker()

Create a new ComponentWalker.

Method Details

walk

public boolean walk(thinlet.Thinlet thinlet,
 Object component,
 ComponentWalker.Visitor visitor)

Walk the component hierarchy starting at component.

Parameters:

thinlet - the Thinlet that contains the components.

component - where to start the walk.

visitor - a visitor that is called each time a new component is visited.

Returns:

false if the tree walk has ended prematurely before all children have been visited, because the visitor returned false on a call to ComponentWalker.Visitor.visit(Object,int).