com.mattunderscore.trees.walkers

Class NodeToElementWalker<E,N extends OpenNode<E,N>>

java.lang.Object

com.mattunderscore.trees.walkers.NodeToElementWalker<E,N>

All Implemented Interfaces:

Walker<N>

public final class NodeToElementWalker<E,N extends OpenNode<E,N>>
extends Object
implements Walker<N>

A Node walker that unwraps the elements and passes them to a delegated element walker.

Author:

Matt Champion on 10/09/14.

Constructor Summary

Constructors

Constructor and Description
NodeToElementWalker(Walker<E> delegateWalker)

Method Summary

Modifier and Type	Method and Description
void	onCompleted() Invoked after all others have been invoked.
void	onEmpty() Invoked if the collection is empty.
boolean	onNext(N node) Invoked for each element.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeToElementWalker

public NodeToElementWalker(Walker<E> delegateWalker)

Method Detail

onEmpty

public void onEmpty()

Description copied from interface: Walker

Invoked if the collection is empty.

Specified by:

onEmpty in interface Walker<N extends OpenNode<E,N>>

onNext

public boolean onNext(N node)

Description copied from interface: Walker

Invoked for each element.

Specified by:

onNext in interface Walker<N extends OpenNode<E,N>>

Parameters:

node - The element

Returns:

true if the walker should continue to the next element

onCompleted

public void onCompleted()

Description copied from interface: Walker

Invoked after all others have been invoked. Not invoked if false is returned from onNext.

Specified by:

onCompleted in interface Walker<N extends OpenNode<E,N>>