org.gvsig.fmap.mapcontext.layers

Class LayersIterator

java.lang.Object

org.gvsig.fmap.mapcontext.layers.LayersIterator

All Implemented Interfaces:

Iterator

Direct Known Subclasses:

ValidationLayerIterator

public class LayersIterator
extends Object
implements Iterator

Interator for iterate in a Layers tree

Extend this class to create an expecific layer iterator and override the method evaluate for check if a layer will be in the iteration list.

Constructor Summary

Constructors

Constructor and Description
LayersIterator()
LayersIterator(FLayer layer)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	appendLayer(FLayer layer)
boolean	evaluate(FLayer layer) Called before add a layer to the iteration list.
boolean	hasNext()
Object	next()
FLayer	nextLayer() Returns the next layer in the iteration.
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

LayersIterator

public LayersIterator()

LayersIterator

public LayersIterator(FLayer layer)

Method Detail

appendLayer

protected void appendLayer(FLayer layer)

remove

public void remove()

Specified by:

remove in interface Iterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public Object next()

Specified by:

next in interface Iterator

nextLayer

public FLayer nextLayer()

Returns the next layer in the iteration.

Returns:

the next layer in the iteration.

Throws:

NoSuchElementException - iteration has no more elements.

See Also:

next()

evaluate

public boolean evaluate(FLayer layer)

Called before add a layer to the iteration list.

Parameters:

layer - the layer to check

Returns:

true if the layer will be in the iteration list