org.geotools.feature.collection
Class DelegateFeatureIterator

java.lang.Object
  org.geotools.feature.collection.DelegateFeatureIterator

All Implemented Interfaces:

FeatureIterator

public class DelegateFeatureIterator

extends java.lang.Object

implements FeatureIterator

A feature iterator that completely delegates to a normal Iterator, simply allowing Java 1.4 code to escape the caste (sic) system.

This implementation is not suitable for use with collections that make use of system resources. As an alterantive please see ResourceFetaureIterator.

Author:

Jody Garnett, Refractions Research, Inc.

Constructor Summary

DelegateFeatureIterator(FeatureCollection collection, java.util.Iterator iterator)
Wrap the provided iterator up as a FeatureIterator.

Method Summary

void	close() Required so FeatureCollection classes can implement close( FeatureIterator ).
boolean	hasNext() Does another Feature exist in this Iteration.
Feature	next() Get the next Feature in this iteration.

Methods inherited from class java.lang.Object

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

Constructor Detail

DelegateFeatureIterator

public DelegateFeatureIterator(FeatureCollection collection,
                               java.util.Iterator iterator)

Wrap the provided iterator up as a FeatureIterator.

Parameters:

iterator - Iterator to be used as a delegate.

Method Detail

hasNext

public boolean hasNext()

Description copied from interface: FeatureIterator

Does another Feature exist in this Iteration.

Iterator defin: Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)

Specified by:

hasNext in interface FeatureIterator

Returns:

true if more Features exist, false otherwise.

next

public Feature next()
             throws java.util.NoSuchElementException

Description copied from interface: FeatureIterator

Get the next Feature in this iteration.

Specified by:

next in interface FeatureIterator

Returns:

The next Feature

Throws:

java.util.NoSuchElementException - If no more Features exist.

close

public void close()

Description copied from interface: FeatureIterator

Required so FeatureCollection classes can implement close( FeatureIterator ).

Specified by:

close in interface FeatureIterator