org.geotools.feature.collection
Class DelegateFeatureIterator<F extends org.opengis.feature.Feature>

java.lang.Object
  extended by org.geotools.feature.collection.DelegateFeatureIterator<F>
All Implemented Interfaces:
FeatureIterator<F>

public class DelegateFeatureIterator<F extends org.opengis.feature.Feature>
extends java.lang.Object
implements FeatureIterator<F>

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<? extends org.opengis.feature.type.FeatureType,F> collection, java.util.Iterator<F> 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.
 F 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<? extends org.opengis.feature.type.FeatureType,F> collection,
                               java.util.Iterator<F> 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<F extends org.opengis.feature.Feature>
Returns:
true if more Features exist, false otherwise.

next

public F next()
                                           throws java.util.NoSuchElementException
Description copied from interface: FeatureIterator
Get the next Feature in this iteration.

Specified by:
next in interface FeatureIterator<F extends org.opengis.feature.Feature>
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<F extends org.opengis.feature.Feature>


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