org.deegree.feature.persistence.query
Class IteratorResultSet

java.lang.Object
  org.deegree.feature.persistence.query.IteratorResultSet

All Implemented Interfaces:

java.lang.Iterable<Feature>, FeatureResultSet

public class IteratorResultSet
extends java.lang.Object
implements FeatureResultSet

FeatureResultSet backed by a CloseableIterator.

Version:

$Revision: 21300 $, $Date: 2009-12-07 22:38:20 +0100 (Mo, 07. Dez 2009) $

Author:

Markus Schneider, last edited by: $Author: mschneider $

Constructor Summary

IteratorResultSet(CloseableIterator<Feature> featureIter)
Creates a new IteratorResultSet that is backed by the given FeatureCollection.

Method Summary

void	close() Must be invoked after using to close underlying resources, e.g.
java.util.Iterator<Feature>	iterator()
FeatureCollection	toCollection() Returns all members of the FeatureResultSet as a FeatureCollection.

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorResultSet

public IteratorResultSet(CloseableIterator<Feature> featureIter)

Creates a new IteratorResultSet that is backed by the given FeatureCollection.

Parameters:

featureIter -

Method Detail

close

public void close()

Description copied from interface: FeatureResultSet

Must be invoked after using to close underlying resources, e.g. SQL ResultSets.

Specified by:

close in interface FeatureResultSet

toCollection

public FeatureCollection toCollection()

Description copied from interface: FeatureResultSet

Returns all members of the FeatureResultSet as a FeatureCollection.

NOTE: This method should not be called for very large result sets, as it introduces the overhead of keeping all created feature instances in memory. The returned collection will contain all Features instances from the current position in the iteration sequence.

Specified by:

toCollection in interface FeatureResultSet

Returns:

members as feature collection, never null

iterator

public java.util.Iterator<Feature> iterator()

Specified by:

iterator in interface java.lang.Iterable<Feature>