it.uniroma2.art.owlart.models.impl
Class ResourceIteratorFilteringNodeIterator

java.lang.Object
  it.uniroma2.art.owlart.navigation.RDFIteratorImpl<ARTResource>
      it.uniroma2.art.owlart.models.impl.ResourceIteratorFilteringNodeIterator

All Implemented Interfaces:

ARTResourceIterator, RDFIterator<ARTResource>, java.util.Iterator<ARTResource>

public class ResourceIteratorFilteringNodeIterator
extends RDFIteratorImpl<ARTResource>
implements ARTResourceIterator

retrieves only those nodes which are resources

Author:

Armando Stellato

Constructor Summary

ResourceIteratorFilteringNodeIterator(ARTNodeIterator resIt)

Method Summary

void	close() closes the iterator and release resources
ARTResource	getNext() gets the next element of the iterator, and advances over the data stream (roughly equivalent to traditional next() iterator method)
boolean	streamOpen() tells if the data stream associated to this iterator is not empty (roughly equivalent to traditional hasNext() iterator method)

Methods inherited from class it.uniroma2.art.owlart.navigation.RDFIteratorImpl

hasNext, next, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

hasNext, next, remove

Constructor Detail

ResourceIteratorFilteringNodeIterator

public ResourceIteratorFilteringNodeIterator(ARTNodeIterator resIt)

Method Detail

close

public void close()
           throws ModelAccessException

Description copied from interface: RDFIterator

closes the iterator and release resources

Specified by:

close in interface RDFIterator<ARTResource>

Throws:

ModelAccessException

streamOpen

public boolean streamOpen()
                   throws ModelAccessException

Description copied from interface: RDFIterator

tells if the data stream associated to this iterator is not empty (roughly equivalent to traditional hasNext() iterator method)

Specified by:

streamOpen in interface RDFIterator<ARTResource>

Returns:

Throws:

ModelAccessException

getNext

public ARTResource getNext()
                    throws ModelAccessException

Description copied from interface: RDFIterator

gets the next element of the iterator, and advances over the data stream (roughly equivalent to traditional next() iterator method)

Specified by:

getNext in interface RDFIterator<ARTResource>

Returns:

Throws:

ModelAccessException