org.openrdf.repository.object.result
Class ObjectIterator<S,E>

java.lang.Object
  org.openrdf.repository.object.result.ObjectIterator<S,E>

Type Parameters:

S - Type of the delegate (Statement)

E - Type of the result

All Implemented Interfaces:

Iterator<E>

public abstract class ObjectIterator<S,E>
extends Object
implements Iterator<E>

A general purpose iteration wrapping Sesame's iterations. This class converts the results, converts the Exceptions into RDFObjectRuntimeExeptions, and ensures that the iteration is closed when all values have been read (on { next()).

Author:

James Leigh

Constructor Summary

ObjectIterator(CloseableIteration<? extends S,?> delegate)

Method Summary

<C extends Collection<? super E>> C	addTo(C collection)
List<E>	asList()
Set<E>	asSet()
void	close()
static void	close(Iterator<?> iter)
protected E	convert(S element)
boolean	hasNext()
E	next()
void	remove()
protected void	remove(S element)
E	singleResult()

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectIterator

public ObjectIterator(CloseableIteration<? extends S,?> delegate)

Method Detail

close

public static void close(Iterator<?> iter)

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

close

public void close()

singleResult

public E singleResult()
               throws RepositoryException

Throws:

RepositoryException

asList

public List<E> asList()
               throws RepositoryException

Throws:

RepositoryException

asSet

public Set<E> asSet()
             throws RepositoryException

Throws:

RepositoryException

addTo

public <C extends Collection<? super E>> C addTo(C collection)
                                      throws RepositoryException

Throws:

RepositoryException

convert

protected E convert(S element)
             throws RepositoryException

Throws:

RepositoryException

remove

protected void remove(S element)
               throws RepositoryException

Throws:

RepositoryException