org.jrdf.graph.local.disk.iterator
Class BTreeGraphIterator

java.lang.Object
  org.jrdf.graph.local.disk.iterator.BTreeGraphIterator

All Implemented Interfaces:

Iterator<Triple>, ClosableIterator<Triple>

public class BTreeGraphIterator
extends Object
implements ClosableIterator<Triple>

Constructor Summary

BTreeGraphIterator(TripleBTree newBTree, GraphHandler newHandler, Long... nodes)

Method Summary

boolean	close() Closes the iterator by freeing any resources that it current holds.
boolean	hasNext()
Triple	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

BTreeGraphIterator

public BTreeGraphIterator(TripleBTree newBTree,
                          GraphHandler newHandler,
                          Long... nodes)

Method Detail

close

public boolean close()

Description copied from interface: ClosableIterator

Closes the iterator by freeing any resources that it current holds.

This must be done as soon as possible. Once an iterator is closed none of the operations on a iterator will operate i.e. they will throw an exception.

Specified by:

close in interface ClosableIterator<Triple>

Returns:

true if it was successfully closed.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Triple>

next

public Triple next()

Specified by:

next in interface Iterator<Triple>

remove

public void remove()

Specified by:

remove in interface Iterator<Triple>