org.rdfhdt.hdt.triples.impl

Class BitmapTriplesIteratorYFOQ

java.lang.Object

org.rdfhdt.hdt.triples.impl.BitmapTriplesIteratorYFOQ

All Implemented Interfaces:

Iterator<TripleID>, IteratorTripleID

public class BitmapTriplesIteratorYFOQ
extends Object
implements IteratorTripleID

Iterates over all Y components of a BitmapTriples. i.e. In SPO it would iterate over all appearances of a predicate ?P?

Author:

mario.arias

Constructor Summary

Constructors

Constructor and Description
BitmapTriplesIteratorYFOQ(BitmapTriples triples, TripleID pattern)

Method Summary

Modifier and Type	Method and Description
boolean	canGoTo()
long	estimatedNumResults()
TripleComponentOrder	getOrder()
void	goTo(long pos)
void	goToStart()
boolean	hasNext()
boolean	hasPrevious()
TripleID	next()
ResultEstimationType	numResultEstimation()
TripleID	previous()
void	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

forEachRemaining

Constructor Detail

BitmapTriplesIteratorYFOQ

public BitmapTriplesIteratorYFOQ(BitmapTriples triples,
                                 TripleID pattern)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<TripleID>

next

public TripleID next()

Specified by:

next in interface Iterator<TripleID>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface IteratorTripleID

previous

public TripleID previous()

Specified by:

previous in interface IteratorTripleID

goToStart

public void goToStart()

Specified by:

goToStart in interface IteratorTripleID

estimatedNumResults

public long estimatedNumResults()

Specified by:

estimatedNumResults in interface IteratorTripleID

numResultEstimation

public ResultEstimationType numResultEstimation()

Specified by:

numResultEstimation in interface IteratorTripleID

canGoTo

public boolean canGoTo()

Specified by:

canGoTo in interface IteratorTripleID

goTo

public void goTo(long pos)

Specified by:

goTo in interface IteratorTripleID

getOrder

public TripleComponentOrder getOrder()

Specified by:

getOrder in interface IteratorTripleID

remove

public void remove()

Specified by:

remove in interface Iterator<TripleID>