com.bigdata.rdf.inf
Class BackchainOwlSameAsIterator

java.lang.Object
  com.bigdata.rdf.inf.BackchainOwlSameAsIterator

All Implemented Interfaces:

IChunkedIterator<ISPO>, IChunkedOrderedIterator<ISPO>, ICloseableIterator<ISPO>, Iterator<ISPO>

Direct Known Subclasses:

BackchainOwlSameAsPropertiesPIterator, BackchainOwlSameAsPropertiesPOIterator, BackchainOwlSameAsPropertiesSPIterator, BackchainOwlSameAsPropertiesSPOIterator

public abstract class BackchainOwlSameAsIterator
extends Object
implements IChunkedOrderedIterator<ISPO>

Field Summary

protected boolean	copyOnly This flag is true since we do NOT want statement identifiers to be generated for inferences produced by the backchainer.
protected AbstractTripleStore	db The database.
protected static org.apache.log4j.Logger	log
protected static long	NULL
protected long	sameAs
protected IChunkedOrderedIterator<ISPO>	src

Fields inherited from interface com.bigdata.striterator.IChunkedIterator

DEFAULT_CHUNK_SIZE

Constructor Summary

BackchainOwlSameAsIterator(IChunkedOrderedIterator<ISPO> src, AbstractTripleStore db, long sameAs)

Method Summary

protected TempTripleStore	createTempTripleStore()
protected void	dumpSPO(ISPO spo)
protected Set<Long>	getSames(long id)
protected void	getSames(long id, Set<Long> sames)
protected Set<Long>	getSelfAndSames(long id)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.bigdata.striterator.IChunkedOrderedIterator

getKeyOrder, nextChunk

Methods inherited from interface com.bigdata.striterator.IChunkedIterator

next, nextChunk, remove

Methods inherited from interface com.bigdata.striterator.ICloseableIterator

close

Methods inherited from interface java.util.Iterator

hasNext

Field Detail

log

protected static final org.apache.log4j.Logger log

NULL

protected static final transient long NULL

See Also:

Constant Field Values

db

protected AbstractTripleStore db

The database.

copyOnly

protected final boolean copyOnly

This flag is true since we do NOT want statement identifiers to be generated for inferences produced by the backchainer.

See Also:

Constant Field Values

sameAs

protected long sameAs

src

protected IChunkedOrderedIterator<ISPO> src

Constructor Detail

BackchainOwlSameAsIterator

public BackchainOwlSameAsIterator(IChunkedOrderedIterator<ISPO> src,
                                  AbstractTripleStore db,
                                  long sameAs)

Method Detail

getSelfAndSames

protected Set<Long> getSelfAndSames(long id)

getSames

protected Set<Long> getSames(long id)

getSames

protected void getSames(long id,
                        Set<Long> sames)

createTempTripleStore

protected TempTripleStore createTempTripleStore()

dumpSPO

protected void dumpSPO(ISPO spo)