org.apache.jena.sparql.engine.join

Class AbstractIterHashJoin

java.lang.Object

org.apache.jena.sparql.util.PrintSerializableBase

org.apache.jena.sparql.engine.iterator.QueryIteratorBase

org.apache.jena.sparql.engine.iterator.QueryIter

org.apache.jena.sparql.engine.iterator.QueryIter2

org.apache.jena.sparql.engine.join.AbstractIterHashJoin

All Implemented Interfaces:

Iterator<Binding>, org.apache.jena.atlas.io.Printable, org.apache.jena.atlas.lib.Closeable, QueryIterator, PrintSerializable

Direct Known Subclasses:

QueryIterHashJoin, QueryIterHashLeftJoin_Left, QueryIterHashLeftJoin_Right

public abstract class AbstractIterHashJoin
extends QueryIter2

Hash join algorithm This code materializes one input into the probe table then hash joins the other input from the stream side.

Field Summary

Fields inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase

traceIterators

Method Summary

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIter2

output

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIter

close, getExecContext, getIteratorNumber, makeTracked, map, materialize, materialize, output

Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase

cancel, debug, hasNext, next, nextBinding, remove

Methods inherited from class org.apache.jena.sparql.util.PrintSerializableBase

toString, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.jena.sparql.engine.QueryIterator

isJoinIdentity

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface org.apache.jena.sparql.util.PrintSerializable

toString