org.eclipse.rdf4j.sail.shacl.planNodes

Class InnerJoin

java.lang.Object

org.eclipse.rdf4j.sail.shacl.planNodes.InnerJoin

All Implemented Interfaces:

MultiStreamPlanNode, PlanNode

public class InnerJoin
extends Object
implements MultiStreamPlanNode, PlanNode

Author:

Håvard Ottestad

This inner join algorithm assumes the left iterator is unique for tuple[0], eg. no two tuples have the same value at index 0. The right iterator is allowed to contain duplicates.

Constructor Summary

Constructors

Constructor and Description
InnerJoin(PlanNode left, PlanNode right)

Method Summary

Modifier and Type	Method and Description
void	close()
int	depth()
PlanNode	getDiscardedLeft(Class<? extends PushablePlanNode> type)
PlanNode	getDiscardedRight(Class<? extends PushablePlanNode> type)
String	getId()
IteratorData	getIteratorDataType()
PlanNode	getJoined(Class<? extends PushablePlanNode> type)
void	getPlanAsGraphvizDot(StringBuilder stringBuilder)
boolean	incrementIterator()
void	init()
CloseableIteration<Tuple,SailException>	internalIterator()
CloseableIteration<Tuple,SailException>	iterator()
List<PlanNode>	parent()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

InnerJoin

public InnerJoin(PlanNode left,
                 PlanNode right)

Method Detail

parent

public List<PlanNode> parent()

getJoined

public PlanNode getJoined(Class<? extends PushablePlanNode> type)

getDiscardedLeft

public PlanNode getDiscardedLeft(Class<? extends PushablePlanNode> type)

getDiscardedRight

public PlanNode getDiscardedRight(Class<? extends PushablePlanNode> type)

iterator

public CloseableIteration<Tuple,SailException> iterator()

Specified by:

iterator in interface PlanNode

internalIterator

public CloseableIteration<Tuple,SailException> internalIterator()

depth

public int depth()

Specified by:

depth in interface PlanNode

getPlanAsGraphvizDot

public void getPlanAsGraphvizDot(StringBuilder stringBuilder)

Specified by:

getPlanAsGraphvizDot in interface PlanNode

getId

public String getId()

Specified by:

getId in interface PlanNode

getIteratorDataType

public IteratorData getIteratorDataType()

Specified by:

getIteratorDataType in interface PlanNode

toString

public String toString()

Overrides:

toString in class Object

init

public void init()

Specified by:

init in interface MultiStreamPlanNode

close

public void close()

Specified by:

close in interface MultiStreamPlanNode

incrementIterator

public boolean incrementIterator()

Specified by:

incrementIterator in interface MultiStreamPlanNode