Package se.liu.ida.hefquin.engine.queryplan.executable.impl.ops

Class BaseForExecOpBindJoinSPARQL

java.lang.Object

se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOps

se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.UnaryExecutableOpBase

se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoin<QueryType,MemberType>

se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoinWithRequestOps<SPARQLGraphPattern,SPARQLEndpoint>

se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoinSPARQL

All Implemented Interfaces:

StatsProvider, ExecutableOperator, UnaryExecutableOp

Direct Known Subclasses:

ExecOpBindJoinSPARQLwithFILTER, ExecOpBindJoinSPARQLwithUNION, ExecOpBindJoinSPARQLwithVALUES

public abstract class BaseForExecOpBindJoinSPARQL
extends BaseForExecOpBindJoinWithRequestOps<SPARQLGraphPattern,SPARQLEndpoint>

A base class for all variations of the bind join algorithm that use some form of SPARQL requests.

Nested Class Summary

Nested classes/interfaces inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoinWithRequestOps

BaseForExecOpBindJoinWithRequestOps.MyIntermediateResultElementSink, BaseForExecOpBindJoinWithRequestOps.MyIntermediateResultElementSinkOuterJoin

Field Summary

Fields

Modifier and Type	Field	Description
protected final List<org.apache.jena.sparql.core.Var>	varsInSubQuery

Fields inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoinWithRequestOps

minimumRequestBlockSize, numberOfRequestOpsUsed, requestBlockSize, requestBlockSizeWasReduced, statsOfFirstReqOp, statsOfLastReqOp, useOuterJoinSemantics, varsInPatternForFM

Fields inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoin

defaultPreferredInputBlockSize, fm, query

Fields inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.UnaryExecutableOpBase

timeAtCurrentProcStart

Fields inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOps

collectExceptions

Constructor Summary

Constructors

Constructor	Description
BaseForExecOpBindJoinSPARQL(BGP query, SPARQLEndpoint fm, boolean useOuterJoinSemantics, boolean collectExceptions)
BaseForExecOpBindJoinSPARQL(SPARQLGraphPattern query, SPARQLEndpoint fm, boolean useOuterJoinSemantics, boolean collectExceptions)
BaseForExecOpBindJoinSPARQL(TriplePattern query, SPARQLEndpoint fm, boolean useOuterJoinSemantics, boolean collectExceptions)

Method Summary

Methods inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoinWithRequestOps

_process, _process, _processWithoutSplittingInputFirst, createExecutableRequestOperator, createStats, extractUnjoinableInputSMs, reduceRequestBlockSize, resetStats

Methods inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpBindJoin

_concludeExecution, preferredInputBlockSize

Methods inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.UnaryExecutableOpBase

concludeExecution, getStats, process

Methods inherited from class se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOps

getExceptionsCaughtDuringExecution, recordExceptionCaughtDuringExecution

Methods inherited from class java.lang.Object

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

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.executable.ExecutableOperator

getExceptionsCaughtDuringExecution

Field Details

varsInSubQuery

protected final List<org.apache.jena.sparql.core.Var> varsInSubQuery

Constructor Details

BaseForExecOpBindJoinSPARQL

public BaseForExecOpBindJoinSPARQL(TriplePattern query,
 SPARQLEndpoint fm,
 boolean useOuterJoinSemantics,
 boolean collectExceptions)

BaseForExecOpBindJoinSPARQL

public BaseForExecOpBindJoinSPARQL(BGP query,
 SPARQLEndpoint fm,
 boolean useOuterJoinSemantics,
 boolean collectExceptions)

BaseForExecOpBindJoinSPARQL

public BaseForExecOpBindJoinSPARQL(SPARQLGraphPattern query,
 SPARQLEndpoint fm,
 boolean useOuterJoinSemantics,
 boolean collectExceptions)