Class ExecOpIndexNestedLoopsJoinTPF

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.BaseForUnaryExecOpWithCollectedInput

se.liu.ida.hefquin.engine.queryplan.executable.impl.ops.BaseForExecOpIndexNestedLoopsJoinWithRequestOps<TriplePattern,TPFServer>

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

All Implemented Interfaces:

StatsProvider, ExecutableOperator, UnaryExecutableOp

public class ExecOpIndexNestedLoopsJoinTPF
extends BaseForExecOpIndexNestedLoopsJoinWithRequestOps<TriplePattern,TPFServer>

May be used for brTPF servers as well (in fact, BRTPFServer is a specialization of TPFServer).

Nested Class Summary

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

BaseForExecOpIndexNestedLoopsJoinWithRequestOps.MyIntermediateResultElementSink, BaseForExecOpIndexNestedLoopsJoinWithRequestOps.MyIntermediateResultElementSinkOuterJoin

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_INPUT_BLOCK_SIZE

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

fm, numberOfOutputMappingsProduced, numberOfRequestOpsUsed, query, statsOfLastReqOp, useOuterJoinSemantics

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

collectedInputSolMaps, minimumCollectionSize

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

collectExceptions, qpInfo

Constructor Summary

Constructors

Constructor	Description
ExecOpIndexNestedLoopsJoinTPF(TriplePattern query, TPFServer fm, boolean useOuterJoinSemantics, boolean collectExceptions, QueryPlanningInfo qpInfo)
ExecOpIndexNestedLoopsJoinTPF(TriplePattern query, TPFServer fm, boolean useOuterJoinSemantics, int minimumInputBlockSize, boolean collectExceptions, QueryPlanningInfo qpInfo)

Method Summary

Modifier and Type	Method	Description
protected NullaryExecutableOp	createExecutableRequestOperator(SolutionMapping inputSolMap)
protected TriplePatternRequest	createRequest(SolutionMapping inputSolMap)

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

_concludeExecution, _processCollectedInput, createProcessor, createStats, initiateProcessing, initiateProcessing, resetStats

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

_concludeExecution, _process, _process

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

concludeExecution, getStats, process, process

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

getExceptionsCaughtDuringExecution, getQueryPlanningInfo, 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, getQueryPlanningInfo

Field Details

DEFAULT_INPUT_BLOCK_SIZE

public static final int DEFAULT_INPUT_BLOCK_SIZE

See Also:

• Constant Field Values

Constructor Details

ExecOpIndexNestedLoopsJoinTPF

public ExecOpIndexNestedLoopsJoinTPF(TriplePattern query,
 TPFServer fm,
 boolean useOuterJoinSemantics,
 int minimumInputBlockSize,
 boolean collectExceptions,
 QueryPlanningInfo qpInfo)

ExecOpIndexNestedLoopsJoinTPF

public ExecOpIndexNestedLoopsJoinTPF(TriplePattern query,
 TPFServer fm,
 boolean useOuterJoinSemantics,
 boolean collectExceptions,
 QueryPlanningInfo qpInfo)

Method Details

createExecutableRequestOperator

protected NullaryExecutableOp createExecutableRequestOperator(SolutionMapping inputSolMap)
                                                       throws VariableByBlankNodeSubstitutionException

Specified by:

createExecutableRequestOperator in class BaseForExecOpIndexNestedLoopsJoinWithRequestOps<TriplePattern,TPFServer>

Throws:

VariableByBlankNodeSubstitutionException

createRequest

protected TriplePatternRequest createRequest(SolutionMapping inputSolMap)
                                      throws VariableByBlankNodeSubstitutionException

Throws:

VariableByBlankNodeSubstitutionException