Uses of Interface
se.liu.ida.hefquin.engine.queryproc.QueryProcContext

Packages that use QueryProcContext

Package	Description
se.liu.ida.hefquin.engine
se.liu.ida.hefquin.engine.queryproc
se.liu.ida.hefquin.engine.queryproc.impl
se.liu.ida.hefquin.engine.queryproc.impl.cardinality
se.liu.ida.hefquin.engine.queryproc.impl.loptimizer
se.liu.ida.hefquin.engine.queryproc.impl.loptimizer.heuristics
se.liu.ida.hefquin.engine.queryproc.impl.poptimizer
se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.cardinality
se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel
se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.utils
se.liu.ida.hefquin.engine.queryproc.impl.srcsel
se.liu.ida.hefquin.service

Uses of QueryProcContext in se.liu.ida.hefquin.engine

Methods in se.liu.ida.hefquin.engine with parameters of type QueryProcContext

Modifier and Type	Method	Description
protected QueryProcessingStatsAndExceptions	HeFQUINEngine._execAndPrint(org.apache.jena.query.Query query, org.apache.jena.sparql.resultset.ResultsFormat outputFormat, PrintStream output, QueryProcContext ctx)
QueryProcessingStatsAndExceptions	HeFQUINEngine.executeQueryAndPrintResult(org.apache.jena.query.Query query, org.apache.jena.sparql.resultset.ResultsFormat outputFormat, PrintStream output, QueryProcContext ctx)	Executes the given query and prints the result to the given output, in the given format.
QueryProcessingOutput	HeFQUINEngine.executeSelectQuery(org.apache.jena.query.Query query, QueryProcContext ctx)	Assuming the given query is a SELECT query, this function executes that query and returns an output object from which the query result can be obtained as a ResultSet.

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc

Subinterfaces of QueryProcContext in se.liu.ida.hefquin.engine.queryproc

Modifier and Type	Interface	Description
interface	QueryProcContextExt

Methods in se.liu.ida.hefquin.engine.queryproc that return QueryProcContext

Modifier and Type	Method	Description
QueryProcContext	QueryProcContextBuilder.build()

Methods in se.liu.ida.hefquin.engine.queryproc with parameters of type QueryProcContext

Modifier and Type	Method	Description
void	CardinalityEstimator.addCardinalities(QueryProcContext ctx, LogicalPlan... plans)	Annotates each of the given plans (including, recursively, each of their subplans) with estimates regarding their result cardinalities.
void	CardinalityEstimator.addCardinalities(QueryProcContext ctx, PhysicalPlan... plans)	Annotates each of the given plans (including, recursively, each of their subplans) with estimates regarding their result cardinalities.
Pair<LogicalPlan,SourcePlanningStats>	SourcePlanner.createSourceAssignment(Query query, QueryProcContext ctxt)	The logical plan returned by this method is a source assignment (see Definition 8 of our FedQPL paper); that is, the only types of operators that it contains are request operators ( invalid reference LogicalOpRequest ), multiway joins ( invalid reference LogicalOpMultiwayJoin ), and multiway unions ( invalid reference LogicalOpMultiwayUnion ).
LogicalPlan	LogicalOptimizer.optimize(LogicalPlan inputPlan, boolean keepNaryOperators, QueryProcContext ctxt)
QueryProcessingStatsAndExceptions	QueryProcessor.processQuery(Query query, QueryResultSink resultSink, QueryProcContext ctx)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl

Classes in se.liu.ida.hefquin.engine.queryproc.impl that implement QueryProcContext

Modifier and Type	Class	Description
protected class	QueryProcessorImpl.MyQueryProcContextExt

Fields in se.liu.ida.hefquin.engine.queryproc.impl declared as QueryProcContext

Modifier and Type	Field	Description
protected final QueryProcContext	QueryProcessorImpl.MyQueryProcContextExt.wrapped

Methods in se.liu.ida.hefquin.engine.queryproc.impl with parameters of type QueryProcContext

Modifier and Type	Method	Description
QueryProcessingStatsAndExceptions	QueryProcessorImpl.processQuery(Query query, QueryResultSink resultSink, QueryProcContext ctx)

Constructors in se.liu.ida.hefquin.engine.queryproc.impl with parameters of type QueryProcContext

Modifier	Constructor	Description
	MyQueryProcContextExt(QueryProcContext wrapped)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.cardinality

Methods in se.liu.ida.hefquin.engine.queryproc.impl.cardinality with parameters of type QueryProcContext

Modifier and Type	Method	Description
void	RequestBasedCardinalityEstimator.addCardinalities(QueryProcContext ctx, LogicalPlan... plans)
void	RequestBasedCardinalityEstimator.addCardinalities(QueryProcContext ctx, PhysicalPlan... plans)
protected void	RequestBasedCardinalityEstimator.addCardinalitiesForRequests(List<LogicalOpRequest<?,?>> reqOps, List<QueryPlanningInfo> infoObjs, QueryProcContext ctx)
void	RequestBasedCardinalityEstimator.addCardinalitiesForRequests(QueryProcContext ctx, LogicalPlan... plans)	Makes sure that every nullary subplan within each of the given plans is annotated with cardinality estimates (which are determined by issuing cardinality requests).
void	RequestBasedCardinalityEstimator.addCardinalitiesForRequests(QueryProcContext ctx, PhysicalPlan... plans)	Makes sure that every nullary subplan within each of the given plans is annotated with cardinality estimates (which are determined by issuing cardinality requests).

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.loptimizer

Methods in se.liu.ida.hefquin.engine.queryproc.impl.loptimizer with parameters of type QueryProcContext

Modifier and Type	Method	Description
LogicalPlan	ApplyVocabularyMappings.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	HeuristicForLogicalOptimization.apply(LogicalPlan inputPlan, QueryProcContext ctxt)	Applies this heuristics to the given plan and returns the resulting, potentially rewritten plan.
LogicalPlan	HeuristicsBasedLogicalOptimizerImpl.optimize(LogicalPlan inputPlan, boolean keepNaryOperators, QueryProcContext ctxt)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.loptimizer.heuristics

Methods in se.liu.ida.hefquin.engine.queryproc.impl.loptimizer.heuristics with parameters of type QueryProcContext

Modifier and Type	Method	Description
LogicalPlan	CardinalityBasedJoinOrderingBase.apply(LogicalPlan inputPlan, QueryProcContext ctx)
LogicalPlan	FilterPushDown.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	GreedyBasedReordering.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	MergeRequests.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	ProjectPushDown.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	PullUpLtgOverJoin.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	PullUpLtgOverUnion.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	PushJoinUnderUnionWithRequests.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	RemovePairsOfG2lAndL2g.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	RemoveSubPlansWithEmptyResults.apply(LogicalPlan inputPlan, QueryProcContext ctx)
LogicalPlan	RemoveUnnecessaryL2gAndG2l.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)
LogicalPlan	UnionPullUp.apply(LogicalPlan inputPlan, QueryProcContext ctxt2)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer

Methods in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer with parameters of type QueryProcContext

Modifier and Type	Method	Description
CompletableFuture<Integer>	CardinalityEstimation.initiateCardinalityEstimation(PhysicalPlan plan, QueryProcContext ctx)	Asynchronous method that initiates a process to estimate the cardinality of the result that will be produced by the given plan.
CompletableFuture<Double>	CostModel.initiateCostEstimation(PhysicalPlan p, QueryProcContext ctx)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.cardinality

Fields in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.cardinality declared as QueryProcContext

Modifier and Type	Field	Description
protected final QueryProcContext	CardinalityEstimationImpl.WorkerForSubquery.ctx
protected final QueryProcContext	MinBasedCardinalityEstimationImpl.WorkerForJoin.ctx
protected final QueryProcContext	MinBasedCardinalityEstimationImpl.WorkerForUnion.ctx

Methods in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.cardinality with parameters of type QueryProcContext

Modifier and Type	Method	Description
CompletableFuture<Integer>	CardinalityEstimationImpl._initiateCardinalityEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	MinBasedCardinalityEstimationImpl._initiateCardinalityEstimation(PhysicalPlan plan, QueryProcContext ctx)
protected CompletableFuture<Integer>	VarSpecificCardinalityEstimationImpl._initiateCardinalityEstimation(PhysicalPlan plan, org.apache.jena.sparql.core.Var v, QueryProcContext ctx)
protected CompletableFuture<Integer>	VarSpecificCardinalityEstimationImpl._initiateJoinCardinalityEstimation(PhysicalPlan plan1, PhysicalPlan plan2, org.apache.jena.sparql.core.Var v, QueryProcContext ctx)
protected CompletableFuture<Integer>	VarSpecificCardinalityEstimationImpl._initiateMultiwayUnionCardinalityEstimation(PhysicalPlan plan, org.apache.jena.sparql.core.Var v, QueryProcContext ctx)
final CompletableFuture<Integer>	CardinalityEstimationImpl.initiateCardinalityEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	VarSpecificCardinalityEstimation.initiateCardinalityEstimation(PhysicalPlan plan, org.apache.jena.sparql.core.Var v, QueryProcContext ctx)	Asynchronous method that initiates a process to estimate the the variable-specific cardinality of the result that will be produced by the given plan.
CompletableFuture<Integer>	VarSpecificCardinalityEstimationImpl.initiateCardinalityEstimation(PhysicalPlan plan, org.apache.jena.sparql.core.Var v, QueryProcContext ctx)

Constructors in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.cardinality with parameters of type QueryProcContext

Modifier	Constructor	Description
	WorkerForJoin(CardinalityEstimation cardEstimate, PhysicalPlan plan1, PhysicalPlan plan2, QueryProcContext ctx)
	WorkerForSubquery(PhysicalPlan plan, QueryProcContext ctx)
	WorkerForUnion(CardinalityEstimation cardEstimate, PhysicalPlan plan, QueryProcContext ctx)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel

Methods in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.costmodel with parameters of type QueryProcContext

Modifier and Type	Method	Description
protected CompletableFuture<Double>	CostModelImpl._initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRBasedCostFunctionForPlan.aggregateValueForAllSubPlans(Set<PhysicalPlan> visitedPlan, CompletableFuture<Integer> futureForRoot, PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRBasedParallelismCostFunctionForPlan.aggregateValueForAllSubPlans(Set<PhysicalPlan> visitedPlans, CompletableFuture<Integer> futureForRoot, PhysicalPlan plan, QueryProcContext ctx)
protected CompletableFuture<Integer>	CFRBase.initiateCardinalityEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRBasedCostFunctionForPlan.initiateCostEstimation(Set<PhysicalPlan> visitedPlans, PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRNumberOfProcessedSolMaps.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRNumberOfRequests.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRNumberOfTermsShippedInRequests.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRNumberOfTermsShippedInResponses.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRNumberOfVarsShippedInRequests.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CFRNumberOfVarsShippedInResponses.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Integer>	CostFunctionForPlan.initiateCostEstimation(Set<PhysicalPlan> visitedPlans, PhysicalPlan plan, QueryProcContext ctx)	A function for estimating the cost of a plan.
CompletableFuture<Integer>	CostFunctionForRootOp.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)
CompletableFuture<Double>	CostModelImpl.initiateCostEstimation(PhysicalPlan plan, QueryProcContext ctx)

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.utils

Methods in se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.utils with parameters of type QueryProcContext

Modifier and Type	Method	Description
static List<PhysicalPlanWithCost>	PhysicalPlanWithCostUtils.annotatePlansWithCost(CostModel cost, List<PhysicalPlan> plans, QueryProcContext ctx)
static PhysicalPlanWithCost	PhysicalPlanWithCostUtils.annotatePlanWithCost(CostModel cm, PhysicalPlan plan, QueryProcContext ctx)
static Integer[]	CardinalityEstimationUtils.getEstimates(CardinalityEstimation cardEstimate, QueryProcContext ctx, List<PhysicalPlan> plans)	Initiates the cardinality estimation processes for all the plans in the given list and, afterwards, waits for the resulting estimates and returns them.
static Integer[]	CardinalityEstimationUtils.getEstimates(CardinalityEstimation cardEstimate, QueryProcContext ctx, PhysicalPlan... plans)	Initiates the cardinality estimation processes for all the given plans and, afterwards, waits for the resulting estimates and returns them.
static Double[]	CostEstimationUtils.getEstimates(CostModel costModel, QueryProcContext ctx, List<PhysicalPlan> plans)	Initiates the cost estimation processes for all the plans in the given list and, afterwards, waits for the resulting estimates and returns them.
static Double[]	CostEstimationUtils.getEstimates(CostModel costModel, QueryProcContext ctx, PhysicalPlan... plans)	Initiates the cost estimation processes for all the given plans and, afterwards, waits for the resulting estimates and returns them.

Uses of QueryProcContext in se.liu.ida.hefquin.engine.queryproc.impl.srcsel

Methods in se.liu.ida.hefquin.engine.queryproc.impl.srcsel with parameters of type QueryProcContext

Modifier and Type	Method	Description
protected LogicalPlan	ExhaustiveSourcePlannerImpl.createPlan(org.apache.jena.sparql.algebra.Op jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlan(org.apache.jena.sparql.algebra.Op jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ExhaustiveSourcePlannerImpl.createPlanForBGP(org.apache.jena.sparql.algebra.op.OpBGP bgpOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForBind(org.apache.jena.sparql.algebra.op.OpExtend jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForDistinct(org.apache.jena.sparql.algebra.op.OpDistinct jenaOp, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForFilter(org.apache.jena.sparql.algebra.op.OpFilter jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForJoin(List<org.apache.jena.sparql.algebra.Op> ops, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForJoin(org.apache.jena.sparql.algebra.op.OpJoin jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForLeftJoin(org.apache.jena.sparql.algebra.op.OpConditional jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForLeftJoin(org.apache.jena.sparql.algebra.op.OpLeftJoin jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForMinus(org.apache.jena.sparql.algebra.op.OpMinus jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForProject(org.apache.jena.sparql.algebra.op.OpProject jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForSequence(org.apache.jena.sparql.algebra.op.OpSequence jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForServicePattern(org.apache.jena.sparql.algebra.op.OpService jenaOp, boolean mayReduce, QueryProcContext ctx)	This function assumes that the given operator comes from a SERVICE clause that did not have a PARAMS part (or an empty one), and it produces a plan with a request operator as root.
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForServiceWithParams(OpServiceWithParams jenaOp, boolean mayReduce, LogicalPlan subplan, QueryProcContext ctx)	This function assumes that the given operator comes from a SERVICE clause that had a nonempty PARAMS part, and it produces a plan with a gpAdd operator as root and the given subplan as input to this root operator.
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForUnfold(org.apache.jena.sparql.algebra.op.OpUnfold jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForUnion(org.apache.jena.sparql.algebra.op.OpUnion jenaOp, boolean mayReduce, QueryProcContext ctx)
protected LogicalPlan	ServiceClauseBasedSourcePlannerImpl.createPlanForValues(org.apache.jena.sparql.algebra.op.OpTable jenaOp, QueryProcContext ctx)
protected Pair<LogicalPlan,SourcePlanningStats>	ServiceClauseBasedSourcePlannerImpl.createSourceAssignment(org.apache.jena.sparql.algebra.Op jenaOp, QueryProcContext ctx)
protected abstract Pair<LogicalPlan,SourcePlanningStats>	SourcePlannerBase.createSourceAssignment(org.apache.jena.sparql.algebra.Op jenaOp, QueryProcContext ctx)
final Pair<LogicalPlan,SourcePlanningStats>	SourcePlannerBase.createSourceAssignment(Query query, QueryProcContext ctx)
protected LogicalPlan	ExhaustiveSourcePlannerImpl.createSubPlanForTP(org.apache.jena.graph.Triple tp, boolean mayReduce, QueryProcContext ctx)

Uses of QueryProcContext in se.liu.ida.hefquin.service

Methods in se.liu.ida.hefquin.service that return QueryProcContext

Modifier and Type	Method	Description
protected QueryProcContext	SparqlServlet.createQueryProcContext(SparqlServlet.QueryResponseBuffers queryResBuf, jakarta.servlet.http.HttpServletRequest request)