Uses of Class
org.eclipse.rdf4j.query.algebra.Var
Packages that use Var
Package
Description
Abstract Query Algebra model.
Implementations of
relevant to query evaluation.
invalid reference
Iteration
The rdf4j SPARQL 1.1 parser.
ElasticSearch index for the
LuceneSail
.A Sail implementation that supports full-text indexing via the Lucene API.
-
Uses of Var in org.eclipse.rdf4j.federated.algebra
Methods in org.eclipse.rdf4j.federated.algebra that return VarModifier and TypeMethodDescriptionCheckStatementPattern.getOrder()
ExclusiveGroup.getOrder()
FedXService.getOrder()
NTuple.getOrder()
PassThroughTupleExpr.getOrder()
SingleSourceQuery.getOrder()
Methods in org.eclipse.rdf4j.federated.algebra that return types with arguments of type VarModifier and TypeMethodDescriptionCheckStatementPattern.getSupportedOrders
(AvailableStatementOrder tripleSource) ExclusiveGroup.getSupportedOrders
(AvailableStatementOrder tripleSource) FedXService.getSupportedOrders
(AvailableStatementOrder tripleSource) NTuple.getSupportedOrders
(AvailableStatementOrder tripleSource) PassThroughTupleExpr.getSupportedOrders
(AvailableStatementOrder tripleSource) SingleSourceQuery.getSupportedOrders
(AvailableStatementOrder tripleSource) Methods in org.eclipse.rdf4j.federated.algebra with parameters of type VarModifier and TypeMethodDescriptionvoid
void
void
void
void
void
Constructors in org.eclipse.rdf4j.federated.algebra with parameters of type VarModifierConstructorDescriptionFedXZeroLengthPath
(StatementPattern.Scope scope, Var subjVar, Var objVar, Var conVar, QueryInfo queryInfo, List<StatementSource> statementSources) -
Uses of Var in org.eclipse.rdf4j.federated.evaluation
Methods in org.eclipse.rdf4j.federated.evaluation with parameters of type VarModifier and TypeMethodDescriptionprotected FedXZeroLengthPathIteration
FedXZeroLengthPathEvaluationStep.getZeroLengthPathIterator
(BindingSet bindings, Var subjectVar, Var objVar, Var contextVar, Value subj, Value obj, QueryEvaluationContext context) Constructors in org.eclipse.rdf4j.federated.evaluation with parameters of type VarModifierConstructorDescriptionFedXZeroLengthPathEvaluationStep
(Var subjectVar, Var objVar, Var contextVar, QueryValueEvaluationStep subPrep, QueryValueEvaluationStep objPrep, EvaluationStrategy strategy, QueryEvaluationContext context, Supplier<List<StatementSource>> statementSources, Supplier<QueryInfo> queryInfo) -
Uses of Var in org.eclipse.rdf4j.federated.evaluation.iterator
Methods in org.eclipse.rdf4j.federated.evaluation.iterator that return VarMethods in org.eclipse.rdf4j.federated.evaluation.iterator with parameters of type VarModifier and TypeMethodDescriptionprotected boolean
FedXPathIteration.isUnbound
(Var var, BindingSet bindings) Constructors in org.eclipse.rdf4j.federated.evaluation.iterator with parameters of type VarModifierConstructorDescriptionFedXPathIteration
(EvaluationStrategy strategy, StatementPattern.Scope scope, Var startVar, TupleExpr pathExpression, Var endVar, Var contextVar, long minLength, BindingSet bindings, QueryInfo queryInfo) FedXZeroLengthPathIteration
(EvaluationStrategy evaluationStrategyImpl, Var subjectVar, Var objVar, Value subj, Value obj, Var contextVar, BindingSet bindings, QueryEvaluationContext context, QueryInfo queryInfo, List<StatementSource> statementSources) -
Uses of Var in org.eclipse.rdf4j.federated.optimizer
Methods in org.eclipse.rdf4j.federated.optimizer with parameters of type Var -
Uses of Var in org.eclipse.rdf4j.federated.util
Methods in org.eclipse.rdf4j.federated.util that return VarModifier and TypeMethodDescriptionprotected static Var
QueryAlgebraUtil.appendVar
(Var var, Set<String> varNames, BindingSet bindings) Clone the specified variable and attach bindings.protected static Var
QueryAlgebraUtil.appendVarId
(Var var, String varID, Set<String> varNames, BindingSet bindings) Clone the specified variable and attach bindings, moreover change name of variable by appending "_varId" to it.Methods in org.eclipse.rdf4j.federated.util with parameters of type VarModifier and TypeMethodDescriptionprotected static void
FilterUtils.append
(Var var, StringBuilder sb) protected static Var
QueryAlgebraUtil.appendVar
(Var var, Set<String> varNames, BindingSet bindings) Clone the specified variable and attach bindings.protected static StringBuilder
QueryStringUtil.appendVar
(StringBuilder sb, Var var, Set<String> varNames, BindingSet bindings) Append the variable to the provided StringBuilder.protected static Var
QueryAlgebraUtil.appendVarId
(Var var, String varID, Set<String> varNames, BindingSet bindings) Clone the specified variable and attach bindings, moreover change name of variable by appending "_varId" to it.protected static StringBuilder
QueryStringUtil.appendVarId
(StringBuilder sb, Var var, String varID, Set<String> varNames, BindingSet bindings) Append the variable to the provided StringBuilder, however change name of variable by appending "_varId" to it.static Value
QueryAlgebraUtil.getVarValue
(Var var, BindingSet bindings) Return theValue
of the variable which is either taken from the variable itself (bound) or from the bindingsset (unbound).static String
-
Uses of Var in org.eclipse.rdf4j.query.algebra
Fields in org.eclipse.rdf4j.query.algebra declared as VarMethods in org.eclipse.rdf4j.query.algebra with type parameters of type VarModifier and TypeMethodDescription<L extends Collection<Var>>
LStatementPattern.getVars
(L varCollection) Adds the variables of this statement pattern to the supplied collection.<L extends Collection<Var>>
LTripleRef.getVars
(L varCollection) Adds the variables of this statement pattern to the supplied collection.<L extends Collection<Var>>
LZeroLengthPath.getVars
(L varCollection) Adds the variables of this statement pattern to the supplied collection.Methods in org.eclipse.rdf4j.query.algebra that return VarModifier and TypeMethodDescriptionVar.clone()
Bound.getArg()
Gets the argument of this unary value operator.ArbitraryLengthPath.getContextVar()
Returns the context variable, if available.StatementPattern.getContextVar()
Returns the context variable, if available.ZeroLengthPath.getContextVar()
Returns the context variable, if available.TripleRef.getExprVar()
Returns the context variable, if available.ArbitraryLengthPath.getObjectVar()
StatementPattern.getObjectVar()
TripleRef.getObjectVar()
ValueExprTripleRef.getObjectVar()
ZeroLengthPath.getObjectVar()
ArbitraryLengthPath.getOrder()
BinaryTupleOperator.getOrder()
BindingSetAssignment.getOrder()
EmptySet.getOrder()
SingletonSet.getOrder()
StatementPattern.getOrder()
TripleRef.getOrder()
default Var
TupleExpr.getOrder()
TupleFunctionCall.getOrder()
UnaryTupleOperator.getOrder()
ZeroLengthPath.getOrder()
StatementPattern.getPredicateVar()
TripleRef.getPredicateVar()
ValueExprTripleRef.getPredicateVar()
Projection.getProjectionContext()
Service.getServiceRef()
ArbitraryLengthPath.getSubjectVar()
StatementPattern.getSubjectVar()
TripleRef.getSubjectVar()
ValueExprTripleRef.getSubjectVar()
ZeroLengthPath.getSubjectVar()
Methods in org.eclipse.rdf4j.query.algebra that return types with arguments of type VarModifier and TypeMethodDescriptionTupleFunctionCall.getResultVars()
ArbitraryLengthPath.getSupportedOrders
(AvailableStatementOrder tripleSource) BinaryTupleOperator.getSupportedOrders
(AvailableStatementOrder tripleSource) BindingSetAssignment.getSupportedOrders
(AvailableStatementOrder tripleSource) EmptySet.getSupportedOrders
(AvailableStatementOrder tripleSource) SingletonSet.getSupportedOrders
(AvailableStatementOrder tripleSource) StatementPattern.getSupportedOrders
(AvailableStatementOrder tripleSource) TripleRef.getSupportedOrders
(AvailableStatementOrder tripleSource) TupleExpr.getSupportedOrders
(AvailableStatementOrder tripleSource) TupleFunctionCall.getSupportedOrders
(AvailableStatementOrder tripleSource) UnaryTupleOperator.getSupportedOrders
(AvailableStatementOrder tripleSource) ZeroLengthPath.getSupportedOrders
(AvailableStatementOrder tripleSource) StatementPattern.getVarList()
TripleRef.getVarList()
ZeroLengthPath.getVarList()
Methods in org.eclipse.rdf4j.query.algebra with parameters of type VarModifier and TypeMethodDescriptionvoid
TupleFunctionCall.addResultVar
(Var resultVar) void
TupleFunctionCall.addResultVars
(Var... resultVars) void
void
Sets the argument of this unary value operator.void
ArbitraryLengthPath.setContextVar
(Var context) void
ZeroLengthPath.setContextVar
(Var context) void
TripleRef.setExprVar
(Var context) void
ArbitraryLengthPath.setObjectVar
(Var object) void
TripleRef.setObjectVar
(Var object) void
ZeroLengthPath.setObjectVar
(Var object) void
void
void
void
void
void
void
default void
void
void
void
void
TripleRef.setPredicateVar
(Var predicate) void
Projection.setProjectionContext
(Var projectionContext) void
Service.setServiceRef
(Var serviceRef) void
ArbitraryLengthPath.setSubjectVar
(Var subject) void
TripleRef.setSubjectVar
(Var subject) void
ZeroLengthPath.setSubjectVar
(Var subject) Method parameters in org.eclipse.rdf4j.query.algebra with type arguments of type VarModifier and TypeMethodDescriptionvoid
TupleFunctionCall.addResultVars
(Iterable<Var> resultVars) void
TupleFunctionCall.setResultVars
(Iterable<Var> resultVars) Constructors in org.eclipse.rdf4j.query.algebra with parameters of type VarModifierConstructorDescriptionArbitraryLengthPath
(StatementPattern.Scope scope, Var subject, TupleExpr pathExpression, Var object, long minLength) Creates a arbitrary-length path that matches a subject-, predicate- and object variable against statements from the specified context scope.ArbitraryLengthPath
(StatementPattern.Scope scope, Var subjVar, TupleExpr pathExpression, Var objVar, Var conVar, long minLength) Creates a arbitrary-length path that matches a subject-, predicate-, object- and context variable against statements from the specified context scope.ArbitraryLengthPath
(Var subject, TupleExpr pathExpression, Var object, long minLength) Creates a arbitrary-length path that matches a subject-, predicate- and object variable against statements from all contexts.ArbitraryLengthPath
(Var subject, TupleExpr pathExpression, Var object, Var context, long minLength) Creates a arbitrary-length path that matches a subject-, predicate-, object- and context variable against statements from all contexts.Service
(Var serviceRef, TupleExpr serviceExpr, String serviceExpressionString, Map<String, String> prefixDeclarations, String baseURI, boolean silent) StatementPattern
(StatementPattern.Scope scope, Var subject, Var predicate, Var object) Creates a statement pattern that matches a subject-, predicate- and object variable against statements from the specified context scope.StatementPattern
(StatementPattern.Scope scope, Var subjVar, Var predVar, Var objVar, Var conVar) Creates a statement pattern that matches a subject-, predicate-, object- and context variable against statements from the specified context scope.StatementPattern
(Var subject, Var predicate, Var object) Creates a statement pattern that matches a subject-, predicate- and object variable against statements from all contexts.StatementPattern
(Var subject, Var predicate, Var object, Var context) Creates a statement pattern that matches a subject-, predicate-, object- and context variable against statements from all contexts.ValueExprTripleRef
(String extName, Var s, Var p, Var o) ZeroLengthPath
(StatementPattern.Scope scope, Var subject, Var object) Creates a zero-length path that matches a subject-, predicate- and object variable against statements from the specified context scope.ZeroLengthPath
(StatementPattern.Scope scope, Var subjVar, Var objVar, Var conVar) Creates a zero-length path that matches a subject-, predicate-, object- and context variable against statements from the specified context scope.ZeroLengthPath
(Var subject, Var object) Creates a zero-length path that matches a subject-, predicate- and object variable against statements from all contexts.ZeroLengthPath
(Var subject, Var object, Var context) Creates a zero-length path that matches a subject-, predicate-, object- and context variable against statements from all contexts. -
Uses of Var in org.eclipse.rdf4j.query.algebra.evaluation.impl
Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl with parameters of type VarModifier and TypeMethodDescriptionprotected double
EvaluationStatistics.CardinalityCalculator.getCardinality
(double varCardinality, Var var) protected double
EvaluationStatistics.CardinalityCalculator.getContextCardinality
(Var var) protected double
EvaluationStatistics.CardinalityCalculator.getObjectCardinality
(Var var) protected double
EvaluationStatistics.CardinalityCalculator.getPredicateCardinality
(Var var) protected double
EvaluationStatistics.CardinalityCalculator.getSubjectCardinality
(Var var) static Value
DefaultEvaluationStrategy.getVarValue
(Var var, BindingSet bindings) protected QueryValueEvaluationStep
DefaultEvaluationStrategy.prepare
(Var var, QueryEvaluationContext context) Method parameters in org.eclipse.rdf4j.query.algebra.evaluation.impl with type arguments of type VarModifier and TypeMethodDescriptionprotected int
EvaluationStatistics.CardinalityCalculator.countConstantVars
(Iterable<Var> vars) protected static CloseableIteration
<BindingSet> DefaultEvaluationStrategy.evaluate
(TupleFunction func, List<Var> resultVars, BindingSet bindings, ValueFactory valueFactory, Value... argValues) static CloseableIteration
<BindingSet> ExtendedEvaluationStrategy.evaluate
(TupleFunction func, List<Var> resultVars, BindingSet bindings, ValueFactory valueFactory, Value... argValues) Deprecated, for removal: This API element is subject to removal in a future version.static CloseableIteration
<BindingSet> TupleFunctionEvaluationStrategy.evaluate
(TupleFunction func, List<Var> resultVars, BindingSet bindings, ValueFactory valueFactory, Value... argValues) Deprecated, for removal: This API element is subject to removal in a future version.protected double
EvaluationStatistics.CardinalityCalculator.getCardinality
(double varCardinality, Collection<Var> vars) -
Uses of Var in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps
Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps with parameters of type VarModifier and TypeMethodDescriptionStatementPatternQueryEvaluationStep.extractContextsFromDatasets
(Var contextVar, boolean emptyGraph, Set<IRI> graphs) protected ZeroLengthPathIteration
ZeroLengthPathEvaluationStep.getZeroLengthPathIterator
(BindingSet bindings, Var subjectVar, Var objVar, Var contextVar, Value subj, Value obj, QueryEvaluationContext context) Constructors in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps with parameters of type VarModifierConstructorDescriptionRdfStarQueryEvaluationStep
(Var subjVar, Var predVar, Var objVar, Var extVar, RDFStarTripleSource tripleSource, QueryEvaluationContext context) ReificationRdfStarQueryEvaluationStep
(Var subjVar, Var predVar, Var objVar, Var extVar, TripleSource tripleSource, QueryEvaluationContext context) ServiceQueryEvaluationStep
(Service service, Var serviceRef, FederatedServiceResolver serviceResolver) ZeroLengthPathEvaluationStep
(Var subjectVar, Var objVar, Var contextVar, QueryValueEvaluationStep subPrep, QueryValueEvaluationStep objPrep, EvaluationStrategy strategy, QueryEvaluationContext context) -
Uses of Var in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.values
Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.values with parameters of type VarModifier and TypeMethodDescriptionstatic QueryValueEvaluationStep
QueryValueEvaluationStepSupplier.prepareVar
(Var var, QueryEvaluationContext context) -
Uses of Var in org.eclipse.rdf4j.query.algebra.evaluation.iterator
Methods in org.eclipse.rdf4j.query.algebra.evaluation.iterator that return VarMethods in org.eclipse.rdf4j.query.algebra.evaluation.iterator with parameters of type VarModifier and TypeMethodDescriptionprotected boolean
PathIteration.isUnbound
(Var var, BindingSet bindings) Constructors in org.eclipse.rdf4j.query.algebra.evaluation.iterator with parameters of type VarModifierConstructorDescriptionPathIteration
(EvaluationStrategy strategy, StatementPattern.Scope scope, Var startVar, TupleExpr pathExpression, Var endVar, Var contextVar, long minLength, BindingSet bindings) ZeroLengthPathIteration
(EvaluationStrategy evaluationStrategyImpl, Var subjectVar, Var objVar, Value subj, Value obj, Var contextVar, BindingSet bindings, QueryEvaluationContext context) -
Uses of Var in org.eclipse.rdf4j.query.algebra.evaluation.optimizer
Methods in org.eclipse.rdf4j.query.algebra.evaluation.optimizer with type parameters of type VarModifier and TypeMethodDescriptionQueryJoinOptimizer.JoinVisitor.fillVarFreqMap
(List<Var> varList, M varFreqMap) Methods in org.eclipse.rdf4j.query.algebra.evaluation.optimizer that return types with arguments of type VarModifier and TypeMethodDescriptionQueryJoinOptimizer.JoinVisitor.getStatementPatternVars
(TupleExpr tupleExpr) QueryJoinOptimizer.JoinVisitor.getUnboundVars
(List<Var> vars) Method parameters in org.eclipse.rdf4j.query.algebra.evaluation.optimizer with type arguments of type VarModifier and TypeMethodDescriptionQueryJoinOptimizer.JoinVisitor.fillVarFreqMap
(List<Var> varList, M varFreqMap) protected int
QueryJoinOptimizer.JoinVisitor.getForeignVarFreq
(List<Var> ownUnboundVars, Map<Var, Integer> varFreqMap) protected int
QueryJoinOptimizer.JoinVisitor.getForeignVarFreq
(List<Var> ownUnboundVars, Map<Var, Integer> varFreqMap) QueryJoinOptimizer.JoinVisitor.getUnboundVars
(List<Var> vars) -
Uses of Var in org.eclipse.rdf4j.query.algebra.helpers
Methods in org.eclipse.rdf4j.query.algebra.helpers that return VarModifier and TypeMethodDescriptionstatic Var
TupleExprs.createConstVar
(Value value) Creates an (anonymous) Var representing a constant value.Methods in org.eclipse.rdf4j.query.algebra.helpers with parameters of type Var -
Uses of Var in org.eclipse.rdf4j.query.algebra.helpers.collectors
Methods in org.eclipse.rdf4j.query.algebra.helpers.collectors with parameters of type Var -
Uses of Var in org.eclipse.rdf4j.query.parser.sparql
Methods in org.eclipse.rdf4j.query.parser.sparql that return VarModifier and TypeMethodDescriptionprotected Var
TupleExprBuilder.createAnonVar()
Creates an anonymous Var with a unique, randomly generated, variable name.GraphPattern.getContextVar()
protected Var
TupleExprBuilder.mapValueExprToVar
(Object valueExpr) Maps the given valueExpr to a Var.TupleExprBuilder.visit
(org.eclipse.rdf4j.query.parser.sparql.ast.ASTBlankNodePropertyList node, Object data) Methods in org.eclipse.rdf4j.query.parser.sparql that return types with arguments of type VarMethods in org.eclipse.rdf4j.query.parser.sparql with parameters of type VarModifier and TypeMethodDescriptionvoid
GraphPattern.addRequiredSP
(Var subjVar, Var predVar, Var objVar) void
void
GraphPattern.setContextVar
(Var contextVar) -
Uses of Var in org.eclipse.rdf4j.queryrender.sparql
Methods in org.eclipse.rdf4j.queryrender.sparql with parameters of type Var -
Uses of Var in org.eclipse.rdf4j.sail.elasticsearch
Methods in org.eclipse.rdf4j.sail.elasticsearch with parameters of type VarModifier and TypeMethodDescriptionprotected Iterable
<? extends DocumentDistance> ElasticsearchIndex.geoQuery
(IRI geoProperty, org.locationtech.spatial4j.shape.Point p, IRI units, double distance, String distanceVar, Var contextVar) protected Iterable
<? extends DocumentResult> ElasticsearchIndex.geoRelationQuery
(String relation, IRI geoProperty, String wkt, Var contextVar) -
Uses of Var in org.eclipse.rdf4j.sail.lucene
Methods in org.eclipse.rdf4j.sail.lucene that return VarModifier and TypeMethodDescriptionDistanceQuerySpec.getContextVar()
GeoRelationQuerySpec.getContextVar()
Methods in org.eclipse.rdf4j.sail.lucene with parameters of type VarModifier and TypeMethodDescriptionprotected abstract Iterable
<? extends DocumentDistance> AbstractSearchIndex.geoQuery
(IRI geoProperty, org.locationtech.spatial4j.shape.Point p, IRI units, double distance, String distanceVar, Var context) protected abstract Iterable
<? extends DocumentResult> AbstractSearchIndex.geoRelationQuery
(String relation, IRI geoProperty, String wkt, Var context) Constructors in org.eclipse.rdf4j.sail.lucene with parameters of type Var -
Uses of Var in org.eclipse.rdf4j.sail.lucene.impl
Methods in org.eclipse.rdf4j.sail.lucene.impl with parameters of type VarModifier and TypeMethodDescriptionprotected Iterable
<? extends DocumentDistance> LuceneIndex.geoQuery
(IRI geoProperty, org.locationtech.spatial4j.shape.Point p, IRI units, double distance, String distanceVar, Var contextVar) protected Iterable
<? extends DocumentResult> LuceneIndex.geoRelationQuery
(String relation, IRI geoProperty, String wkt, Var contextVar) -
Uses of Var in org.eclipse.rdf4j.sail.solr
Methods in org.eclipse.rdf4j.sail.solr with parameters of type VarModifier and TypeMethodDescriptionprotected Iterable
<? extends DocumentDistance> SolrIndex.geoQuery
(IRI geoProperty, org.locationtech.spatial4j.shape.Point p, IRI units, double distance, String distanceVar, Var contextVar) protected Iterable
<? extends DocumentResult> SolrIndex.geoRelationQuery
(String relation, IRI geoProperty, String wkt, Var contextVar)