Uses of Class
org.eclipse.rdf4j.query.algebra.Var

Packages that use Var

Package	Description
org.eclipse.rdf4j.federated.optimizer
org.eclipse.rdf4j.federated.util
org.eclipse.rdf4j.query.algebra	Abstract Query Algebra model.
org.eclipse.rdf4j.query.algebra.evaluation.impl
org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps
org.eclipse.rdf4j.query.algebra.evaluation.iterator	Copyright (c) 2019 Eclipse RDF4J contributors.
org.eclipse.rdf4j.query.algebra.helpers
org.eclipse.rdf4j.query.algebra.helpers.collectors
org.eclipse.rdf4j.query.parser.sparql	The rdf4j SPARQL 1.1 parser.
org.eclipse.rdf4j.queryrender.sparql
org.eclipse.rdf4j.sail.elasticsearch	ElasticSearch index for the LuceneSail.
org.eclipse.rdf4j.sail.lucene	A Sail implementation that supports full-text indexing via the Lucene API.
org.eclipse.rdf4j.sail.lucene.impl
org.eclipse.rdf4j.sail.solr

Uses of Var in org.eclipse.rdf4j.federated.optimizer

Methods in org.eclipse.rdf4j.federated.optimizer with parameters of type Var

Modifier and Type	Method	Description
void	FilterOptimizer.VarFinder.meet(Var var)

Uses of Var in org.eclipse.rdf4j.federated.util

Methods in org.eclipse.rdf4j.federated.util that return Var

Modifier and Type	Method	Description
protected 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 Var

Modifier and Type	Method	Description
protected 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 the Value of the variable which is either taken from the variable itself (bound) or from the bindingsset (unbound).
static String	QueryStringUtil.toString(Var var)

Uses of Var in org.eclipse.rdf4j.query.algebra

Fields in org.eclipse.rdf4j.query.algebra declared as Var

Modifier and Type	Field	Description
protected Var	Bound.arg	The operator's argument.

Methods in org.eclipse.rdf4j.query.algebra with type parameters of type Var

Modifier and Type	Method	Description
<L extends Collection<Var>> L	StatementPattern.getVars(L varCollection)	Adds the variables of this statement pattern to the supplied collection.
<L extends Collection<Var>> L	TripleRef.getVars(L varCollection)	Adds the variables of this statement pattern to the supplied collection.
<L extends Collection<Var>> L	ZeroLengthPath.getVars(L varCollection)	Adds the variables of this statement pattern to the supplied collection.

Methods in org.eclipse.rdf4j.query.algebra that return Var

Modifier and Type	Method	Description
Var	Var.clone()
Var	Bound.getArg()	Gets the argument of this unary value operator.
Var	ArbitraryLengthPath.getContextVar()	Returns the context variable, if available.
Var	StatementPattern.getContextVar()	Returns the context variable, if available.
Var	ZeroLengthPath.getContextVar()	Returns the context variable, if available.
Var	TripleRef.getExprVar()	Returns the context variable, if available.
Var	ArbitraryLengthPath.getObjectVar()
Var	StatementPattern.getObjectVar()
Var	TripleRef.getObjectVar()
Var	ValueExprTripleRef.getObjectVar()
Var	ZeroLengthPath.getObjectVar()
Var	StatementPattern.getPredicateVar()
Var	TripleRef.getPredicateVar()
Var	ValueExprTripleRef.getPredicateVar()
Var	Projection.getProjectionContext()
Var	Service.getServiceRef()
Var	ArbitraryLengthPath.getSubjectVar()
Var	StatementPattern.getSubjectVar()
Var	TripleRef.getSubjectVar()
Var	ValueExprTripleRef.getSubjectVar()
Var	ZeroLengthPath.getSubjectVar()

Methods in org.eclipse.rdf4j.query.algebra that return types with arguments of type Var

Modifier and Type	Method	Description
List<Var>	TupleFunctionCall.getResultVars()
List<Var>	StatementPattern.getVarList()
List<Var>	TripleRef.getVarList()
List<Var>	ZeroLengthPath.getVarList()

Methods in org.eclipse.rdf4j.query.algebra with parameters of type Var

Modifier and Type	Method	Description
void	TupleFunctionCall.addResultVar(Var resultVar)
void	TupleFunctionCall.addResultVars(Var... resultVars)
void	QueryModelVisitor.meet(Var node)
void	Bound.setArg(Var arg)	Sets the argument of this unary value operator.
void	ArbitraryLengthPath.setContextVar(Var context)
void	StatementPattern.setContextVar(Var context)	Deprecated, for removal: This API element is subject to removal in a future version.
void	ZeroLengthPath.setContextVar(Var context)
void	TripleRef.setExprVar(Var context)
void	ArbitraryLengthPath.setObjectVar(Var object)
void	StatementPattern.setObjectVar(Var object)	Deprecated, for removal: This API element is subject to removal in a future version.
void	TripleRef.setObjectVar(Var object)
void	ZeroLengthPath.setObjectVar(Var object)
void	StatementPattern.setPredicateVar(Var predicate)	Deprecated, for removal: This API element is subject to removal in a future version.
void	TripleRef.setPredicateVar(Var predicate)
void	Projection.setProjectionContext(Var projectionContext)
void	Service.setServiceRef(Var serviceRef)
void	ArbitraryLengthPath.setSubjectVar(Var subject)
void	StatementPattern.setSubjectVar(Var subject)	Deprecated, for removal: This API element is subject to removal in a future version.
void	TripleRef.setSubjectVar(Var subject)
void	ZeroLengthPath.setSubjectVar(Var subject)

Method parameters in org.eclipse.rdf4j.query.algebra with type arguments of type Var

Modifier and Type	Method	Description
void	TupleFunctionCall.addResultVars(Iterable<Var> resultVars)
void	TupleFunctionCall.setResultVars(Iterable<Var> resultVars)

Constructors in org.eclipse.rdf4j.query.algebra with parameters of type Var

Modifier	Constructor	Description
	ArbitraryLengthPath(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.
	Bound(Var arg)
	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.
	TripleRef(Var subjectVar, Var predicateVar, Var objectVar, Var exprVar)
	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 type parameters of type Var

Modifier and Type	Method	Description
protected <M extends Map<Var, Integer>> M	QueryJoinOptimizer.JoinVisitor.getVarFreqMap(List<Var> varList, M varFreqMap)	Deprecated.

Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl that return types with arguments of type Var

Modifier and Type	Method	Description
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getConstantVars(Iterable<Var> vars)	Deprecated.
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getStatementPatternVars(TupleExpr tupleExpr)	Deprecated.
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getUnboundVars(Iterable<Var> vars)	Deprecated.

Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl with parameters of type Var

Modifier and Type	Method	Description
Value	StrictEvaluationStrategy.evaluate(Var var, BindingSet bindings)	Deprecated, for removal: This API element is subject to removal in a future version.
protected 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	StrictEvaluationStrategy.getVarValue(Var var, BindingSet bindings)
void	BindingAssigner.VarVisitor.meet(Var var)
void	ConstantOptimizer.VarNameCollector.meet(Var var)
void	OrderLimitOptimizer.OrderOptimizer.meet(Var node)
void	SameTermFilterOptimizer.VarBinder.meet(Var var)
void	SameTermFilterOptimizer.VarRenamer.meet(Var var)
protected QueryValueEvaluationStep	StrictEvaluationStrategy.prepare(Var var, QueryEvaluationContext context)

Method parameters in org.eclipse.rdf4j.query.algebra.evaluation.impl with type arguments of type Var

Modifier and Type	Method	Description
protected int	EvaluationStatistics.CardinalityCalculator.countConstantVars(Iterable<Var> vars)
static CloseableIteration<BindingSet,QueryEvaluationException>	TupleFunctionEvaluationStrategy.evaluate(TupleFunction func, List<Var> resultVars, BindingSet bindings, ValueFactory valueFactory, Value... argValues)
protected double	EvaluationStatistics.CardinalityCalculator.getCardinality(double varCardinality, Collection<Var> vars)
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getConstantVars(Iterable<Var> vars)	Deprecated.
protected int	QueryJoinOptimizer.JoinVisitor.getForeignVarFreq(List<Var> ownUnboundVars, Map<Var,Integer> varFreqMap)	Deprecated.
protected int	QueryJoinOptimizer.JoinVisitor.getForeignVarFreq(List<Var> ownUnboundVars, Map<Var,Integer> varFreqMap)	Deprecated.
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getUnboundVars(Iterable<Var> vars)	Deprecated.
protected <M extends Map<Var, Integer>> M	QueryJoinOptimizer.JoinVisitor.getVarFreqMap(List<Var> varList, M varFreqMap)	Deprecated.

Constructors in org.eclipse.rdf4j.query.algebra.evaluation.impl with parameters of type Var

Modifier	Constructor	Description
	VarRenamer(Var oldVar, Var newVar)

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 Var

Modifier and Type	Method	Description
protected static Function<Value,Resource[]>	StatementPatternQueryEvaluationStep.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 Var

Modifier	Constructor	Description
	RdfStarQueryEvaluationStep(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.iterator

Methods in org.eclipse.rdf4j.query.algebra.evaluation.iterator that return Var

Modifier and Type	Method	Description
Var	PathIteration.createAnonVar(String varName)
Var	ZeroLengthPathIteration.createAnonVar(String varName)

Methods in org.eclipse.rdf4j.query.algebra.evaluation.iterator with parameters of type Var

Modifier and Type	Method	Description
protected boolean	PathIteration.isUnbound(Var var, BindingSet bindings)

Constructors in org.eclipse.rdf4j.query.algebra.evaluation.iterator with parameters of type Var

Modifier	Constructor	Description
	PathIteration(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.helpers

Methods in org.eclipse.rdf4j.query.algebra.helpers that return Var

Modifier and Type	Method	Description
static 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

Modifier and Type	Method	Description
void	AbstractQueryModelVisitor.meet(Var node)
void	AbstractSimpleQueryModelVisitor.meet(Var node)
void	StatementPatternVisitor.meet(Var node)
void	VarNameCollector.meet(Var var)	Deprecated, for removal: This API element is subject to removal in a future version.

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

Modifier and Type	Method	Description
void	VarNameCollector.meet(Var var)

Uses of Var in org.eclipse.rdf4j.query.parser.sparql

Methods in org.eclipse.rdf4j.query.parser.sparql that return Var

Modifier and Type	Method	Description
protected Var	TupleExprBuilder.createAnonVar()	Creates an anonymous Var with a unique, randomly generated, variable name.
Var	GraphPattern.getContextVar()
protected Var	TupleExprBuilder.mapValueExprToVar(Object valueExpr)	Maps the given valueExpr to a Var.
Var	TupleExprBuilder.visit(org.eclipse.rdf4j.query.parser.sparql.ast.ASTBlankNodePropertyList node, Object data)
Var	TupleExprBuilder.visit(org.eclipse.rdf4j.query.parser.sparql.ast.ASTCollection node, Object data)
Var	TupleExprBuilder.visit(org.eclipse.rdf4j.query.parser.sparql.ast.ASTVar node, Object data)

Methods in org.eclipse.rdf4j.query.parser.sparql that return types with arguments of type Var

Modifier and Type	Method	Description
Set<Var>	TupleExprBuilder.VarCollector.getCollectedVars()

Methods in org.eclipse.rdf4j.query.parser.sparql with parameters of type Var

Modifier and Type	Method	Description
void	GraphPattern.addRequiredSP(Var subjVar, Var predVar, Var objVar)
void	TupleExprBuilder.VarCollector.meet(Var var)
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

Modifier and Type	Method	Description
void	SparqlTupleExprRenderer.meet(Var node)

Uses of Var in org.eclipse.rdf4j.sail.elasticsearch

Methods in org.eclipse.rdf4j.sail.elasticsearch with parameters of type Var

Modifier and Type	Method	Description
protected 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 Var

Modifier and Type	Method	Description
Var	DistanceQuerySpec.getContextVar()
Var	GeoRelationQuerySpec.getContextVar()

Methods in org.eclipse.rdf4j.sail.lucene with parameters of type Var

Modifier and Type	Method	Description
protected 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

Modifier	Constructor	Description
	DistanceQuerySpec(Literal from, IRI units, double dist, String distVar, IRI geoProperty, String geoVar, String subjectVar, Var contextVar)

Uses of Var in org.eclipse.rdf4j.sail.lucene.impl

Methods in org.eclipse.rdf4j.sail.lucene.impl with parameters of type Var

Modifier and Type	Method	Description
protected 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 Var

Modifier and Type	Method	Description
protected 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)