Uses of Class
org.openrdf.query.algebra.Var

Packages that use Var

Package	Description
org.openrdf.query.algebra	Query Algebra
org.openrdf.query.algebra.evaluation.impl
org.openrdf.query.algebra.evaluation.iterator
org.openrdf.query.algebra.evaluation.limited
org.openrdf.query.algebra.evaluation.limited.iterator
org.openrdf.query.algebra.helpers
org.openrdf.query.parser.sparql	The SPARQL query engine.
org.openrdf.queryrender.builder
org.openrdf.sail.federation.optimizers
org.openrdf.sail.memory	An implementation of the RDF SAIL API that uses main memory for storage.
org.openrdf.sail.rdbms.algebra
org.openrdf.sail.rdbms.algebra.base
org.openrdf.sail.rdbms.algebra.factories
org.openrdf.sail.rdbms.optimizers

Uses of Var in org.openrdf.query.algebra

Fields in org.openrdf.query.algebra declared as Var

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

Methods in org.openrdf.query.algebra with type parameters of type Var

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

Methods in org.openrdf.query.algebra that return Var

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

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

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

Methods in org.openrdf.query.algebra with parameters of type Var

Modifier and Type	Method and Description
void	QueryModelVisitor.meet(Var node)
void	Bound.setArg(Var arg) Sets the argument of this unary value operator.
void	ZeroLengthPath.setContextVar(Var context)
void	StatementPattern.setContextVar(Var context)
void	ArbitraryLengthPath.setContextVar(Var context)
void	ZeroLengthPath.setObjectVar(Var object)
void	StatementPattern.setObjectVar(Var object)
void	ArbitraryLengthPath.setObjectVar(Var object)
void	StatementPattern.setPredicateVar(Var predicate)
void	Projection.setProjectionContext(Var projectionContext)
void	Service.setServiceRef(Var serviceRef)
void	ZeroLengthPath.setSubjectVar(Var subject)
void	StatementPattern.setSubjectVar(Var subject)
void	ArbitraryLengthPath.setSubjectVar(Var subject)

Constructors in org.openrdf.query.algebra with parameters of type Var

Constructor and 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.
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.openrdf.query.algebra.evaluation.impl

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

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

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

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

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

Modifier and Type	Method and Description
Value	EvaluationStrategyImpl.evaluate(Var var, BindingSet bindings)
protected Value	EvaluationStrategyImpl.getVarValue(Var var, BindingSet bindings)
protected ZeroLengthPathIteration	EvaluationStrategyImpl.getZeroLengthPathIterator(BindingSet bindings, Var subjectVar, Var objVar, Var contextVar, Value subj, Value obj)
void	SameTermFilterOptimizer.VarRenamer.meet(Var var)
void	SameTermFilterOptimizer.VarBinder.meet(Var var)
void	OrderLimitOptimizer.OrderOptimizer.meet(Var node)
void	BindingAssigner.VarVisitor.meet(Var var)

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

Modifier and Type	Method and Description
protected int	EvaluationStatistics.CardinalityCalculator.countConstantVars(Iterable<Var> vars)
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getConstantVars(Iterable<Var> vars)
protected int	QueryJoinOptimizer.JoinVisitor.getForeignVarFreq(List<Var> ownUnboundVars, Map<Var,Integer> varFreqMap)
protected int	QueryJoinOptimizer.JoinVisitor.getForeignVarFreq(List<Var> ownUnboundVars, Map<Var,Integer> varFreqMap)
protected double	QueryJoinOptimizer.JoinVisitor.getTupleExprCardinality(TupleExpr tupleExpr, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars)
protected double	QueryJoinOptimizer.JoinVisitor.getTupleExprCardinality(TupleExpr tupleExpr, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars)
protected List<Var>	QueryJoinOptimizer.JoinVisitor.getUnboundVars(Iterable<Var> vars)
protected <M extends Map<Var,Integer>> M	QueryJoinOptimizer.JoinVisitor.getVarFreqMap(List<Var> varList, M varFreqMap)
protected TupleExpr	QueryJoinOptimizer.JoinVisitor.selectNextTupleExpr(List<TupleExpr> expressions, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars) Selects from a list of tuple expressions the next tuple expression that should be evaluated.
protected TupleExpr	QueryJoinOptimizer.JoinVisitor.selectNextTupleExpr(List<TupleExpr> expressions, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars) Selects from a list of tuple expressions the next tuple expression that should be evaluated.

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

Constructor and Description
VarRenamer(Var oldVar, Var newVar)

Uses of Var in org.openrdf.query.algebra.evaluation.iterator

Methods in org.openrdf.query.algebra.evaluation.iterator that return Var

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

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

Constructor and Description
PathIteration(EvaluationStrategyImpl evaluationStrategyImpl, StatementPattern.Scope scope, Var startVar, TupleExpr pathExpression, Var endVar, Var contextVar, long minLength, BindingSet bindings)
ZeroLengthPathIteration(EvaluationStrategyImpl evaluationStrategyImpl, Var subjectVar, Var objVar, Value subj, Value obj, Var contextVar, BindingSet bindings)

Uses of Var in org.openrdf.query.algebra.evaluation.limited

Methods in org.openrdf.query.algebra.evaluation.limited with parameters of type Var

Modifier and Type	Method and Description
protected ZeroLengthPathIteration	LimitedSizeEvaluationStrategy.getZeroLengthPathIterator(BindingSet bindings, Var subjectVar, Var objVar, Var contextVar, Value subj, Value obj)

Uses of Var in org.openrdf.query.algebra.evaluation.limited.iterator

Constructors in org.openrdf.query.algebra.evaluation.limited.iterator with parameters of type Var

Constructor and Description
LimitedSizePathIterator(EvaluationStrategyImpl evaluationStrategyImpl, StatementPattern.Scope scope, Var startVar, TupleExpr pathExpression, Var endVar, Var contextVar, long minLength, BindingSet bindings, AtomicLong used, long maxSize)
LimitedSizeZeroLengthPathIteration(EvaluationStrategyImpl evaluationStrategyImpl, Var subjectVar, Var objVar, Value subj, Value obj, Var contextVar, BindingSet bindings, AtomicLong used, long maxSize)

Uses of Var in org.openrdf.query.algebra.helpers

Methods in org.openrdf.query.algebra.helpers with parameters of type Var

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

Uses of Var in org.openrdf.query.parser.sparql

Methods in org.openrdf.query.parser.sparql that return Var

Modifier and Type	Method and Description
Var	NegatedPropertySet.getContextVar()
Var	GraphPattern.getContextVar()
Var	NegatedPropertySet.getSubjectVar()
protected Var	TupleExprBuilder.mapValueExprToVar(ValueExpr valueExpr) Maps the given valueExpr to a Var.
Var	TupleExprBuilder.visit(ASTBlankNodePropertyList node, Object data)
Var	TupleExprBuilder.visit(ASTCollection node, Object data)
Var	TupleExprBuilder.visit(ASTVar node, Object data)

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

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

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

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

Uses of Var in org.openrdf.queryrender.builder

Methods in org.openrdf.queryrender.builder that return Var

Modifier and Type	Method and Description
static Var	GroupBuilder.valueToVar(Value theValue)

Uses of Var in org.openrdf.sail.federation.optimizers

Methods in org.openrdf.sail.federation.optimizers with type parameters of type Var

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

Methods in org.openrdf.sail.federation.optimizers that return types with arguments of type Var

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

Method parameters in org.openrdf.sail.federation.optimizers with type arguments of type Var

Modifier and Type	Method and Description
protected int	EvaluationStatistics.CardinalityCalculator.countConstantVars(Iterable<Var> vars)
protected List<Var>	QueryMultiJoinOptimizer.JoinVisitor.getConstantVars(Iterable<Var> vars)
protected int	QueryMultiJoinOptimizer.JoinVisitor.getForeignVarFreq(List<Var> ownUnboundVars, Map<Var,Integer> varFreqMap)
protected int	QueryMultiJoinOptimizer.JoinVisitor.getForeignVarFreq(List<Var> ownUnboundVars, Map<Var,Integer> varFreqMap)
protected double	QueryMultiJoinOptimizer.JoinVisitor.getTupleExprCardinality(TupleExpr tupleExpr, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars)
protected double	QueryMultiJoinOptimizer.JoinVisitor.getTupleExprCardinality(TupleExpr tupleExpr, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars)
protected List<Var>	QueryMultiJoinOptimizer.JoinVisitor.getUnboundVars(Iterable<Var> vars)
protected <M extends Map<Var,Integer>> M	QueryMultiJoinOptimizer.JoinVisitor.getVarFreqMap(List<Var> varList, M varFreqMap)
protected TupleExpr	QueryMultiJoinOptimizer.JoinVisitor.selectNextTupleExpr(List<TupleExpr> expressions, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars) Selects from a list of tuple expressions the next tuple expression that should be evaluated.
protected TupleExpr	QueryMultiJoinOptimizer.JoinVisitor.selectNextTupleExpr(List<TupleExpr> expressions, Map<TupleExpr,Double> cardinalityMap, Map<TupleExpr,List<Var>> varsMap, Map<Var,Integer> varFreqMap, Set<String> boundVars) Selects from a list of tuple expressions the next tuple expression that should be evaluated.

Uses of Var in org.openrdf.sail.memory

Methods in org.openrdf.sail.memory with parameters of type Var

Modifier and Type	Method and Description
protected Value	MemoryStoreConnection.MemEvaluationStatistics.MemCardinalityCalculator.getConstantValue(Var var)

Uses of Var in org.openrdf.sail.rdbms.algebra

Methods in org.openrdf.sail.rdbms.algebra with parameters of type Var

Modifier and Type	Method and Description
static ColumnVar	ColumnVar.createCtx(String alias, Var v, Resource resource)
static ColumnVar	ColumnVar.createObj(String alias, Var v, Value value)
static ColumnVar	ColumnVar.createPred(String alias, Var v, URI uri, boolean implied)
static ColumnVar	ColumnVar.createSubj(String alias, Var v, Resource resource)

Constructors in org.openrdf.sail.rdbms.algebra with parameters of type Var

Constructor and Description
BNodeColumn(Var var)
DatatypeColumn(Var var)
DateTimeColumn(Var var)
HashColumn(Var var)
LabelColumn(Var var)
LanguageColumn(Var var)
LongLabelColumn(Var var)
LongURIColumn(Var var)
NumericColumn(Var var)
RefIdColumn(Var var)
URIColumn(Var var)

Uses of Var in org.openrdf.sail.rdbms.algebra.base

Constructors in org.openrdf.sail.rdbms.algebra.base with parameters of type Var

Constructor and Description
ValueColumnBase(Var var)

Uses of Var in org.openrdf.sail.rdbms.algebra.factories

Methods in org.openrdf.sail.rdbms.algebra.factories with parameters of type Var

Modifier and Type	Method and Description
void	ZonedExprFactory.meet(Var node)
void	URIExprFactory.meet(Var var)
void	TimeExprFactory.meet(Var node)
void	NumericExprFactory.meet(Var var)
void	LanguageExprFactory.meet(Var var)
void	LabelExprFactory.meet(Var var)
void	HashExprFactory.meet(Var var)
void	DatatypeExprFactory.meet(Var var)
void	BooleanExprFactory.meet(Var var)
void	BNodeExprFactory.meet(Var var)

Uses of Var in org.openrdf.sail.rdbms.optimizers

Methods in org.openrdf.sail.rdbms.optimizers with parameters of type Var

Modifier and Type	Method and Description
void	ValueIdLookupOptimizer.VarVisitor.meet(Var var)
void	SameTermFilterRdbmsOptimizer.VarRenamer.meet(Var var)
void	SameTermFilterRdbmsOptimizer.VarBinder.meet(Var var)