Uses of Interface
org.eclipse.rdf4j.query.algebra.QueryModelNode

Packages that use QueryModelNode

Package	Description
org.eclipse.rdf4j.federated.algebra
org.eclipse.rdf4j.federated.optimizer
org.eclipse.rdf4j.query.algebra	Abstract Query Algebra model.
org.eclipse.rdf4j.query.algebra.evaluation.impl
org.eclipse.rdf4j.query.algebra.helpers
org.eclipse.rdf4j.sail.federation.algebra
org.eclipse.rdf4j.sail.federation.optimizers
org.eclipse.rdf4j.sail.lucene	A Sail implementation that supports full-text indexing via the Lucene API.

Uses of QueryModelNode in org.eclipse.rdf4j.federated.algebra

Subinterfaces of QueryModelNode in org.eclipse.rdf4j.federated.algebra

Modifier and Type	Interface and Description
interface	ExclusiveTupleExpr Interface representing nodes that can exclusively be evaluated at a single StatementSource.
interface	ExclusiveTupleExprRenderer A specialization of ExclusiveTupleExpr which provides definitions how the expressions can be rendered to a sub-query.
interface	FedXTupleExpr Interface marking known FedX algebra nodes.
interface	FilterValueExpr Interface to indicate filter expressions.
interface	StatementTupleExpr Interface for any expression that can be evaluated

Classes in org.eclipse.rdf4j.federated.algebra that implement QueryModelNode

Modifier and Type	Class and Description
class	BoundFiltersNode A QueryModelNode for printing the bound filter vars (e.g.
class	CheckStatementPattern A statement pattern with no free variables when provided with some particular BindingSet in evaluate.
class	ConjunctiveFilterExpr ConjunctiveFilterExpr maintains a list of conjunctive (i.e.
class	EmptyNJoin Algebra construct representing an empty join.
class	EmptyNUnion Algebra construct representing an empty union.
class	EmptyStatementPattern EmptyStatementPattern represents a statement that cannot produce any results for the registered endpoints.
class	ExclusiveArbitraryLengthPath An ArbitraryLengthPath node which can be evaluated at a single node.
class	ExclusiveGroup Represents a group of ExclusiveTupleExpr that can only produce results at a single endpoint, the StatementSource.
class	ExclusiveStatement Represents a StatementPattern that can only produce results at a single endpoint, the owner.
class	FedXLeftJoin Abstraction of LeftJoin to maintain the QueryInfo.
class	FedXService
class	FedXStatementPattern Base class providing all common functionality for FedX StatementPatterns
class	FilterExpr FilterExpr maintains information for a particular FILTER expression.
class	NJoin A tuple expression that represents an nary-Join.
class	NTuple Base class for any nary-tuple expression
class	NUnion A tuple expression that represents an nary-Union.
class	PrecompiledQueryNode Node representing a precompiled query.
class	SingleSourceQuery A query which has a single relevant source.
class	StatementSource A structure representing a relevant source for some expression.
class	StatementSourcePattern Represents statements that can produce results at a some particular endpoints, the statement sources.
class	TrueStatementPattern A TrueStatementPattern represents a stmt with no free variables which in addition is available at one of the provided sources.

Methods in org.eclipse.rdf4j.federated.algebra that return QueryModelNode

Modifier and Type	Method and Description
QueryModelNode	CheckStatementPattern.getParentNode()

Methods in org.eclipse.rdf4j.federated.algebra with parameters of type QueryModelNode

Modifier and Type	Method and Description
void	CheckStatementPattern.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	NTuple.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	CheckStatementPattern.replaceWith(QueryModelNode replacement)
void	CheckStatementPattern.setParentNode(QueryModelNode parent)

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

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

Modifier and Type	Method and Description
void	LimitOptimizer.meetOther(QueryModelNode node)
void	StatementGroupAndJoinOptimizer.meetOther(QueryModelNode node)
void	FilterOptimizer.FilterExprInsertVisitor.meetOther(QueryModelNode node)

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

Subinterfaces of QueryModelNode in org.eclipse.rdf4j.query.algebra

Modifier and Type	Interface and Description
interface	AggregateOperator An operator that returns aggregates values.
interface	TupleExpr An expression that evaluates to RDF tuples.
interface	UpdateExpr An expression that executes an update.
interface	ValueExpr An expressions that evaluates to Value objects.

Classes in org.eclipse.rdf4j.query.algebra that implement QueryModelNode

Modifier and Type	Class and Description
class	AbstractAggregateOperator Base class for shared functionality of aggregate operators (e.g.
class	AbstractQueryModelNode Base implementation of QueryModelNode.
class	Add
class	AggregateOperatorBase Deprecated. since 2.0. Use AbstractAggregateOperator instead.
class	And A boolean AND operator operating on two boolean expressions.
class	ArbitraryLengthPath A tuple expression that matches a path of arbitrary length against an RDF graph.
class	Avg The AVG operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates.
class	BinaryTupleOperator An abstract superclass for binary tuple operators which, by definition, has two arguments.
class	BinaryValueOperator An abstract superclass for binary value operators which, by definition, has two arguments.
class	BindingSetAssignment
class	BNodeGenerator A BNode generator, which generates a new BNode each time it needs to supply a value.
class	Bound The BOUND function, as defined in SPARQL Query Language for RDF; checks if a variable is bound.
class	Clear
class	Coalesce
class	Compare A comparison between two values.
class	CompareAll
class	CompareAny
class	CompareSubQueryValueOperator
class	Copy
class	Count
class	Create
class	Datatype The DATATYPE function, as defined in SPARQL Query Language for RDF.
class	DeleteData
class	DescribeOperator
class	Difference The MINUS set operator, which returns the result of the left tuple expression, except for the results that are also returned by the right tuple expression.
class	Distinct
class	EmptySet A tuple expression that contains zero solutions.
class	Exists Checks whether the wrapped Query produces any results.
class	Extension An extension operator that can be used to add bindings to solutions whose values are defined by value expressions.
class	ExtensionElem
class	Filter The FILTER operator, as defined in SPARQL Query Language for RDF.
class	FunctionCall A call to an (external) function that operates on zero or more arguments.
class	Group A tuple operator that groups tuples that have a specific set of equivalent variable bindings, and that can apply aggregate functions on the grouped results.
class	GroupConcat The GROUP_CONCAT operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates
class	GroupElem A tuple operator that groups tuples that have a specific set of equivalent variable bindings, and that can apply aggregate functions on the grouped results.
class	If The IF function, as defined in SPARQL 1.1 Query.
class	In Checks whether a certain value is contained in a set of results produced by a query.
class	InsertData
class	Intersection The INTERSECT set operator, which returns the intersection of the result sets of two tuple expressions.
class	IRIFunction The IRI function, as defined in SPARQL 1.1 Query Language for RDF.
class	IsBNode
class	IsLiteral
class	IsNumeric IsNumeric - Boolean operator determining if the supplied expression represents a numeric value.
class	IsResource
class	IsURI
class	Join A natural join between two tuple expressions.
class	Label The LABEL function, which selects the label of literals.
class	Lang The LANG function, as defined in SPARQL Query Language for RDF.
class	LangMatches Checks whether a language tag (e.g.
class	LeftJoin The LeftJoin operator, as defined in SPARQL Query Language for RDF.
class	Like Compares the string representation of a value expression to a pattern.
class	ListMemberOperator ValueOperator that verifies if the first of its arguments occurs in any of the subsequent arguments.
class	Load
class	LocalName The LOCAL NAME function, which selects the local name of URIs.
class	MathExpr A mathematical expression consisting an operator and two arguments.
class	Max
class	Min
class	Modify
class	Move
class	MultiProjection A "multi-projection" that can produce multiple solutions from a single set of bindings.
class	Namespace The NAMESPACE function, which selects the namespace of URIs.
class	NAryValueOperator An abstract superclass for N-ary value operators.
class	Not A boolean NOT operator operating on a boolean expressions.
class	Or A boolean OR operator operating on two boolean expressions.
class	Order An order operator that can be used to order bindings as specified by a set of value expressions.
class	OrderElem
class	Projection A generalized projection (allowing the bindings to be renamed) on a tuple expression.
class	ProjectionElem
class	ProjectionElemList
class	QueryModelNodeBase Deprecated. since 2.0. Use AbstractQueryModelNode instead.
class	QueryRoot A semantics-less query model node that is used as the root of query model trees.
class	Reduced
class	Regex Compares the string representation of a value expression to a pattern.
class	SameTerm Checks RDF term equality.
class	Sample The SAMPLE operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates
class	Service The SERVICE keyword as defined in SERVICE definition.
class	SingletonSet A tuple expression that contains exactly one solution with zero bindings.
class	Slice The SLICE operator, as defined in SPARQL Query Language for RDF.
class	StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
class	Str The STR function, as defined in SPARQL Query Language for RDF; returns the label of literals or the string representation of URIs.
class	SubQueryValueOperator
class	Sum The SUM operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates
class	TupleFunctionCall A call to a TupleFunction.
class	UnaryTupleOperator An abstract superclass for unary tuple operators which, by definition, has one argument.
class	UnaryValueOperator An abstract superclass for unary value operators which, by definition, has one argument.
class	Union The UNION set operator, which return the union of the result sets of two tuple expressions.
class	ValueConstant A ValueExpr with a constant value.
class	Var A variable that can contain a Value.
class	ZeroLengthPath A tuple expression that matches a path of length zero against an RDF graph.

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

Modifier and Type	Method and Description
protected <T extends QueryModelNode> boolean	AbstractQueryModelNode.replaceNodeInList(List<T> list, QueryModelNode current, QueryModelNode replacement)

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

Modifier and Type	Method and Description
QueryModelNode	QueryModelNode.clone() Returns a (deep) clone of this query model node.
QueryModelNode	AbstractQueryModelNode.getParentNode()
QueryModelNode	QueryRoot.getParentNode()
QueryModelNode	QueryModelNode.getParentNode() Gets the node's parent.

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

Modifier and Type	Method and Description
void	QueryModelVisitor.meetOther(QueryModelNode node)
void	FunctionCall.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Group.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Service.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Bound.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ExtensionElem.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Extension.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ArbitraryLengthPath.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ProjectionElemList.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	BinaryTupleOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	OrderElem.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	StatementPattern.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	MultiProjection.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	GroupElem.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Create.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Projection.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Order.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	BinaryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	NAryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ZeroLengthPath.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Clear.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Filter.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	AbstractQueryModelNode.replaceChildNode(QueryModelNode current, QueryModelNode replacement) Default implementation of replaceChildNode(QueryModelNode, QueryModelNode) that throws an IllegalArgumentException indicating that current is not a child node of this node.
void	UnaryTupleOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Move.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Add.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	UnaryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	TupleFunctionCall.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Load.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	LeftJoin.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	SubQueryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Modify.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	CompareSubQueryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	QueryModelNode.replaceChildNode(QueryModelNode current, QueryModelNode replacement) Replaces one of the child nodes with a new node.
void	If.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Copy.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
protected <T extends QueryModelNode> boolean	AbstractQueryModelNode.replaceNodeInList(List<T> list, QueryModelNode current, QueryModelNode replacement)
void	AbstractQueryModelNode.replaceWith(QueryModelNode replacement) Default implementation of replaceWith(QueryModelNode) that throws an IllegalArgumentException indicating that current is not a child node of this node.
void	QueryModelNode.replaceWith(QueryModelNode replacement) Substitutes this node with a new node in the query model tree.
void	AbstractQueryModelNode.setParentNode(QueryModelNode parent)
void	QueryRoot.setParentNode(QueryModelNode parent)
void	QueryModelNode.setParentNode(QueryModelNode parent) Sets the node's parent.

Uses of QueryModelNode in org.eclipse.rdf4j.query.algebra.evaluation.impl

Classes in org.eclipse.rdf4j.query.algebra.evaluation.impl that implement QueryModelNode

Modifier and Type	Class and Description
class	ExternalSet Deprecated. since 3.0.

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

Modifier and Type	Method and Description
protected long	StrictEvaluationStrategy.getLimit(QueryModelNode node) Returns the limit of the current variable bindings before any further projection.
protected boolean	StrictEvaluationStrategy.isReducedOrDistinct(QueryModelNode node)
protected void	TupleFunctionEvaluationStatistics.TupleFunctionCardinalityCalculator.meetNode(QueryModelNode node)
protected void	FilterOptimizer.FilterRelocator.meetNode(QueryModelNode node)
protected void	EvaluationStatistics.CardinalityCalculator.meetNode(QueryModelNode node)

Uses of QueryModelNode in org.eclipse.rdf4j.query.algebra.helpers

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

Modifier and Type	Method and Description
protected void	BGPCollector.meetNode(QueryModelNode node)
protected void	QueryModelNodeReplacer.meetNode(QueryModelNode node) Deprecated.
protected void	QueryModelTreePrinter.meetNode(QueryModelNode node)
protected void	AbstractQueryModelVisitor.meetNode(QueryModelNode node) Method called by all of the other meet methods that are not overridden in subclasses.
void	AbstractQueryModelVisitor.meetOther(QueryModelNode node)
static String	QueryModelTreePrinter.printTree(QueryModelNode node)
static Set<String>	VarNameCollector.process(QueryModelNode node)
static List<StatementPattern>	StatementPatternCollector.process(QueryModelNode node)
void	QueryModelNodeReplacer.removeChildNode(QueryModelNode parent, QueryModelNode former) Deprecated.
void	QueryModelNodeReplacer.removeNode(QueryModelNode former) Deprecated.
void	QueryModelNodeReplacer.replaceChildNode(QueryModelNode parent, QueryModelNode former, QueryModelNode replacement) Deprecated.
void	QueryModelNodeReplacer.replaceNode(QueryModelNode former, QueryModelNode replacement) Deprecated.

Uses of QueryModelNode in org.eclipse.rdf4j.sail.federation.algebra

Classes in org.eclipse.rdf4j.sail.federation.algebra with type parameters of type QueryModelNode

Modifier and Type	Class and Description
class	AbstractNaryOperator<Expr extends QueryModelNode> An abstract superclass for operators which have (zero or more) arguments.

Classes in org.eclipse.rdf4j.sail.federation.algebra that implement QueryModelNode

Modifier and Type	Class and Description
class	AbstractNaryOperator<Expr extends QueryModelNode> An abstract superclass for operators which have (zero or more) arguments.
class	AbstractNaryTupleOperator An abstract superclass for n-ary tuple operators which have one or more arguments.
class	NaryJoin A natural join between two tuple expressions.
class	OwnedTupleExpr Indicates that the argument should be evaluated in a particular member.

Methods in org.eclipse.rdf4j.sail.federation.algebra with parameters of type QueryModelNode

Modifier and Type	Method and Description
void	AbstractNaryOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)

Constructors in org.eclipse.rdf4j.sail.federation.algebra with parameters of type QueryModelNode

Constructor and Description
AbstractNaryOperator(Expr... args) Creates a new n-ary operator.

Uses of QueryModelNode in org.eclipse.rdf4j.sail.federation.optimizers

Methods in org.eclipse.rdf4j.sail.federation.optimizers with parameters of type QueryModelNode

Modifier and Type	Method and Description
protected void	PrepareOwnedTupleExpr.meetNode(QueryModelNode node)
void	FederationJoinOptimizer.meetOther(QueryModelNode node) Deprecated.
void	PrepareOwnedTupleExpr.meetOther(QueryModelNode node)
void	OwnedTupleExprPruner.meetOther(QueryModelNode node)
void	QueryModelPruner.TreeSanitizer.meetOther(QueryModelNode node)
void	EvaluationStatistics.CardinalityCalculator.meetOther(QueryModelNode node)
void	QueryMultiJoinOptimizer.JoinVisitor.meetOther(QueryModelNode node)

Uses of QueryModelNode in org.eclipse.rdf4j.sail.lucene

Methods in org.eclipse.rdf4j.sail.lucene that return QueryModelNode

Modifier and Type	Method and Description
QueryModelNode	DistanceQuerySpec.getParentQueryModelNode()
QueryModelNode	GeoRelationQuerySpec.getParentQueryModelNode()
QueryModelNode	SearchQueryEvaluator.getParentQueryModelNode()
QueryModelNode	QuerySpec.getParentQueryModelNode()
QueryModelNode	DistanceQuerySpec.removeQueryPatterns()
QueryModelNode	GeoRelationQuerySpec.removeQueryPatterns()
QueryModelNode	SearchQueryEvaluator.removeQueryPatterns() Removes the query patterns and returns a placeholder where the query results could be placed.
QueryModelNode	QuerySpec.removeQueryPatterns()

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

Modifier and Type	Method and Description
void	GeoRelationQuerySpec.setFunctionParent(QueryModelNode functionParent)