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.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.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	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	FilterTuple	Expressions implementing this interface can apply some FilterValueExpr during evaluation.
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	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	FederatedDescribeOperator	Specialized DescribeOperator Node for maintaining QueryInfo.
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	PassThroughTupleExpr	Marker TupleExpr that is used from FedXTupleQuery.evaluate(TupleQueryResultHandler) to allow for passing through of results to the handler.
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	Description
QueryModelNode	CheckStatementPattern.getParentNode()

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

Modifier and Type	Method	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	Description
void	FilterOptimizer.FilterExprInsertVisitor.meetOther(QueryModelNode node)
void	LimitOptimizer.meetOther(QueryModelNode node)
void	StatementGroupAndJoinOptimizer.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	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	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.
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	Deprecated, for removal: This API element is subject to removal in a future version.
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.
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	TripleRef	Triple lookup reference.
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	ValueExprTripleRef
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	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	Description
QueryModelNode	QueryModelNode.clone()	Returns a (deep) clone of this query model node.
QueryModelNode	AbstractQueryModelNode.getParentNode()
QueryModelNode	QueryModelNode.getParentNode()	Gets the node's parent.
QueryModelNode	QueryRoot.getParentNode()
QueryModelNode	Var.getParentNode()

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

Modifier and Type	Method	Description
void	QueryModelVisitor.meetOther(QueryModelNode node)
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	Add.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ArbitraryLengthPath.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	BinaryTupleOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	BinaryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Bound.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Clear.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	CompareSubQueryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Copy.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Create.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Extension.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ExtensionElem.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Filter.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	FunctionCall.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Group.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	GroupElem.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	If.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	LeftJoin.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Load.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Modify.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Move.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	MultiProjection.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	NAryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Order.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	OrderElem.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Projection.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ProjectionElemList.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	QueryModelNode.replaceChildNode(QueryModelNode current, QueryModelNode replacement)	Replaces one of the child nodes with a new node.
void	Regex.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Service.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	StatementPattern.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	SubQueryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	TripleRef.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	TupleFunctionCall.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	UnaryTupleOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	UnaryValueOperator.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	Var.replaceChildNode(QueryModelNode current, QueryModelNode replacement)
void	ZeroLengthPath.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	Var.replaceWith(QueryModelNode replacement)
void	AbstractQueryModelNode.setParentNode(QueryModelNode parent)
void	QueryModelNode.setParentNode(QueryModelNode parent)	Sets the node's parent.
void	QueryRoot.setParentNode(QueryModelNode parent)
void	Var.setParentNode(QueryModelNode parent)

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

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

Modifier and Type	Method	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	EvaluationStatistics.CardinalityCalculator.meetNode(QueryModelNode node)
protected void	FilterOptimizer.FilterRelocator.meetNode(QueryModelNode node)
protected void	TupleFunctionEvaluationStatistics.TupleFunctionCardinalityCalculator.meetNode(QueryModelNode node)

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

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

Modifier and Type	Method	Description
static boolean	FilterIterator.isPartOfSubQuery(QueryModelNode node)	Deprecated.

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	Description
protected void	AbstractQueryModelVisitor.meetNode(QueryModelNode node)	Method called by all of the other meet methods that are not overridden in subclasses.
protected void	BGPCollector.meetNode(QueryModelNode node)	Deprecated, for removal: This API element is subject to removal in a future version.
protected void	QueryModelNodeReplacer.meetNode(QueryModelNode node)	Deprecated.
protected void	QueryModelTreePrinter.meetNode(QueryModelNode node)
protected void	QueryModelTreeToGenericPlanNode.meetNode(QueryModelNode node)
void	AbstractQueryModelVisitor.meetOther(QueryModelNode node)
void	AbstractSimpleQueryModelVisitor.meetOther(QueryModelNode node)
void	StatementPatternVisitor.meetOther(QueryModelNode node)
void	AbstractSimpleQueryModelVisitor.meetUnsupported(QueryModelNode node)
static String	QueryModelTreePrinter.printTree(QueryModelNode node)
static List<StatementPattern>	StatementPatternCollector.process(QueryModelNode node)	Deprecated, for removal: This API element is subject to removal in a future version.
static Set<String>	VarNameCollector.process(QueryModelNode node)	Deprecated, for removal: This API element is subject to removal in a future version.
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.

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

Modifier	Constructor	Description
	QueryModelTreeToGenericPlanNode(QueryModelNode topTupleExpr)

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

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

Modifier and Type	Method	Description
static List<StatementPattern>	StatementPatternCollector.process(QueryModelNode node)
static Set<String>	VarNameCollector.process(QueryModelNode node)

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

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

Modifier and Type	Method	Description
void	TripleRefCollector.meetOther(QueryModelNode node)
static Map<String,Object>	TripleRefCollector.process(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	Description
QueryModelNode	DistanceQuerySpec.getParentQueryModelNode()
QueryModelNode	GeoRelationQuerySpec.getParentQueryModelNode()
QueryModelNode	QuerySpec.getParentQueryModelNode()
QueryModelNode	SearchQueryEvaluator.getParentQueryModelNode()
QueryModelNode	DistanceQuerySpec.removeQueryPatterns()
QueryModelNode	GeoRelationQuerySpec.removeQueryPatterns()
QueryModelNode	QuerySpec.removeQueryPatterns()
QueryModelNode	SearchQueryEvaluator.removeQueryPatterns()	Removes the query patterns and returns a placeholder where the query results could be placed.

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

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