Uses of Package
org.eclipse.rdf4j.query.algebra

Packages that use org.eclipse.rdf4j.query.algebra

Package	Description
org.eclipse.rdf4j.query.algebra	Query Algebra
org.eclipse.rdf4j.query.algebra.evaluation
org.eclipse.rdf4j.query.algebra.evaluation.federation
org.eclipse.rdf4j.query.algebra.evaluation.impl
org.eclipse.rdf4j.query.algebra.evaluation.iterator
org.eclipse.rdf4j.query.algebra.evaluation.limited
org.eclipse.rdf4j.query.algebra.evaluation.limited.iterator
org.eclipse.rdf4j.query.algebra.evaluation.util
org.eclipse.rdf4j.query.algebra.helpers
org.eclipse.rdf4j.query.parser
org.eclipse.rdf4j.query.parser.serql.ast
org.eclipse.rdf4j.query.parser.sparql	The SPARQL query engine.
org.eclipse.rdf4j.query.parser.sparql.ast
org.eclipse.rdf4j.queryrender	This package contains classes for working with RDF4J query objects.
org.eclipse.rdf4j.queryrender.builder	This package is deprecated.
org.eclipse.rdf4j.queryrender.sparql
org.eclipse.rdf4j.repository.sail.helpers
org.eclipse.rdf4j.repository.sparql.federation
org.eclipse.rdf4j.sail	RDF Storage And Inference Layer (RDF Sail): a set of interfaces defining an API for RDF repositories.
org.eclipse.rdf4j.sail.base
org.eclipse.rdf4j.sail.elasticsearch
org.eclipse.rdf4j.sail.federation.algebra
org.eclipse.rdf4j.sail.federation.evaluation
org.eclipse.rdf4j.sail.federation.optimizers
org.eclipse.rdf4j.sail.helpers	Generic utility classes for RDF Sail implementations.
org.eclipse.rdf4j.sail.inferencer
org.eclipse.rdf4j.sail.lucene
org.eclipse.rdf4j.sail.solr
org.eclipse.rdf4j.sail.spin
org.eclipse.rdf4j.spin

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra

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

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation

Class and Description
Service The SERVICE keyword as defined in SERVICE definition.
TupleExpr An expression that evaluates to RDF tuples.
UpdateExpr An expression that executes an update.
ValueExpr An expressions that evaluates to Value objects.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation.federation

Class and Description
Service The SERVICE keyword as defined in SERVICE definition.
TupleExpr An expression that evaluates to RDF tuples.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation.impl

Class and Description
AbstractQueryModelNode Base implementation of QueryModelNode.
And A boolean AND operator operating on two boolean expressions.
ArbitraryLengthPath A tuple expression that matches a path of arbitrary length against an RDF graph.
BinaryTupleOperator An abstract superclass for binary tuple operators which, by definition, has two arguments.
BinaryValueOperator An abstract superclass for binary value operators which, by definition, has two arguments.
BindingSetAssignment
BNodeGenerator A BNode generator, which generates a new BNode each time it needs to supply a value.
Bound The BOUND function, as defined in SPARQL Query Language for RDF; checks if a variable is bound.
Coalesce
Compare A comparison between two values.
CompareAll
CompareAny
Datatype The DATATYPE function, as defined in SPARQL Query Language for RDF.
DescribeOperator
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.
Distinct
EmptySet A tuple expression that contains zero solutions.
Exists Checks whether the wrapped Query produces any results.
Extension An extension operator that can be used to add bindings to solutions whose values are defined by value expressions.
Filter The FILTER operator, as defined in SPARQL Query Language for RDF.
FunctionCall A call to an (external) function that operates on zero or more arguments.
GraphPatternGroupable QueryModelNodes that can represent a full graph pattern group.
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.
If The IF function, as defined in SPARQL 1.1 Query.
In Checks whether a certain value is contained in a set of results produced by a query.
Intersection The INTERSECT set operator, which returns the intersection of the result sets of two tuple expressions.
IRIFunction The IRI function, as defined in SPARQL 1.1 Query Language for RDF.
IsBNode
IsLiteral
IsNumeric IsNumeric - Boolean operator determining if the supplied expression represents a numeric value.
IsResource
IsURI
Join A natural join between two tuple expressions.
Label The LABEL function, which selects the label of literals.
Lang The LANG function, as defined in SPARQL Query Language for RDF.
LangMatches Checks whether a language tag (e.g.
LeftJoin The LeftJoin operator, as defined in SPARQL Query Language for RDF.
Like Compares the string representation of a value expression to a pattern.
ListMemberOperator ValueOperator that verifies if the first of its arguments occurs in any of the subsequent arguments.
LocalName The LOCAL NAME function, which selects the local name of URIs.
MathExpr A mathematical expression consisting an operator and two arguments.
MultiProjection A "multi-projection" that can produce multiple solutions from a single set of bindings.
Namespace The NAMESPACE function, which selects the namespace of URIs.
Not A boolean NOT operator operating on a boolean expressions.
Or A boolean OR operator operating on two boolean expressions.
Order An order operator that can be used to order bindings as specified by a set of value expressions.
Projection A generalized projection (allowing the bindings to be renamed) on a tuple expression.
ProjectionElem
ProjectionElemList
QueryModelNode Main interface for all query model nodes.
QueryModelVisitor An interface for query model visitors, implementing the Visitor pattern.
QueryRoot A semantics-less query model node that is used as the root of query model trees.
Reduced
Regex Compares the string representation of a value expression to a pattern.
SameTerm Checks RDF term equality.
Service The SERVICE keyword as defined in SERVICE definition.
SingletonSet A tuple expression that contains exactly one solution with zero bindings.
Slice The SLICE operator, as defined in SPARQL Query Language for RDF.
StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
Str The STR function, as defined in SPARQL Query Language for RDF; returns the label of literals or the string representation of URIs.
TupleExpr An expression that evaluates to RDF tuples.
TupleFunctionCall A call to a TupleFunction.
UnaryTupleOperator An abstract superclass for unary tuple operators which, by definition, has one argument.
UnaryValueOperator An abstract superclass for unary value operators which, by definition, has one argument.
Union The UNION set operator, which return the union of the result sets of two tuple expressions.
ValueConstant A ValueExpr with a constant value.
ValueExpr An expressions that evaluates to Value objects.
Var A variable that can contain a Value.
ZeroLengthPath A tuple expression that matches a path of length zero against an RDF graph.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation.iterator

Class and Description
Extension An extension operator that can be used to add bindings to solutions whose values are defined by value expressions.
Filter The FILTER operator, as defined in SPARQL Query Language for RDF.
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.
Join A natural join between two tuple expressions.
LeftJoin The LeftJoin operator, as defined in SPARQL Query Language for RDF.
MultiProjection A "multi-projection" that can produce multiple solutions from a single set of bindings.
Projection A generalized projection (allowing the bindings to be renamed) on a tuple expression.
ProjectionElemList
StatementPattern.Scope Indicates the scope of the statement pattern.
TupleExpr An expression that evaluates to RDF tuples.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation.limited

Class and Description
ArbitraryLengthPath A tuple expression that matches a path of arbitrary length against an RDF graph.
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.
Distinct
Intersection The INTERSECT set operator, which returns the intersection of the result sets of two tuple expressions.
Join A natural join between two tuple expressions.
Order An order operator that can be used to order bindings as specified by a set of value expressions.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation.limited.iterator

Class and Description
Join A natural join between two tuple expressions.
StatementPattern.Scope Indicates the scope of the statement pattern.
TupleExpr An expression that evaluates to RDF tuples.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.evaluation.util

Class and Description
Compare.CompareOp
MathExpr.MathOp
Order An order operator that can be used to order bindings as specified by a set of value expressions.
TupleExpr An expression that evaluates to RDF tuples.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.algebra.helpers

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

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.parser

Class and Description
TupleExpr An expression that evaluates to RDF tuples.
UpdateExpr An expression that executes an update.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.parser.serql.ast

Class and Description
Compare.CompareOp

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.parser.sparql

Class and Description
Add
BindingSetAssignment
Clear
Coalesce
Compare A comparison between two values.
Copy
Create
Datatype The DATATYPE function, as defined in SPARQL Query Language for RDF.
DeleteData
Exists Checks whether the wrapped Query produces any results.
FunctionCall A call to an (external) function that operates on zero or more arguments.
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.
If The IF function, as defined in SPARQL 1.1 Query.
InsertData
IRIFunction The IRI function, as defined in SPARQL 1.1 Query Language for RDF.
IsBNode
IsLiteral
IsNumeric IsNumeric - Boolean operator determining if the supplied expression represents a numeric value.
IsURI
Lang The LANG function, as defined in SPARQL Query Language for RDF.
Load
MathExpr A mathematical expression consisting an operator and two arguments.
Modify
Move
Not A boolean NOT operator operating on a boolean expressions.
Or A boolean OR operator operating on two boolean expressions.
OrderElem
QueryModelVisitor An interface for query model visitors, implementing the Visitor pattern.
SameTerm Checks RDF term equality.
Sample The SAMPLE operator as defined in http://www.w3.org/TR/sparql11-query/#aggregates
StatementPattern.Scope Indicates the scope of the statement pattern.
TupleExpr An expression that evaluates to RDF tuples.
UpdateExpr An expression that executes an update.
ValueConstant A ValueExpr with a constant value.
ValueExpr An expressions that evaluates to Value objects.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.query.parser.sparql.ast

Class and Description
Compare.CompareOp
MathExpr.MathOp

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.queryrender

Class and Description
Distinct
ExtensionElem
OrderElem
ProjectionElemList
QueryModelVisitor An interface for query model visitors, implementing the Visitor pattern.
Reduced
Slice The SLICE operator, as defined in SPARQL Query Language for RDF.
StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
TupleExpr An expression that evaluates to RDF tuples.
ValueExpr An expressions that evaluates to Value objects.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.queryrender.builder

Class and Description
And A boolean AND operator operating on two boolean expressions.
Bound The BOUND function, as defined in SPARQL Query Language for RDF; checks if a variable is bound.
Compare A comparison between two values.
Compare.CompareOp
LangMatches Checks whether a language tag (e.g.
Not A boolean NOT operator operating on a boolean expressions.
Or A boolean OR operator operating on two boolean expressions.
StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
StatementPattern.Scope Indicates the scope of the statement pattern.
TupleExpr An expression that evaluates to RDF tuples.
ValueExpr An expressions that evaluates to Value objects.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.queryrender.sparql

Class and Description
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.
Filter The FILTER operator, as defined in SPARQL Query Language for RDF.
Intersection The INTERSECT set operator, which returns the intersection of the result sets of two tuple expressions.
Join A natural join between two tuple expressions.
LeftJoin The LeftJoin operator, as defined in SPARQL Query Language for RDF.
QueryModelVisitor An interface for query model visitors, implementing the Visitor pattern.
StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
TupleExpr An expression that evaluates to RDF tuples.
Union The UNION set operator, which return the union of the result sets of two tuple expressions.
ValueExpr An expressions that evaluates to Value objects.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.repository.sail.helpers

Class and Description
Add
Clear
Copy
Create
DeleteData
InsertData
Load
Modify
Move
UpdateExpr An expression that executes an update.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.repository.sparql.federation

Class and Description
Service The SERVICE keyword as defined in SERVICE definition.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail

Class and Description
TupleExpr An expression that evaluates to RDF tuples.
UpdateExpr An expression that executes an update.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.base

Class and Description
TupleExpr An expression that evaluates to RDF tuples.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.elasticsearch

Class and Description
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.federation.algebra

Class and Description
AbstractQueryModelNode Base implementation of QueryModelNode.
GraphPatternGroupable QueryModelNodes that can represent a full graph pattern group.
QueryModelNode Main interface for all query model nodes.
QueryModelVisitor An interface for query model visitors, implementing the Visitor pattern.
TupleExpr An expression that evaluates to RDF tuples.
UnaryTupleOperator An abstract superclass for unary tuple operators which, by definition, has one argument.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.federation.evaluation

Class and Description
Join A natural join between two tuple expressions.
LeftJoin The LeftJoin operator, as defined in SPARQL Query Language for RDF.
TupleExpr An expression that evaluates to RDF tuples.
Union The UNION set operator, which return the union of the result sets of two tuple expressions.
ValueExpr An expressions that evaluates to Value objects.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.federation.optimizers

Class and Description
BinaryTupleOperator An abstract superclass for binary tuple operators which, by definition, has two arguments.
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.
Distinct
EmptySet A tuple expression that contains zero solutions.
Intersection The INTERSECT set operator, which returns the intersection of the result sets of two tuple expressions.
Join A natural join between two tuple expressions.
LeftJoin The LeftJoin operator, as defined in SPARQL Query Language for RDF.
Projection A generalized projection (allowing the bindings to be renamed) on a tuple expression.
QueryModelNode Main interface for all query model nodes.
QueryModelVisitor An interface for query model visitors, implementing the Visitor pattern.
Reduced
SingletonSet A tuple expression that contains exactly one solution with zero bindings.
Slice The SLICE operator, as defined in SPARQL Query Language for RDF.
StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
TupleExpr An expression that evaluates to RDF tuples.
UnaryTupleOperator An abstract superclass for unary tuple operators which, by definition, has one argument.
Union The UNION set operator, which return the union of the result sets of two tuple expressions.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.helpers

Class and Description
TupleExpr An expression that evaluates to RDF tuples.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.inferencer

Class and Description
TupleExpr An expression that evaluates to RDF tuples.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.lucene

Class and Description
BindingSetAssignment
Filter The FILTER operator, as defined in SPARQL Query Language for RDF.
FunctionCall A call to an (external) function that operates on zero or more arguments.
QueryModelNode Main interface for all query model nodes.
StatementPattern A tuple expression that matches a statement pattern against an RDF graph.
TupleExpr An expression that evaluates to RDF tuples.
ValueExpr An expressions that evaluates to Value objects.
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.solr

Class and Description
Var A variable that can contain a Value.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.sail.spin

Class and Description
TupleExpr An expression that evaluates to RDF tuples.

Classes in org.eclipse.rdf4j.query.algebra used by org.eclipse.rdf4j.spin

Class and Description
ValueExpr An expressions that evaluates to Value objects.