Uses of Package
org.openrdf.query.algebra

Packages that use org.openrdf.query.algebra

org.openrdf.query.algebra	Query Algebra
org.openrdf.query.algebra.evaluation
org.openrdf.query.algebra.evaluation.impl
org.openrdf.query.algebra.evaluation.iterator
org.openrdf.query.algebra.evaluation.util
org.openrdf.query.algebra.helpers
org.openrdf.query.parser
org.openrdf.query.parser.serql.ast
org.openrdf.query.parser.sparql.ast
org.openrdf.sail	RDF Storage And Inference Layer (RDF Sail): a set of interfaces defining an API for RDF repositories.
org.openrdf.sail.helpers	Generic utility classes for RDF Sail implementations.
org.openrdf.sail.inferencer
org.openrdf.sail.memory	An implementation of the RDF SAIL API that uses main memory for storage.
org.openrdf.sail.nativerdf	Native RDF storage backend.

Classes in org.openrdf.query.algebra used by org.openrdf.query.algebra

AggregateOperator
An operator that returns aggregates values.

And
A boolean AND operator operating on two boolean expressions.

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.

BNodeGenerator
A BNode generator, which generates a new BNode for each new call to #getValue.

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

CompareAll

CompareAny

CompareSubQueryValueOperator

Count

Datatype
The DATATYPE function, as defined in SPARQL Query Language for RDF.

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.

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.

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.

IsBNode

IsLiteral

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.

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

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.

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
Base implementation of QueryModelNode.

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.

Regex
Compares the string representation of a value expression to a pattern.

SameTerm
Checks RDF term equality.

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

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.

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.openrdf.query.algebra used by org.openrdf.query.algebra.evaluation

TupleExpr
An expression that evaluates to RDF tuples.

ValueExpr
An expressions that evaluates to Value objects.

Classes in org.openrdf.query.algebra used by org.openrdf.query.algebra.evaluation.impl

And
A boolean AND operator operating on two boolean expressions.

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.

BNodeGenerator
A BNode generator, which generates a new BNode for each new call to #getValue.

Bound
The BOUND function, as defined in SPARQL Query Language for RDF; checks if a variable is bound.

Compare
A comparison between two values.

CompareAll

CompareAny

Datatype
The DATATYPE function, as defined in SPARQL Query Language for RDF.

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.

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.

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.

IsBNode

IsLiteral

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.

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.

QueryModelNode
Main interface for all query model nodes.

QueryModelVisitor
An interface for query model visitors, implementing the Visitor pattern.

Regex
Compares the string representation of a value expression to a pattern.

SameTerm
Checks RDF term equality.

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.

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.

Classes in org.openrdf.query.algebra used by org.openrdf.query.algebra.evaluation.iterator

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

Classes in org.openrdf.query.algebra used by org.openrdf.query.algebra.evaluation.util

Compare.CompareOp

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.openrdf.query.algebra used by org.openrdf.query.algebra.helpers

And
A boolean AND operator operating on two boolean expressions.

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.

BNodeGenerator
A BNode generator, which generates a new BNode for each new call to #getValue.

Bound
The BOUND function, as defined in SPARQL Query Language for RDF; checks if a variable is bound.

Compare
A comparison between two values.

CompareAll

CompareAny

CompareSubQueryValueOperator

Count

Datatype
The DATATYPE function, as defined in SPARQL Query Language for RDF.

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.

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.

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.

IsBNode

IsLiteral

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.

LocalName
The LOCAL NAME function, which selects the local name of URIs.

MathExpr
A mathematical expression consisting an operator and two arguments.

Max

Min

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.

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.

Regex
Compares the string representation of a value expression to a pattern.

SameTerm
Checks RDF term equality.

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

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.

Var
A variable that can contain a Value.

Classes in org.openrdf.query.algebra used by org.openrdf.query.parser

TupleExpr
An expression that evaluates to RDF tuples.

Classes in org.openrdf.query.algebra used by org.openrdf.query.parser.serql.ast

Compare.CompareOp

Classes in org.openrdf.query.algebra used by org.openrdf.query.parser.sparql.ast

Compare.CompareOp

MathExpr.MathOp

Classes in org.openrdf.query.algebra used by org.openrdf.sail

TupleExpr
An expression that evaluates to RDF tuples.

Classes in org.openrdf.query.algebra used by org.openrdf.sail.helpers

TupleExpr
An expression that evaluates to RDF tuples.

Classes in org.openrdf.query.algebra used by org.openrdf.sail.inferencer

TupleExpr
An expression that evaluates to RDF tuples.

Classes in org.openrdf.query.algebra used by org.openrdf.sail.memory

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.

Var
A variable that can contain a Value.

Classes in org.openrdf.query.algebra used by org.openrdf.sail.nativerdf

TupleExpr
An expression that evaluates to RDF tuples.