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

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

Package	Description
org.eclipse.rdf4j.federated.algebra
org.eclipse.rdf4j.federated.cache
org.eclipse.rdf4j.federated.evaluation
org.eclipse.rdf4j.federated.evaluation.concurrent
org.eclipse.rdf4j.federated.evaluation.iterator
org.eclipse.rdf4j.federated.evaluation.join
org.eclipse.rdf4j.federated.evaluation.union
org.eclipse.rdf4j.federated.optimizer
org.eclipse.rdf4j.federated.util

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

Class and Description
BoundJoinTupleExpr Marker interface indicating that instances are applicable for bound join processing (see ControlledWorkerBoundJoin
CheckStatementPattern A statement pattern with no free variables when provided with some particular BindingSet in evaluate.
ConjunctiveFilterExpr ConjunctiveFilterExpr maintains a list of conjunctive (i.e.
EmptyResult A generic interface to mark some TupleExpr as empty.
ExclusiveArbitraryLengthPath An ArbitraryLengthPath node which can be evaluated at a single node.
ExclusiveGroup Represents a group of ExclusiveTupleExpr that can only produce results at a single endpoint, the StatementSource.
ExclusiveTupleExpr Interface representing nodes that can exclusively be evaluated at a single StatementSource.
ExclusiveTupleExprRenderer A specialization of ExclusiveTupleExpr which provides definitions how the expressions can be rendered to a sub-query.
FedXService
FedXStatementPattern Base class providing all common functionality for FedX StatementPatterns
FedXTupleExpr Interface marking known FedX algebra nodes.
FilterExpr FilterExpr maintains information for a particular FILTER expression.
FilterTuple Expressions implementing this interface can apply some FilterValueExpr during evaluation.
FilterValueExpr Interface to indicate filter expressions.
NJoin A tuple expression that represents an nary-Join.
NTuple Base class for any nary-tuple expression
NUnion A tuple expression that represents an nary-Union.
PassThroughTupleExpr Marker TupleExpr that is used from FedXTupleQuery.evaluate(TupleQueryResultHandler) to allow for passing through of results to the handler.
PrecompiledQueryNode Node representing a precompiled query.
QueryRef Interface to access the QueryInfo from all FedX Algebra nodes.
SingleSourceQuery A query which has a single relevant source.
StatementSource A structure representing a relevant source for some expression.
StatementSource.StatementSourceType
StatementTupleExpr Interface for any expression that can be evaluated
VariableExpr Interface for algebra nodes that can return the free variables of the expression.

Classes in org.eclipse.rdf4j.federated.algebra used by org.eclipse.rdf4j.federated.cache

Class and Description
StatementSource A structure representing a relevant source for some expression.

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

Class and Description
CheckStatementPattern A statement pattern with no free variables when provided with some particular BindingSet in evaluate.
ConjunctiveFilterExpr ConjunctiveFilterExpr maintains a list of conjunctive (i.e.
ExclusiveGroup Represents a group of ExclusiveTupleExpr that can only produce results at a single endpoint, the StatementSource.
ExclusiveTupleExpr Interface representing nodes that can exclusively be evaluated at a single StatementSource.
FedXLeftJoin Abstraction of LeftJoin to maintain the QueryInfo.
FedXService
FilterExpr FilterExpr maintains information for a particular FILTER expression.
FilterValueExpr Interface to indicate filter expressions.
NJoin A tuple expression that represents an nary-Join.
NUnion A tuple expression that represents an nary-Union.
SingleSourceQuery A query which has a single relevant source.
StatementSource A structure representing a relevant source for some expression.
StatementTupleExpr Interface for any expression that can be evaluated

Classes in org.eclipse.rdf4j.federated.algebra used by org.eclipse.rdf4j.federated.evaluation.concurrent

Class and Description
FedXService

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

Class and Description
FilterValueExpr Interface to indicate filter expressions.

Classes in org.eclipse.rdf4j.federated.algebra used by org.eclipse.rdf4j.federated.evaluation.join

Class and Description
CheckStatementPattern A statement pattern with no free variables when provided with some particular BindingSet in evaluate.
FedXService
StatementTupleExpr Interface for any expression that can be evaluated

Classes in org.eclipse.rdf4j.federated.algebra used by org.eclipse.rdf4j.federated.evaluation.union

Class and Description
FilterValueExpr Interface to indicate filter expressions.

Classes in org.eclipse.rdf4j.federated.algebra used by org.eclipse.rdf4j.federated.optimizer

Class and Description
FedXStatementPattern Base class providing all common functionality for FedX StatementPatterns
FilterExpr FilterExpr maintains information for a particular FILTER expression.
FilterTuple Expressions implementing this interface can apply some FilterValueExpr during evaluation.
NJoin A tuple expression that represents an nary-Join.
StatementSource A structure representing a relevant source for some expression.

Classes in org.eclipse.rdf4j.federated.algebra used by org.eclipse.rdf4j.federated.util

Class and Description
ConjunctiveFilterExpr ConjunctiveFilterExpr maintains a list of conjunctive (i.e.
ExclusiveGroup Represents a group of ExclusiveTupleExpr that can only produce results at a single endpoint, the StatementSource.
ExclusiveTupleExpr Interface representing nodes that can exclusively be evaluated at a single StatementSource.
ExclusiveTupleExprRenderer A specialization of ExclusiveTupleExpr which provides definitions how the expressions can be rendered to a sub-query.
FilterExpr FilterExpr maintains information for a particular FILTER expression.
FilterValueExpr Interface to indicate filter expressions.