Uses of Interface
se.liu.ida.hefquin.engine.queryplan.base.QueryPlanOperator

Packages that use QueryPlanOperator

Package	Description
se.liu.ida.hefquin.engine.queryplan.base
se.liu.ida.hefquin.engine.queryplan.logical
se.liu.ida.hefquin.engine.queryplan.logical.impl
se.liu.ida.hefquin.engine.queryplan.physical
se.liu.ida.hefquin.engine.queryplan.physical.impl

Uses of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.base

Methods in se.liu.ida.hefquin.engine.queryplan.base that return QueryPlanOperator

Modifier and Type	Method	Description
QueryPlanOperator	QueryPlan.getRootOperator()	Returns the root operator of this plan.

Uses of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.logical

Subinterfaces of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.logical

Modifier and Type	Interface	Description
interface	BinaryLogicalOp	An interface for any type of LogicalOperator that has an arity of two; i.e., it is defined of as a function over two multisets of solution mappings.
interface	LogicalOperator	The top-level interface for all types of logical operators of HeFQUIN.
interface	NaryLogicalOp	An interface for any type of LogicalOperator that has an arbitrary arity ; i.e., it is defined of as a function over an arbitrary number of multisets of solution mappings.
interface	NullaryLogicalOp	An interface for any type of LogicalOperator that has an arity of zero.
interface	UnaryLogicalOp	An interface for any type of LogicalOperator that has an arity of one; i.e., it is defined of as a function over one multiset of solution mappings.

Uses of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.logical.impl

Classes in se.liu.ida.hefquin.engine.queryplan.logical.impl that implement QueryPlanOperator

Modifier and Type	Class	Description
class	LogicalOpBind
class	LogicalOpFilter
class	LogicalOpFixedSolMap	A logical operator that returns a given solution mapping.
class	LogicalOpGlobalToLocal
class	LogicalOpGPAdd
class	LogicalOpGPOptAdd
class	LogicalOpJoin
class	LogicalOpLocalToGlobal
class	LogicalOpMultiwayJoin
class	LogicalOpMultiwayLeftJoin	A multiway left join corresponds to a sequence of SPARQL OPTIONAL clauses.
class	LogicalOpMultiwayUnion
class	LogicalOpRequest<ReqType extends DataRetrievalRequest,MemberType extends FederationMember>
class	LogicalOpRightJoin
class	LogicalOpUnion

Uses of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.physical

Subinterfaces of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.physical

Modifier and Type	Interface	Description
interface	BinaryPhysicalOp	An interface for any type of PhysicalOperator whose algorithm consumes two sequences of solution mappings as input.
interface	BinaryPhysicalOpForLogicalOp	An interface for any type of PhysicalOperator that directly implements a particular logical operator that has an arity of two.
interface	NaryPhysicalOp	An interface for any type of PhysicalOperator whose algorithm consumes an arbitrary number of sequences of solution mappings as input.
interface	NaryPhysicalOpForLogicalOp	An interface for any type of PhysicalOperator that directly implements a particular logical operator that has an arbitrary arity.
interface	NullaryPhysicalOp	An interface for any type of PhysicalOperator whose algorithm does not consume any input (but produces a sequence of solution mappings as output).
interface	NullaryPhysicalOpForLogicalOp	An interface for any type of PhysicalOperator that directly implements a particular logical operator that has an arity of zero.
interface	PhysicalOperator	This is the top-level interface for all types of physical operators of HeFQUIN, where a physical operator is an element in a (physical) query execution plan and is associated with a concrete algorithm that produces a result (in HeFQUIN, this would be in the form of a sequence of solution mappings) by consuming such results produced by the sub-plans under the current operator.
interface	PhysicalOperatorForLogicalOperator	An interface for any type of PhysicalOperator that directly implements a particular logical operator.
interface	UnaryPhysicalOp	An interface for any type of PhysicalOperator whose algorithm consumes a single sequence of solution mappings as input.
interface	UnaryPhysicalOpForLogicalOp	An interface for any type of PhysicalOperator that directly implements a particular logical operator that has an arity of one.

Uses of QueryPlanOperator in se.liu.ida.hefquin.engine.queryplan.physical.impl

Classes in se.liu.ida.hefquin.engine.queryplan.physical.impl that implement QueryPlanOperator

Modifier and Type	Class	Description
class	BaseForPhysicalOpBinaryJoin	Base class for physical operators that implement some form of a binary join algorithm; i.e., these algorithms consume two sequences of input solution mappings (produced by the two sub-plans under this operator) and join these the solution mappings from these two sequences locally (i.e., within in the engine rather than by interacting with any federation member).
class	BaseForPhysicalOpMultiwayJoin	Base class for physical operators that implement some form of a multi-way join algorithm.
class	BaseForPhysicalOpMultiwayLeftJoin	Base class for physical operators that implement some form of a multi-way left join algorithm.
class	BaseForPhysicalOpSingleInputJoin	Base class for physical operators that implement some form of a join algorithm that consumes only one input and produces the other input as part of the algorithm itself.
class	PhysicalOpBinaryUnion	A physical operator that implements a binary union.
class	PhysicalOpBind
class	PhysicalOpBindJoinBRTPF	A physical operator that implements (a batching version of) the bind join algorithm for cases in which the federation member accessed by the algorithm supports the brTPF interface.
class	PhysicalOpBindJoinSPARQL	A physical operator that implements a batch-based bind-join algorithm for SPARQL endpoints that can be used in different variations.
class	PhysicalOpFilter	A physical operator that filters the input solution mappings.
class	PhysicalOpFixedSolMap	A physical operator that returns a given solution mapping.
class	PhysicalOpGlobalToLocal	A physical operator that applies a given vocabulary mapping to all input solution mappings, converting them from using global vocabulary terms to using local vocabulary terms.
class	PhysicalOpHashJoin	A physical operator that implements the hash join algorithm to perform an inner join of two sequences of input solution mappings (produced by the two sub-plans under this operator).
class	PhysicalOpHashRJoin	A physical operator that implements the hash join algorithm to perform a right outer join of two sequences of input solution mappings (produced by the two sub-plans under this operator).
class	PhysicalOpIndexNestedLoopsJoin	A physical operator that implements a version of the index nested loops join algorithm where the federation member is used as an index to request join partners for the input solution mappings.
class	PhysicalOpLocalToGlobal	A physical operator that applies a given vocabulary mapping to all input solution mappings, converting them from using local vocabulary terms to using global vocabulary terms.
class	PhysicalOpLookupJoinViaWrapper	A physical operator that ..
class	PhysicalOpMultiwayUnion	A physical operator that implements a multi-way union.
class	PhysicalOpNaiveNestedLoopsJoin	A physical operator that implements a local (!)
class	PhysicalOpParallelMultiLeftJoin	A physical operator that implements a left-outer join for multiple optional parts; as a unary operator, the operator has a single input, which provides the solutions of the non-optional part.
class	PhysicalOpRequest<ReqType extends DataRetrievalRequest,MemberType extends FederationMember>	A physical operator that performs a request at a federation member and, then, outputs the solution mappings obtained via this request.
class	PhysicalOpSymmetricHashJoin	A physical operator that implements the symmetric hash join algorithm to perform an inner join of two sequences of input solution mappings (produced by the two sub-plans under this operator).