Interface ISparqlQueryAlgebraProcessor<TResult, TContext>

Interface for SPARQL Query Algebra Processors.

Namespace: VDS.RDF.Query
Assembly: dotNetRdf.dll
Syntax
public interface ISparqlQueryAlgebraProcessor<out TResult, in TContext>
Type Parameters
Name Description
TResult

Type of intermediate results produced by processing an Algebra operator.
TContext

Type of context object providing evaluation context.
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

Methods

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ProcessAlgebra(ISparqlAlgebra, TContext)

Processes SPARQL Algebra.

Declaration
TResult ProcessAlgebra(ISparqlAlgebra algebra, TContext context)
Parameters
Type Name Description
ISparqlAlgebra algebra

Algebra.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessAsk(Ask, TContext)

Processes an Ask.

Declaration
TResult ProcessAsk(Ask ask, TContext context)
Parameters
Type Name Description
Ask ask

Ask.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessAskAnyTriples(AskAnyTriples, TContext)

Processes an optimised ASK of the form ASK WHERE { ?s ?p ?o }.

Declaration
TResult ProcessAskAnyTriples(AskAnyTriples askAny, TContext context)
Parameters
Type Name Description
AskAnyTriples askAny
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessBgp(IBgp, TContext)

Processes a BGP.

Declaration
TResult ProcessBgp(IBgp bgp, TContext context)
Parameters
Type Name Description
IBgp bgp

BGP.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessBindings(Bindings, TContext)

Processes a Bindings modifier.

Declaration
TResult ProcessBindings(Bindings b, TContext context)
Parameters
Type Name Description
Bindings b

Bindings.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessBindPattern(BindPattern, TContext)

Declaration
TResult ProcessBindPattern(BindPattern bindPattern, TContext context)
Parameters
Type Name Description
BindPattern bindPattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessBoundFilter(BoundFilter, TContext)

Process a.

Declaration
TResult ProcessBoundFilter(BoundFilter filter, TContext context)
Parameters
Type Name Description
BoundFilter filter
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessChainFilter(ChainFilter, TContext)

Declaration
TResult ProcessChainFilter(ChainFilter filter, TContext context)
Parameters
Type Name Description
ChainFilter filter
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessDistinct(Distinct, TContext)

Processes a Distinct modifier.

Declaration
TResult ProcessDistinct(Distinct distinct, TContext context)
Parameters
Type Name Description
Distinct distinct

Distinct modifier.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessExistsJoin(IExistsJoin, TContext)

Processes an Exists Join.

Declaration
TResult ProcessExistsJoin(IExistsJoin existsJoin, TContext context)
Parameters
Type Name Description
IExistsJoin existsJoin

Exists Join.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessExtend(Extend, TContext)

Processes an Extend.

Declaration
TResult ProcessExtend(Extend extend, TContext context)
Parameters
Type Name Description
Extend extend

Extend.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessFilter(IFilter, TContext)

Processes a Filter.

Declaration
TResult ProcessFilter(IFilter filter, TContext context)
Parameters
Type Name Description
IFilter filter

Filter.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessFilterPattern(FilterPattern, TContext)

Declaration
TResult ProcessFilterPattern(FilterPattern filterPattern, TContext context)
Parameters
Type Name Description
FilterPattern filterPattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessGraph(Graph, TContext)

Processes a Graph.

Declaration
TResult ProcessGraph(Graph graph, TContext context)
Parameters
Type Name Description
Graph graph

Graph.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessGroupBy(GroupBy, TContext)

Processes a Group By.

Declaration
TResult ProcessGroupBy(GroupBy groupBy, TContext context)
Parameters
Type Name Description
GroupBy groupBy

Group By.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessHaving(Having, TContext)

Processes a Having.

Declaration
TResult ProcessHaving(Having having, TContext context)
Parameters
Type Name Description
Having having

Having.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessJoin(IJoin, TContext)

Processes a Join.

Declaration
TResult ProcessJoin(IJoin join, TContext context)
Parameters
Type Name Description
IJoin join

Join.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessLeftJoin(ILeftJoin, TContext)

Processes a LeftJoin.

Declaration
TResult ProcessLeftJoin(ILeftJoin leftJoin, TContext context)
Parameters
Type Name Description
ILeftJoin leftJoin

Left Join.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessLetPattern(LetPattern, TContext)

Declaration
TResult ProcessLetPattern(LetPattern letPattern, TContext context)
Parameters
Type Name Description
LetPattern letPattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessMinus(IMinus, TContext)

Processes a Minus.

Declaration
TResult ProcessMinus(IMinus minus, TContext context)
Parameters
Type Name Description
IMinus minus

Minus.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessNegatedPropertySet(NegatedPropertySet, TContext)

Processes a Negated Property Set.

Declaration
TResult ProcessNegatedPropertySet(NegatedPropertySet negPropSet, TContext context)
Parameters
Type Name Description
NegatedPropertySet negPropSet

Negated Property Set.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessNullOperator(NullOperator, TContext)

Processes a Null Operator.

Declaration
TResult ProcessNullOperator(NullOperator nullOp, TContext context)
Parameters
Type Name Description
NullOperator nullOp

Null Operator.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessOneOrMorePath(OneOrMorePath, TContext)

Processes a One or More Path.

Declaration
TResult ProcessOneOrMorePath(OneOrMorePath path, TContext context)
Parameters
Type Name Description
OneOrMorePath path

Path.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessOrderBy(OrderBy, TContext)

Processes an Order By.

Declaration
TResult ProcessOrderBy(OrderBy orderBy, TContext context)
Parameters
Type Name Description
OrderBy orderBy
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessPropertyFunction(PropertyFunction, TContext)

Declaration
TResult ProcessPropertyFunction(PropertyFunction propertyFunction, TContext context)
Parameters
Type Name Description
PropertyFunction propertyFunction
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessPropertyFunctionPattern(PropertyFunctionPattern, TContext)

Declaration
TResult ProcessPropertyFunctionPattern(PropertyFunctionPattern propFunctionPattern, TContext context)
Parameters
Type Name Description
PropertyFunctionPattern propFunctionPattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessPropertyPath(PropertyPath, TContext)

Processes a Property Path.

Declaration
TResult ProcessPropertyPath(PropertyPath path, TContext context)
Parameters
Type Name Description
PropertyPath path

Path.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessPropertyPathPattern(PropertyPathPattern, TContext)

Declaration
TResult ProcessPropertyPathPattern(PropertyPathPattern propertyPathPattern, TContext context)
Parameters
Type Name Description
PropertyPathPattern propertyPathPattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessReduced(Reduced, TContext)

Processes a Reduced modifier.

Declaration
TResult ProcessReduced(Reduced reduced, TContext context)
Parameters
Type Name Description
Reduced reduced

Reduced modifier.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessSelect(Select, TContext)

Processes a Select.

Declaration
TResult ProcessSelect(Select select, TContext context)
Parameters
Type Name Description
Select select

Select.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessSelectDistinctGraphs(SelectDistinctGraphs, TContext)

Processes a Select Distinct Graphs.

Declaration
TResult ProcessSelectDistinctGraphs(SelectDistinctGraphs selDistGraphs, TContext context)
Parameters
Type Name Description
SelectDistinctGraphs selDistGraphs

Select Distinct Graphs.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessService(Service, TContext)

Processes a Service.

Declaration
TResult ProcessService(Service service, TContext context)
Parameters
Type Name Description
Service service

Service.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessSingleValueRestrictionFilter(SingleValueRestrictionFilter, TContext)

Declaration
TResult ProcessSingleValueRestrictionFilter(SingleValueRestrictionFilter filter, TContext context)
Parameters
Type Name Description
SingleValueRestrictionFilter filter
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessSlice(Slice, TContext)

Processes a Slice modifier.

Declaration
TResult ProcessSlice(Slice slice, TContext context)
Parameters
Type Name Description
Slice slice

Slice modifier.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessSubQuery(SubQuery, TContext)

Processes a subquery.

Declaration
TResult ProcessSubQuery(SubQuery subquery, TContext context)
Parameters
Type Name Description
SubQuery subquery

Subquery.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessSubQueryPattern(SubQueryPattern, TContext)

Declaration
TResult ProcessSubQueryPattern(SubQueryPattern subQueryPattern, TContext context)
Parameters
Type Name Description
SubQueryPattern subQueryPattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessTriplePattern(TriplePattern, TContext)

Declaration
TResult ProcessTriplePattern(TriplePattern triplePattern, TContext context)
Parameters
Type Name Description
TriplePattern triplePattern
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessUnaryExpressionFilter(UnaryExpressionFilter, TContext)

Declaration
TResult ProcessUnaryExpressionFilter(UnaryExpressionFilter filter, TContext context)
Parameters
Type Name Description
UnaryExpressionFilter filter
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessUnion(IUnion, TContext)

Processes a Union.

Declaration
TResult ProcessUnion(IUnion union, TContext context)
Parameters
Type Name Description
IUnion union

Union.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessUnknownOperator(ISparqlAlgebra, TContext)

Invoked to process any other algebra class not covered above. In particular engine-specific optimised algebra classes.

Declaration
TResult ProcessUnknownOperator(ISparqlAlgebra op, TContext context)
Parameters
Type Name Description
ISparqlAlgebra op
TContext context
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessZeroLengthPath(ZeroLengthPath, TContext)

Processes a Zero Length Path.

Declaration
TResult ProcessZeroLengthPath(ZeroLengthPath path, TContext context)
Parameters
Type Name Description
ZeroLengthPath path

Path.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

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ProcessZeroOrMorePath(ZeroOrMorePath, TContext)

Processes a Zero or More Path.

Declaration
TResult ProcessZeroOrMorePath(ZeroOrMorePath zeroOrMorePath, TContext context)
Parameters
Type Name Description
ZeroOrMorePath zeroOrMorePath

Path.
TContext context

Evaluation Context.
Returns
Type Description
TResult
Remarks

A SPARQL Query Algebra Processor is a class which knows how to evaluate the.

Extension Methods