Class GenericQueryProcessor

A SPARQL Query Processor where the query is processed by passing it to the Query() method of an IQueryableStorage.

Inheritance
System.Object
QueryProcessorBase
GenericQueryProcessor
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()
Namespace: VDS.RDF.Query
Assembly: dotNetRdf.dll
Syntax
public class GenericQueryProcessor : QueryProcessorBase, ISparqlQueryProcessor

Constructors

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GenericQueryProcessor(IQueryableStorage)

Creates a new Generic Query Processor.

Declaration
public GenericQueryProcessor(IQueryableStorage manager)
Parameters
Type Name Description
IQueryableStorage manager

Generic IO Manager.

Methods

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ProcessQuery(IRdfHandler, ISparqlResultsHandler, SparqlQuery)

Processes a SPARQL Query passing the results to the RDF or Results handler as appropriate.

Declaration
public override void ProcessQuery(IRdfHandler rdfHandler, ISparqlResultsHandler resultsHandler, SparqlQuery query)
Parameters
Type Name Description
IRdfHandler rdfHandler

RDF Handler.
ISparqlResultsHandler resultsHandler

Results Handler.
SparqlQuery query

SPARQL Query.
Overrides
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ProcessQuery(SparqlQuery)

Processes a SPARQL Query.

Declaration
public object ProcessQuery(SparqlQuery query)
Parameters
Type Name Description
SparqlQuery query

SPARQL Query.
Returns
Type Description
System.Object
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ProcessQueryAsync(IRdfHandler, ISparqlResultsHandler, SparqlQuery)

Process a SPARQL query asynchronously, passing the results to teh relevant handler.

Declaration
public Task ProcessQueryAsync(IRdfHandler rdfHandler, ISparqlResultsHandler resultsHandler, SparqlQuery query)
Parameters
Type Name Description
IRdfHandler rdfHandler

RDF handler invoked for queries that return RDF graphs.
ISparqlResultsHandler resultsHandler

Results handler invoked for queries that return SPARQL results sets.
SparqlQuery query

SPARQL query.
Returns
Type Description
System.Threading.Tasks.Task
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ProcessQueryAsync(SparqlQuery)

Process a SPARQL query asynchronously returning either a SparqlResultSet or a IGraph depending on the type of the query.

Declaration
public Task<object> ProcessQueryAsync(SparqlQuery query)
Parameters
Type Name Description
SparqlQuery query

SPARQL query.
Returns
Type Description
System.Threading.Tasks.Task<TResult><System.Object>

Either an <see cref="IGraph">IGraph</see> instance of a <see cref="SparqlResultSet">SparqlResultSet</see> depending on the type of the query.

Implements

Extension Methods