Interface IQueryableStorage

Interface for storage providers which allow SPARQL Queries to be made against them.
Inherited Members
System.IDisposable.Dispose()
Namespace: VDS.RDF.Storage
Assembly: dotNetRDF.dll
Syntax
public interface IQueryableStorage : IStorageProvider, IStorageCapabilities, IDisposable

Methods

| Improve this Doc View Source

Query(String)

Makes a SPARQL Query against the underlying store.
Declaration
object Query(string sparqlQuery)
Parameters
Type Name Description
System.String sparqlQuery SPARQL Query.
Returns
Type Description
System.Object SparqlResultSet or a Graph depending on the Sparql Query.
Exceptions
Type Condition
RdfQueryException Thrown if an error occurs performing the query.
RdfStorageException Thrown if an error occurs performing the query.
RdfParseException Thrown if the query is invalid when validated by dotNetRDF prior to passing the query request to the store or if the request succeeds but the store returns malformed results.
RdfParserSelectionException Thrown if the store returns results in a format dotNetRDF does not understand.
| Improve this Doc View Source

Query(IRdfHandler, ISparqlResultsHandler, String)

Makes a SPARQL Query against the underlying store processing the resulting Graph/Result Set with a handler of your choice.
Declaration
void Query(IRdfHandler rdfHandler, ISparqlResultsHandler resultsHandler, string sparqlQuery)
Parameters
Type Name Description
IRdfHandler rdfHandler RDF Handler.
ISparqlResultsHandler resultsHandler SPARQL Results Handler.
System.String sparqlQuery SPARQL Query.
Exceptions
Type Condition
RdfQueryException Thrown if an error occurs performing the query.
RdfStorageException Thrown if an error occurs performing the query.
RdfParseException Thrown if the query is invalid when validated by dotNetRDF prior to passing the query request to the store or if the request succeeds but the store returns malformed results.
RdfParserSelectionException Thrown if the store returns results in a format dotNetRDF does not understand.

Extension Methods