Interface IQueryableStorage
Interface for storage providers which allow SPARQL Queries to be made against them.
Inherited Members
Namespace: VDS.RDF.Storage
Assembly: dotNetRdf.dll
Syntax
public interface IQueryableStorage : IStorageProvider, IStorageCapabilities, IDisposableMethods
| Edit this page View SourceQuery(string)
Makes a SPARQL Query against the underlying store.
Declaration
object Query(string sparqlQuery)Parameters
| Type | Name | Description |
|---|---|---|
| string | sparqlQuery | SPARQL Query. |
Returns
| Type | Description |
|---|---|
| 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. |
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. |
| 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. |