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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | 70x 70x 1x 1x 1x | import { SparqlConnection, SparqlStoreType } from '../sparql-connection';
import { ComunicaEndpoint, SparqlEndpoint } from '../sparql-endpoint';
import { ISparqlEndpointProvider, SparqlEndpointOptions } from '../sparql-endpoint-provider.interface';
/**
* Default query source provider for generic SPARQL endpoints.
*
* This provider creates query sources for standard SPARQL endpoints
* that do not support inference toggling through URL parameters or headers.
* It serves as a fallback when no specific provider is registered for
* a store type.
*/
export class DefaultSparqlEndpointProvider implements ISparqlEndpointProvider {
readonly storeType: SparqlStoreType = 'sparql';
readonly supportsInference = false;
async createEndpoint(
connection: SparqlConnection,
_options: SparqlEndpointOptions
): Promise<ComunicaEndpoint> {
const source: SparqlEndpoint = {
type: 'sparql',
value: connection.endpointUrl,
connection: connection,
};
return source;
}
async getGraphs(
_connection: SparqlConnection,
_options: SparqlEndpointOptions
): Promise<string[]> {
// TODO: Implement generic SPARQL graph retrieval via SPARQL query
// e.g., SELECT DISTINCT ?g WHERE { GRAPH ?g { ?s ?p ?o } }
return [];
}
}
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