Package com.complexible.stardog.plan.eval.service

Interface ServiceRegistry

public interface ServiceRegistry

Registry for SPARQL federated service implementations.

Since:

3.0

Version:

6.0

Author:

Michael Grove

Method Summary

Modifier and Type	Method	Description
Optional<Service>	canEvaluate(IRI theURI, Predicate<IRI> canReadNg)	Find a service compatible with the given URI
static boolean	isInternalService(IRI iri)	Is the service an internal service? Internal services can be referred to using the GRAPH keyword and should not overlap with graph names.

Method Details

canEvaluate

Optional<Service> canEvaluate(IRI theURI,
 Predicate<IRI> canReadNg)

Find a service compatible with the given URI

Parameters:

theURI - the URI of the service

canReadNg - a predicate to test whether users are authorized to read the graph represented by given service IRI

Returns:

an Optional holding a Service corresponding to the URI, or an Optional.empty() if a compatible Service is not found

isInternalService

static boolean isInternalService(IRI iri)

Is the service an internal service? Internal services can be referred to using the GRAPH keyword and should not overlap with graph names.