ServiceRegistry (Stardog-10.2.1 API)

```
public interface ServiceRegistry
```
Registry for SPARQL federated service implementations.

Since:

3.0

Version:

6.0

Author:

Michael Grove

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Optional<Service>`	`canEvaluate(IRI theURI, java.util.function.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 Detail
  - canEvaluate
```
java.util.Optional<Service> canEvaluate(IRI theURI,
                                        java.util.function.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.