org.eclipse.rdf4j.query.algebra.evaluation.federation

Class TupleFunctionFederatedService

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.federation.TupleFunctionFederatedService

All Implemented Interfaces:

FederatedService

public class TupleFunctionFederatedService
extends Object
implements FederatedService

A federated service that can evaluate TupleFunctions.

Constructor Summary

Constructors

Constructor and Description
TupleFunctionFederatedService(TupleFunctionRegistry tupleFunctionRegistry, org.eclipse.rdf4j.model.ValueFactory vf)

Method Summary

Modifier and Type	Method and Description
boolean	ask(Service service, BindingSet bindings, String baseUri)
CloseableIteration<BindingSet,QueryEvaluationException>	evaluate(Service service, CloseableIteration<BindingSet,QueryEvaluationException> bindings, String baseUri)
void	initialize()
boolean	isInitialized()
CloseableIteration<BindingSet,QueryEvaluationException>	select(Service service, Set<String> projectionVars, BindingSet bindings, String baseUri)
void	shutdown()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TupleFunctionFederatedService

public TupleFunctionFederatedService(TupleFunctionRegistry tupleFunctionRegistry,
                                     org.eclipse.rdf4j.model.ValueFactory vf)

Method Detail

isInitialized

public boolean isInitialized()

Specified by:

isInitialized in interface FederatedService

initialize

public void initialize()

Specified by:

initialize in interface FederatedService

shutdown

public void shutdown()

Specified by:

shutdown in interface FederatedService

ask

public boolean ask(Service service,
                   BindingSet bindings,
                   String baseUri)
            throws QueryEvaluationException

Specified by:

ask in interface FederatedService

Throws:

QueryEvaluationException

select

public CloseableIteration<BindingSet,QueryEvaluationException> select(Service service,
                                                                      Set<String> projectionVars,
                                                                      BindingSet bindings,
                                                                      String baseUri)
                                                               throws QueryEvaluationException

Specified by:

select in interface FederatedService

Throws:

QueryEvaluationException

evaluate

public final CloseableIteration<BindingSet,QueryEvaluationException> evaluate(Service service,
                                                                              CloseableIteration<BindingSet,QueryEvaluationException> bindings,
                                                                              String baseUri)
                                                                       throws QueryEvaluationException

Specified by:

evaluate in interface FederatedService

Throws:

QueryEvaluationException