Package org.eclipse.rdf4j.repository.sparql.federation

Class SPARQLServiceResolver

java.lang.Object

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

org.eclipse.rdf4j.repository.sparql.federation.SPARQLServiceResolver

All Implemented Interfaces:

HttpClientDependent, SessionManagerDependent, org.eclipse.rdf4j.query.algebra.evaluation.federation.FederatedServiceResolver

public class SPARQLServiceResolver
extends org.eclipse.rdf4j.query.algebra.evaluation.federation.AbstractFederatedServiceResolver
implements org.eclipse.rdf4j.query.algebra.evaluation.federation.FederatedServiceResolver, HttpClientDependent, SessionManagerDependent

The SPARQLServiceResolver is used to manage a set of FederatedService instances, which are used to evaluate SERVICE expressions for particular service Urls.

Lookup can be done via the serviceUrl using the method AbstractFederatedServiceResolver.getService(String). If there is no service for the specified url, a SPARQLFederatedService is created and registered for future use.

Author:

Andreas Schwarte, James Leigh

Field Summary

Fields inherited from class org.eclipse.rdf4j.query.algebra.evaluation.federation.AbstractFederatedServiceResolver

endpointToService

Constructor Summary

Constructors

Constructor	Description
SPARQLServiceResolver()

Method Summary

Modifier and Type	Method	Description
protected org.eclipse.rdf4j.query.algebra.evaluation.federation.FederatedService	createService(String serviceUrl)
org.apache.http.client.HttpClient	getHttpClient()
HttpClientSessionManager	getHttpClientSessionManager()
void	setHttpClient(org.apache.http.client.HttpClient httpClient)
void	setHttpClientSessionManager(HttpClientSessionManager client)
void	shutDown()

Methods inherited from class org.eclipse.rdf4j.query.algebra.evaluation.federation.AbstractFederatedServiceResolver

getService, hasService, registerService, unregisterAll, unregisterService

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.federation.FederatedServiceResolver

getService

Constructor Detail

SPARQLServiceResolver

public SPARQLServiceResolver()

Method Detail

getHttpClientSessionManager

public HttpClientSessionManager getHttpClientSessionManager()

Specified by:

getHttpClientSessionManager in interface SessionManagerDependent

setHttpClientSessionManager

public void setHttpClientSessionManager(HttpClientSessionManager client)

Specified by:

setHttpClientSessionManager in interface SessionManagerDependent

getHttpClient

public org.apache.http.client.HttpClient getHttpClient()

Specified by:

getHttpClient in interface HttpClientDependent

setHttpClient

public void setHttpClient(org.apache.http.client.HttpClient httpClient)

Specified by:

setHttpClient in interface HttpClientDependent

createService

protected org.eclipse.rdf4j.query.algebra.evaluation.federation.FederatedService createService(String serviceUrl)
                                                                                        throws org.eclipse.rdf4j.query.QueryEvaluationException

Specified by:

createService in class org.eclipse.rdf4j.query.algebra.evaluation.federation.AbstractFederatedServiceResolver

Throws:

org.eclipse.rdf4j.query.QueryEvaluationException

shutDown

public void shutDown()

Overrides:

shutDown in class org.eclipse.rdf4j.query.algebra.evaluation.federation.AbstractFederatedServiceResolver