Package org.eclipse.rdf4j.http.client

Class SharedHttpClientSessionManager

java.lang.Object

org.eclipse.rdf4j.http.client.SharedHttpClientSessionManager

All Implemented Interfaces:

HttpClientDependent, HttpClientSessionManager

public class SharedHttpClientSessionManager
extends Object
implements HttpClientSessionManager, HttpClientDependent

A Manager for HTTP sessions that uses a shared HttpClient to manage HTTP connections.

Author:

James Leigh

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CORE_POOL_SIZE_PROPERTY	Configurable system property org.eclipse.rdf4j.client.executors.corePoolSize for specifying the background executor core thread pool size.

Constructor Summary

Constructors

Constructor	Description
SharedHttpClientSessionManager()
SharedHttpClientSessionManager(org.apache.http.impl.client.CloseableHttpClient dependentClient, ScheduledExecutorService dependentExecutorService)

Method Summary

Modifier and Type	Method	Description
RDF4JProtocolSession	createRDF4JProtocolSession(String serverURL)	Creates a new session to the remote RDF4J REST API.
SPARQLProtocolSession	createSPARQLProtocolSession(String queryEndpointUrl, String updateEndpointUrl)	Creates a new SPARQL Protocol session to the remote SPARQL endpoint.
protected final ExecutorService	getExecutorService()	Get the ExecutorService used by this session manager.
org.apache.http.client.HttpClient	getHttpClient()	HttpClient that has been assigned or has been used by this object.
void	initialize()	Deprecated. Create a new instance instead of trying to reactivate an old instance.
void	setHttpClient(org.apache.http.client.HttpClient httpClient)	Assign an HttpClient that this object should use.
void	setHttpClientBuilder(org.apache.http.impl.client.HttpClientBuilder httpClientBuilder)	Set an optional HttpClientBuilder to create the inner httpClient (if the latter is not provided externally as dependent client).
void	shutDown()	Closes any remaining connections and threads used by the sessions created by this object.

Methods inherited from class java.lang.Object

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

Field Details

CORE_POOL_SIZE_PROPERTY

public static final String CORE_POOL_SIZE_PROPERTY

Configurable system property org.eclipse.rdf4j.client.executors.corePoolSize for specifying the background executor core thread pool size.

See Also:

• Constant Field Values

Constructor Details

SharedHttpClientSessionManager

public SharedHttpClientSessionManager()

SharedHttpClientSessionManager

public SharedHttpClientSessionManager(org.apache.http.impl.client.CloseableHttpClient dependentClient,
 ScheduledExecutorService dependentExecutorService)

Method Details

getHttpClient

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

Description copied from interface: HttpClientDependent

HttpClient that has been assigned or has been used by this object. The life cycle might not be or might be tied to this object, depending on whether HttpClient was passed to or created by this object respectively.

Specified by:

getHttpClient in interface HttpClientDependent

Specified by:

getHttpClient in interface HttpClientSessionManager

Returns:

Returns the httpClient.

setHttpClient

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

Description copied from interface: HttpClientDependent

Assign an HttpClient that this object should use. The life cycle of the given HttpClient is independent of this object. Closing or shutting down this object does not have any impact on the given client. Callers must ensure that the given client is properly closed elsewhere.

Specified by:

setHttpClient in interface HttpClientDependent

Parameters:

httpClient - The httpClient to use for remote/service calls.

setHttpClientBuilder

public void setHttpClientBuilder(org.apache.http.impl.client.HttpClientBuilder httpClientBuilder)

Set an optional HttpClientBuilder to create the inner httpClient (if the latter is not provided externally as dependent client).

Parameters:

httpClientBuilder - the builder for the managed HttpClient

See Also:

• HttpClientBuilders

createSPARQLProtocolSession

public SPARQLProtocolSession createSPARQLProtocolSession(String queryEndpointUrl,
 String updateEndpointUrl)

Description copied from interface: HttpClientSessionManager

Creates a new SPARQL Protocol session to the remote SPARQL endpoint.

Specified by:

createSPARQLProtocolSession in interface HttpClientSessionManager

createRDF4JProtocolSession

public RDF4JProtocolSession createRDF4JProtocolSession(String serverURL)

Description copied from interface: HttpClientSessionManager

Creates a new session to the remote RDF4J REST API.

Specified by:

createRDF4JProtocolSession in interface HttpClientSessionManager

shutDown

public void shutDown()

Description copied from interface: HttpClientSessionManager

Closes any remaining connections and threads used by the sessions created by this object.

Specified by:

shutDown in interface HttpClientSessionManager

initialize

@Deprecated
public void initialize()

Deprecated.

Create a new instance instead of trying to reactivate an old instance.

No-op

getExecutorService

protected final ExecutorService getExecutorService()

Get the ExecutorService used by this session manager.

Returns:

a ExecutorService used by all SPARQLProtocolSession and RDF4JProtocolSession instances created by this session manager.