com.bigdata.rdf.sail

Class QueryCancellationHelper

java.lang.Object

com.bigdata.rdf.sail.QueryCancellationHelper

public class QueryCancellationHelper
extends Object

This class encapsulate functionality that is common to the REST API and Embedded Graph deployments.

Author:

beebs

Constructor Summary

Constructors

Constructor and Description
QueryCancellationHelper()

Method Summary

Methods

Modifier and Type	Method and Description
static void	cancelQueries(Collection<UUID> queryIds, QueryEngine queryEngine)
static void	cancelQuery(UUID queryId, QueryEngine queryEngine)
static boolean	tryCancelQuery(QueryEngine queryEngine, UUID queryId) Attempt to cancel a running SPARQL Query
static boolean	tryCancelUpdate(QueryEngine queryEngine, RunningQuery query) Attempt to cancel a running SPARQL UPDATE request.
static boolean	tryCancelUpdate(QueryEngine queryEngine, UUID queryId, Future<Void> f)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryCancellationHelper

public QueryCancellationHelper()

Method Detail

cancelQuery

public static void cancelQuery(UUID queryId,
               QueryEngine queryEngine)

cancelQueries

public static void cancelQueries(Collection<UUID> queryIds,
                 QueryEngine queryEngine)

tryCancelQuery

public static boolean tryCancelQuery(QueryEngine queryEngine,
                     UUID queryId)

Attempt to cancel a running SPARQL Query

Parameters:

queryEngine -

queryId -

Returns:

tryCancelUpdate

public static boolean tryCancelUpdate(QueryEngine queryEngine,
                      RunningQuery query)

Attempt to cancel a running SPARQL UPDATE request.

Parameters:

context -

queryId -

Returns:

tryCancelUpdate

public static boolean tryCancelUpdate(QueryEngine queryEngine,
                      UUID queryId,
                      Future<Void> f)