org.eclipse.rdf4j.federated.monitoring

Class QueryPlanLog

java.lang.Object

org.eclipse.rdf4j.federated.monitoring.QueryPlanLog

public class QueryPlanLog
extends Object

Monitoring facility to maintain the query execution plan in a variable local to the executing thread. Can be used to retrieve the query plan from the outside in the evaluation thread. This module is only active if FedXConfig.isLogQueryPlan() is enabled. In addition FedXConfig.isEnableMonitoring() must be set. In any other case, this class is a void operation.

Author:

Andreas Schwarte

Constructor Summary

Constructors

Constructor and Description
QueryPlanLog()

Method Summary

Modifier and Type	Method and Description
static String	getQueryPlan()
static void	setQueryPlan(TupleExpr query)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryPlanLog

public QueryPlanLog()

Method Detail

getQueryPlan

public static String getQueryPlan()

setQueryPlan

public static void setQueryPlan(TupleExpr query)