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 Details

    • QueryPlanLog

      public QueryPlanLog()
  • Method Details

    • getQueryPlan

      public static String getQueryPlan()
    • setQueryPlan

      public static void setQueryPlan(TupleExpr query)