/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.sparql.mgt;
/** Overall statistics from a query engine - one such per type of engine. */
public interface QueryEngineInfoMBean
{
/** Number of queries executed */
long getQueryCount() ;
/** Last query seen, as a string */
String getLastQueryString() ;
/** Last algebra expression seen, as a string */
String getLastAlgebra() ;
/** Point in time when last query seen */
String getLastQueryExecAt() ;
// /** Length of elapsed time (in microseconds) for the last query : -1 for unknown */
// long getLastQueryExecTime() ;
}