com.sun.enterprise.admin.monitor.stats.ThreadPoolStats Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of stats77 Show documentation
Show all versions of stats77 Show documentation
Interim replacement for JSR 77 Stats and Statistics
The newest version!
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.admin.monitor.stats;
import org.glassfish.j2ee.statistics.Stats;
import org.glassfish.j2ee.statistics.CountStatistic;
import org.glassfish.j2ee.statistics.BoundedRangeStatistic;
import org.glassfish.j2ee.statistics.RangeStatistic;
/**
* Stats interface for the monitorable attributes of the
* a generic ThreadPool. This combines the statistics that were exposed in 7.0
* with the new ones. In 8.0, the generic Thread Pool that can be used by any component
* in the server runtime is introduced.
*
* @author Kedar Mhaswade
* @since S1AS8.0
* @version $Revision: 1.4 $
*/
public interface ThreadPoolStats extends Stats {
/**
* Returns the statistical information about the number of Threads in the associated ThreaPool,
* as an instance of BoundedRangeStatistic.
* This returned value gives an idea about how the pool is changing.
*
* @return an instance of {@link BoundedRangeStatistic}
*/
BoundedRangeStatistic getCurrentNumberOfThreads();
/**
* Returns the total number of available threads, as an instance of {@link CountStatistic}.
*
* @return an instance of {@link CountStatistic}
*/
CountStatistic getNumberOfAvailableThreads();
/**
* Returns the number of busy threads, as an instance of {@link CountStatistic}.
*
* @return an instance of {@link CountStatistic}
*/
CountStatistic getNumberOfBusyThreads();
/**
* Returns the statistical information about the average completion time of a work item in
* milliseconds.
*
* @return an instance of {@link RangeStatistic}
*/
RangeStatistic getAverageWorkCompletionTime();
/**
* Returns the the total number of work items added so far to the work queue associated with
* threadpool.
*
* @return an instance of {@link CountStatistic}
*/
CountStatistic getTotalWorkItemsAdded();
/**
* Returns average time in milliseconds a work item waited in the work queue before getting
* processed.
*
* @return an instance of {@link RangeStatistic}
*/
RangeStatistic getAverageTimeInQueue();
/**
* Returns the work items in queue
*
* @return an instance of {@link BoundedRangeStatistic}
*/
BoundedRangeStatistic getNumberOfWorkItemsInQueue();
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy