001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.util;
020
021/**
022 * Exposes thread-pool metrics via JMX.
023 */
024public interface ThreadPoolMBean {
025    /**
026     * Returns the number of jobs processed by this pool.
027     *
028     * @return number of processed jobs
029     */
030    int getJobCount();
031
032    /**
033     * Returns the number of running threads in the pool.
034     *
035     * @return current pool size
036     */
037    int getPoolSize();
038
039    /**
040     * Returns the maximum number of threads allowed in the pool.
041     *
042     * @return maximum pool size
043     */
044    int getMaxPoolSize();
045
046    /**
047     * Returns the number of idle threads.
048     *
049     * @return idle thread count
050     */
051    int getIdleCount();
052
053    /**
054     * Returns the number of pending jobs.
055     *
056     * @return pending job count
057     */
058    int getPendingCount();
059}