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.core;
020
021
022/**
023 * JMX management interface for {@link VolatileSequencer}.
024 * @author apr@cs.com.uy
025 * @version $Id$
026 * @since jPOS 1.3.9
027 */
028public interface VolatileSequencerMBean {
029    /**
030     * Returns the names of every registered counter.
031     *
032     * @return array of counter names
033     */
034    String[] getCounterNames();
035    /**
036     * Increments {@code counterName} by {@code add} and returns its new value.
037     *
038     * @param counterName name of the counter
039     * @param add increment to apply
040     * @return the counter's new value
041     */
042    int get(String counterName, int add);
043    /**
044     * Replaces the value of {@code counterName}.
045     *
046     * @param counterName name of the counter
047     * @param value new value
048     * @return the previous value
049     */
050    int set(String counterName, int value);
051}
052