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.iso;
020
021
022
023/**
024 * Channel interface
025 * @author Alejandro Revilla
026 * @version $Revision$ $Date$
027 * @since 2.0
028 */
029public interface Channel {
030    /**
031     * Sends an ISO message over this channel.
032     * @param m message to send
033     */
034    void send(ISOMsg m);
035    /**
036     * Receives an ISO message from this channel.
037     * @return received message
038     */
039    ISOMsg receive();
040    /**
041     * Receives an ISO message, waiting at most {@code timeout} milliseconds.
042     * @param timeout time to wait for a message
043     * @return received message or null on timeout
044     */
045    ISOMsg receive(long timeout);
046}
047