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.transaction.participant;
020
021import org.jpos.core.Configurable;
022import org.jpos.core.Configuration;
023import org.jpos.core.ConfigurationException;
024import org.jpos.space.Space;
025import org.jpos.space.SpaceFactory;
026import org.jpos.transaction.TransactionParticipant;
027
028import java.io.Serializable;
029
030/**
031 * Transaction participant that forwards the context to a configured space
032 * queue, handing the work off to another asynchronous worker.
033 */
034@SuppressWarnings("unchecked")
035public class Forward implements TransactionParticipant, Configurable  {
036    /** Default constructor; no instance state to initialise. */
037    public Forward() {}
038    Space sp;
039    String queue;
040    long timeout;
041    public int prepare (long id, Serializable o) {
042        sp.out (queue, o, timeout);
043        return PREPARED | READONLY | NO_JOIN;
044    }
045    public void commit (long id, Serializable o) { }
046    public void abort  (long id, Serializable o) { }
047
048    public void setConfiguration (Configuration cfg) 
049        throws ConfigurationException
050    {
051        sp = SpaceFactory.getSpace(cfg.get ("space", ""));
052        queue = cfg.get ("queue", null);
053        if (queue == null)
054            throw new ConfigurationException ("Unspecified queue");
055        timeout = cfg.getLong ("timeout", 60000L);
056    }
057}
058