mama/MamaDQPublisher.java

/* $Id:
 *
 * OpenMAMA: The open middleware agnostic messaging API
 * Copyright (C) 2011 NYSE Technologies, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

package com.wombat.mama;

public class MamaDQPublisher
{
    /*A long value containing a pointer to the underlying C dqpublisher structure*/
    private long dqPublisherPointer_i = 0;

    /* Object container to hold the user supplied cache */
    private Object myCache;

    static
    {
        initIDs();
    }

    public MamaDQPublisher()
    {
        /* nothing to do */
    }

    public void create (MamaTransport transport, String topic)
    {
        _create (transport, topic);
    }

    public void send (MamaMsg msg)
    {
        checkIsCreated("send");
        _send(msg);
    }

    public void sendReply (MamaMsg request, MamaMsg reply)
    {
        checkIsCreated ("sendReply");
        _sendReply(request, reply);
    }

    public void destroy ()
    {
        checkIsCreated ("destroy");
        _destroy();
    }

    public void setStatus (int status)
    {
        checkIsCreated ("setStatus");
        _setStatus (status);
    }

    public void setSenderId (long id)
    {
        checkIsCreated ("setSenderId");
        _setSenderId (id);
    }

    public void setSeqNum (long num)
    {
        checkIsCreated ("setSeqNum");
        _setSeqNum (num);
    }

    private native void _create (MamaTransport transport, String topic);

    private native void _send (MamaMsg msg);

    private native void _sendReply (MamaMsg request, MamaMsg reply);

    private native void _destroy ();

    private native void _setStatus (int status);

    private native void _setSenderId (long id);

    private native void _setSeqNum (long num);

    private static native void initIDs ();

    private void checkIsCreated (String invokingMethod)
    {
        if (0 == dqPublisherPointer_i)
        {
            throw new MamaException("Cannot call " + invokingMethod +
                    "before invoking create()");
        }
    }

    public void setCache (Object cache)
    {
        myCache = cache;
    }

    public Object getCache()
    {
        return myCache;
    }
}