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Pure Java implementation of libzmq

There is a newer version: 0.6.0

/*
    Copyright (c) 2007-2012 iMatix Corporation
    Copyright (c) 2009-2011 250bpm s.r.o.
    Copyright (c) 2011 VMware, Inc.
    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file

    This file is part of 0MQ.

    0MQ 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 3 of the License, or
    (at your option) any later version.

    0MQ 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 program.  If not, see .
*/

package zmq;

//  Abstract interface to be implemented by various engines.
public interface IEngine {

    //  Plug the engine to the session.
    void plug(IOThread io_thread_, SessionBase session_);

    //  Terminate and deallocate the engine. Note that 'detached'
    //  events are not fired on termination.
    void terminate();


    //  This method is called by the session to signalise that more
    //  messages can be written to the pipe.
    void activate_in();
    
    //  This method is called by the session to signalise that there
    //  are messages to send available.
    void activate_out();


}