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/*
    Copyright (c) 2007-2012 iMatix Corporation
    Copyright (c) 2009-2011 250bpm s.r.o.
    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;

public class Pull extends SocketBase {

    public static class PullSession extends SessionBase {
        public PullSession(IOThread io_thread_, boolean connect_,
            SocketBase socket_, final Options options_,
            final Address addr_) {
            super(io_thread_, connect_, socket_, options_, addr_);
        }
    }
    
    //  Fair queueing object for inbound pipes.
    private final FQ fq;
    
    public Pull(Ctx parent_, int tid_, int sid_) {
        super(parent_, tid_, sid_);
        options.type = ZMQ.ZMQ_PULL;
        
        fq = new FQ();
    }

    @Override
    protected void xattach_pipe(Pipe pipe_, boolean icanhasall_) {
        assert (pipe_!=null);
        fq.attach (pipe_);
    }

    
    @Override
    protected void xread_activated (Pipe pipe_)
    {       
        fq.activated (pipe_);
    }   

    @Override
    protected void xterminated(Pipe pipe_) {
        fq.terminated (pipe_);
    }

    @Override
    public Msg xrecv()
    {
        return fq.recv(errno);
    }
    
    @Override
    protected boolean xhas_in ()
    {
        return fq.has_in ();
    }       


}