User Manual, Developers Guide and API Documentation

RoundRobinConnector.cpp

Go to the documentation of this file.

/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 5, D-52074 Aachen, Germany
 * phone: ++49-241-80-27910,
 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS 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 <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/

#include <WNS/ldk/RoundRobinConnector.hpp>
#include <WNS/ldk/FunctionalUnit.hpp>

using namespace wns::ldk;

bool
RoundRobinConnector::hasAcceptor(const CompoundPtr& compound)
{
    if(recs.size() == 1) {
        return recs.current()->isAccepting(compound);
    }

    bool result = false;

    recs.startRound();
    while(recs.hasNext()) {
        IConnectorReceptacle* it = recs.next();

        if(it->isAccepting(compound)) {
            result = true;
            break;
        }
    }
    recs.cancelRound();
    return result;
} // hasAcceptor


IConnectorReceptacle*
RoundRobinConnector::getAcceptor(const CompoundPtr& compound)
{
    assure(!recs.empty(), "Called getAcceptor even though no FU available");

    if(recs.size() == 1) {
        assure(recs.current()->isAccepting(compound), "Called getAcceptor although no FU is accepting");
        return recs.current();
    }

    IConnectorReceptacle* candidate = NULL;

    recs.startRound();
    while(recs.hasNext()) {
        candidate = recs.next();
        if(candidate->isAccepting(compound)) {
            break;
        } else {
            // not a candidate if not accpeting
            candidate = NULL;
        }
    }
    recs.endRound();

    assure(candidate, "getAcceptor call, but there is no valid candidate.");
    return candidate;
} // getAcceptor

---