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ICommand.hpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 16, D-52074 Aachen, Germany
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 * 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.
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 * You should have received a copy of the GNU Lesser General Public License
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#ifndef WNS_EVENTS_SCHEDULER_COMMAND_HPP
#define WNS_EVENTS_SCHEDULER_COMMAND_HPP

#include <WNS/SmartPtr.hpp>
#include <WNS/Exception.hpp>

namespace wns { namespace events { namespace scheduler {
    class ICommand :
        virtual public RefCountable
    {
    public:
        class CancelException :
            wns::Exception
        {
        public:
            CancelException(const std::string& s) :
                wns::Exception(s)
            {
            }

            ~CancelException() throw() {}
        };

        virtual
        ~ICommand()
        {}

        virtual bool
        isNotSubmitted() const = 0;

        virtual bool
        isQueued() const = 0;

        virtual bool
        isRunning() const = 0;

        virtual bool
        isFinished() const = 0;

        virtual bool
        isCanceled() const = 0;
    };

    typedef wns::SmartPtr<ICommand> ICommandPtr;
}
}
}

#endif // NOT defined WNS_EVENTS_SCHEDULER_COMMAND_HPP

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