Handle.hpp

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/***************************************************************************
  tag: Peter Soetens  Wed Jan 18 14:11:38 CET 2006  Handle.hpp

                        Handle.hpp -  description
                           -------------------
    begin                : Wed January 18 2006
    copyright            : (C) 2006 Peter Soetens
    email                : peter.soetens@mech.kuleuven.be

 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
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 *   version 2 of the License.                                             *
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 *   software library without restriction.  Specifically, if other files   *
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#ifndef ORO_CORELIB_SIGNAL_HANDLE_HPP
#define ORO_CORELIB_SIGNAL_HANDLE_HPP

#include "internal/SignalBase.hpp"

namespace RTT
{
    class RTT_API Handle
    {
    private:
        typedef internal::SignalBase      sender_t; 
        typedef sender_t::connection_t    connection_t; 
    public:
        Handle();

        Handle(connection_t conn);

        Handle(const Handle& hs);

        ~Handle();

        bool connect();

        bool disconnect();

        bool connected() const;

        operator bool() const;

        bool ready() const;
    protected:
        connection_t  m_conn;
    };

    class RTT_API ScopedHandle
        :public Handle
    {
        ScopedHandle();
    public:

        ScopedHandle(const Handle& hs);

        ~ScopedHandle();
    };

    class RTT_API CleanupHandle
        :public Handle
    {
        CleanupHandle();
    public:

        CleanupHandle(const Handle& hs);

        ~CleanupHandle();
    };
}
#endif