OperationBase.hpp

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/***************************************************************************
  tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  OperationBase.hpp

                        OperationBase.hpp -  description
                           -------------------
    begin                : Tue September 07 2010
    copyright            : (C) 2010 The SourceWorks
    email                : peter@thesourceworks.com

 ***************************************************************************
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#ifndef ORO_OPERATIONBASE_HPP_
#define ORO_OPERATIONBASE_HPP_

#include "../rtt-config.h"
#include "../rtt-fwd.hpp"
#include "rtt-base-fwd.hpp"
#include <string>
#include <vector>
#include "DisposableInterface.hpp"

namespace RTT
{
    template<class T>
    class Operation;

    enum ExecutionThread { OwnThread, ClientThread };

    namespace base
    {
        class OperationBase
        {
        protected:
            std::string mname;
            std::vector<std::string> descriptions;
            ExecutionEngine* mowner;
            RTT_API void mdoc(const std::string& description);
            RTT_API void marg(const std::string& name, const std::string& description);
            virtual void ownerUpdated() = 0;
        public:
            RTT_API OperationBase(const std::string& name);
            RTT_API virtual ~OperationBase();

            const std::string& getName() { return mname; }

            const std::vector<std::string>& getDescriptions() { return descriptions; }

            virtual DisposableInterface::shared_ptr getImplementation() = 0;

            virtual const DisposableInterface::shared_ptr getImplementation() const = 0;

            bool ready() const {
                return mowner && getImplementation();
            }

            void setOwner(ExecutionEngine* ee) {
                mowner = ee;
                // inform Operation<T> to update the implementation.
                this->ownerUpdated();
            }

            ExecutionEngine* getOwner() const {
                return mowner;
            }
        };
    }
}

#endif /* ORO_OPERATIONBASE_HPP_ */