DataObjectLocked.hpp

/***************************************************************************
  tag: Peter Soetens  Mon Jan 19 14:11:26 CET 2004  DataObjectLocked.hpp

                        DataObjectLocked.hpp -  description
                           -------------------
    begin                : Mon January 19 2004
    copyright            : (C) 2004 Peter Soetens
    email                : peter.soetens@mech.kuleuven.ac.be

 ***************************************************************************
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#ifndef CORELIB_DATAOBJECT_LOCKED_HPP
#define CORELIB_DATAOBJECT_LOCKED_HPP


#include "../os/MutexLock.hpp"
#include "DataObjectInterface.hpp"

namespace RTT
{ namespace base {

    template<class T>
    class DataObjectLocked
        : public DataObjectInterface<T>
    {
        mutable os::Mutex lock;

        T data;
    public:
        DataObjectLocked( const T& initial_value = T() )
            : data(initial_value) {}

        typedef T DataType;

        virtual void Get( DataType& pull ) const { os::MutexLock locker(lock); pull = data; }

        virtual DataType Get() const { DataType cache;  Get(cache); return cache; }

        virtual void Set( const DataType& push ) { os::MutexLock locker(lock); data = push; }

        virtual void data_sample( const DataType& sample ) {
            Set(sample);
        }
    };
}}

#endif