/home/brandes/workspace/LAMA/src/lama/HostReadAccess.hpp

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#ifndef LAMA_HOSTREADACCESS_HPP_
#define LAMA_HOSTREADACCESS_HPP_

// for dll_import
#include <lama/config.hpp>

// base classes
#include <lama/ReadAccess.hpp>

// others
#include <lama/ContextFactory.hpp>

namespace lama
{

template<typename T>
class HostReadAccess : public ReadAccess<T>
{
public:
    typedef T ValueType;

    HostReadAccess( const LAMAArray<ValueType>& array );

    HostReadAccess( const LAMAArrayConstView<ValueType>& view );

    virtual ~HostReadAccess();

    inline const ValueType& operator[] (const IndexType i) const;

    inline operator const ValueType*() const;

    using ReadAccess<ValueType>::get;

    using ReadAccess<ValueType>::size;

private:
    const ValueType* const mData;

    LAMA_LOG_DECL_STATIC_LOGGER(logger);
};

LAMA_LOG_DEF_TEMPLATE_LOGGER( template<typename T>, HostReadAccess<T>::logger, "ReadAccess.HostReadAccess");

template<typename T>
HostReadAccess<T>::HostReadAccess( const LAMAArray<ValueType>& array )
    : ReadAccess<T>( array, ContextFactory::getContext( Context::Host ) ), 
      mData( get() )
{
    LAMA_LOG_DEBUG(logger, "read access on host, mData = " << mData);
}

template<typename T>
HostReadAccess<T>::HostReadAccess( const LAMAArrayConstView<ValueType>& view )
    : ReadAccess<T>( view, ContextFactory::getContext( Context::Host ) ),
      mData( get() )
{
    LAMA_LOG_DEBUG(logger, "read access on host, mData = " << mData);
}

template<typename T>
HostReadAccess<T>::~HostReadAccess()
{
    LAMA_LOG_DEBUG(logger, "~HostReadAccess");
}

template<typename T>
inline const T& HostReadAccess<T>::operator[] (const IndexType i) const
{
    return mData[i];
}

template<typename T>
inline HostReadAccess<T>::operator const T*() const
{
    LAMA_LOG_TRACE(logger, "mData = " << mData);
    return mData;
}

}

#endif // LAMA_HOSTREADACCESS_HPP_