neuray API Programmer's Manual

interface_merger.h File Reference

Description

Mixin class template to merge an interface with an implementation.

Code Example

interface_merger.h

‎//*****************************************************************************
// Copyright 1986, 2016 NVIDIA Corporation. All rights reserved.
//*****************************************************************************
//*****************************************************************************

#ifndef MI_BASE_INTERFACE_MERGER_H
#define MI_BASE_INTERFACE_MERGER_H

#include <mi/base/iinterface.h>

namespace mi {
namespace base {



































template <typename MAJOR, typename MINOR>
class Interface_merger
  : public MAJOR,
    public MINOR
{
public:
    typedef MAJOR MAJOR_BASE;
    
    typedef MINOR MINOR_BASE;

    static bool compare_iid( const Uuid& iid) {
        if( MAJOR::compare_iid( iid))
            return true;
        return MINOR::compare_iid( iid);
    }

    const IInterface* get_interface( const Uuid& interface_id) const;

    template <class T>
    const T* get_interface() const {
        return static_cast<const T*>( get_interface( typename T::IID()));
    }

    IInterface* get_interface( const Uuid& interface_id);

    template <class T>
    T* get_interface() {
        return static_cast<T*>( get_interface( typename T::IID()));
    }

    Uuid 
               get_iid() const {
        return MAJOR::get_iid();
    }

    mi::Uint32 
               retain() const {
        return MAJOR::retain();
    }

    mi::Uint32 
               release() const {
        return MAJOR::release();
    }

    const MAJOR* cast_to_major() const {
        return static_cast<const MAJOR*>( this);
    }

    MAJOR* cast_to_major() {
        return static_cast<MAJOR*>( this);
    }
};

template <typename MAJOR, typename MINOR>
const IInterface* Interface_merger< MAJOR, MINOR>::get_interface(
    const Uuid& interface_id) const
{
    const IInterface* iinterface = MAJOR::get_interface( interface_id);
    if( iinterface)
        return iinterface;
    return MINOR::get_interface_static( static_cast<const MINOR*>( this), interface_id);
}

template <typename MAJOR, typename MINOR>
IInterface* Interface_merger< MAJOR, MINOR>::get_interface(
    const Uuid& interface_id)
{
    IInterface* iinterface = MAJOR::get_interface( interface_id);
    if( iinterface)
        return iinterface;
    return MINOR::get_interface_static( static_cast<MINOR*>( this), interface_id);
}
 // end group mi_base_iinterface

} // namespace base
} // namespace mi

#endif // MI_BASE_INTERFACE_MERGER_H

Namespaces

namespace 
Common namespace for APIs of NVIDIA Advanced Rendering Center GmbH. More...
namespace 
Namespace for the Base API. More...

Classes

class 
This mixin merges the implementation of one interface with a second interface. More...