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// -*- C++ -*-
// ===================================================================
/**
* @file ORBInitializer_Registry.h
*
* $Id$
*
* @author Ossama Othman <ossama@uci.edu>
*/
// ===================================================================
#ifndef TAO_ORB_INITIALIZER_REGISTRY_H
#define TAO_ORB_INITIALIZER_REGISTRY_H
#include "ace/pre.h"
#include "TAO_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "PortableInterceptorC.h"
#include "ace/Array_Base.h"
/**
* @class TAO_ORBInitializer_Registry
*
* @brief Global list that contains all portable interceptor ORB
* initializers.
*
* @note This class should be instantiated via its instance() method.
* Normally this would be enforced by making the constructor
* protected but that forces a friend declaration containing a
* template type (TAO_Singleton) with a static member to be
* introduced. In turn, this potentially introduces problems in
* MS Windows DLL environments due to the occurance of multiple
* singleton instances. There should only be one!
*/
class TAO_Export TAO_ORBInitializer_Registry
{
friend void PortableInterceptor::register_orb_initializer (
PortableInterceptor::ORBInitializer_ptr init
ACE_ENV_ARG_DECL_NOT_USED);
friend CORBA::ORB_ptr CORBA::ORB_init (int &,
char *argv[],
const char *,
CORBA_Environment &);
public:
/// Only allow this class to be instantiated as a singleton
/// instance, so declare the constructor as protected.
/**
* @note See the note in the class description for an explanation of
* why this constructor is not protected.
*/
TAO_ORBInitializer_Registry (void);
/// Destructor. Releases duplicated ORBInitializer references.
~TAO_ORBInitializer_Registry (void);
protected:
/// Register an ORBInitializer with the underlying ORBInitializer
/// array.
void register_orb_initializer (
PortableInterceptor::ORBInitializer_ptr init
ACE_ENV_ARG_DECL);
/// Begin initialization of all registered ORBInitializers before
/// the ORB itself is initialized.
void pre_init (PortableInterceptor::ORBInitInfo_ptr info
ACE_ENV_ARG_DECL);
/// Complete initialization of all registered ORBInitializers after
/// the ORB has been initialized.
void post_init (PortableInterceptor::ORBInitInfo_ptr info
ACE_ENV_ARG_DECL);
/// Return a unique singleton instance.
static TAO_ORBInitializer_Registry *instance (void);
private:
/// Prevent copying
ACE_UNIMPLEMENTED_FUNC (
TAO_ORBInitializer_Registry (const TAO_ORBInitializer_Registry &))
ACE_UNIMPLEMENTED_FUNC (void operator= (const TAO_ORBInitializer_Registry &))
private:
/// Dynamic array containing registered ORBInitializers.
ACE_Array_Base<PortableInterceptor::ORBInitializer_ptr> initializers_;
};
#include "ace/post.h"
#endif /* TAO_ORB_INITIALIZER_REGISTRY_H */
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