TAO/tao/Services_Activate.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Services_Activate.h
   6  *
   7  * This is a generic interface that would be used to activate
   8  * the services that are loaded through the svc.conf file
   9  *
  10  *  @author Bala Natarajan <bala@cs.wustl.edu>
  11  */
  12 //=============================================================================
  13
  14 #ifndef TAO_SERVICES_ACTIVATE_H
  15 #define TAO_SERVICES_ACTIVATE_H
  16
  17 #include /**/ "ace/pre.h"
  18 #include "ace/Service_Object.h"
  19
  20 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  21 # pragma once
  22 #endif /* ACE_LACKS_PRAGMA_ONCE */
  23
  24 #include "tao/orbconf.h"
  25 #include /**/ "tao/TAO_Export.h"
  26
  27 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  28
  29 class TAO_ORB_Core;
  30 class TAO_Service_Callbacks;
  31
  32 /**
  33  * @class TAO_Services_Activate
  34  *
  35  * @brief A class to dynamically load callback implementations in to an
  36  * ORB.
  37  *
  38  * Many services and components of the ORB whose default behaviour
  39  * needs to be changed can use this class to activate the Callback
  40  * hooks. These hooks can then be called by the ORB at the right
  41  * points.
  42  * @@ TODO
  43  */
  44 class TAO_Export TAO_Services_Activate : public ACE_Service_Object
  45 {
  46 public:
  47   /// The destructor
  48   virtual ~TAO_Services_Activate ();
  49
  50   /**
  51    * Create and activate the service callbacks into the orb.
  52    * This method cannot throw any exception, but it can return a nil
  53    * object to indicate an error condition.
  54    */
  55   virtual TAO_Service_Callbacks* activate_services (TAO_ORB_Core *orb) = 0;
  56 };
  57
  58 TAO_END_VERSIONED_NAMESPACE_DECL
  59
  60 #include /**/ "ace/post.h"
  61
  62 #endif /*TAO_SERVICES_ACTIVATE_H*/