// -*- C++ -*-
// ===================================================================
/**
 *  @file   Connector_Impl.h
 *
 *  $Id$
 *
 *  @author Balachandran Natarajan <bala@cs.wustl.edu>
 */
// ===================================================================

#ifndef TAO_CONNECTOR_IMPL_H
#define TAO_CONNECTOR_IMPL_H
#include "ace/pre.h"
#include "tao/corbafwd.h"


#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */


#include "ace/Strategies_T.h"

class TAO_ORB_Core;
class ACE_Thread_Manager;

/**
 * @class TAO_Connect_Creation_Strategy
 *
 * @brief Creation strategy helper
 *
 * Creates the TAO_*_Connection_Handler object for the TAO_*_Connector
 * objects. This template class can now be used by all the Connector
 * objects instead of having to duplicate code. This class can be used
 * to set any required properties on the connection handlers at
 * creation time.
 *
 */

template <class SVC_HANDLER>
class TAO_Connect_Creation_Strategy : public ACE_Creation_Strategy<SVC_HANDLER>
{
public:

  /// Constructor. <arg> parameter is used to pass any special
  /// state/info to the service handler upon creation.  Currently used
  /// by IIOP and UIOP to pass protocol configuration properties.
  TAO_Connect_Creation_Strategy (ACE_Thread_Manager * = 0,
                                 TAO_ORB_Core* orb_core = 0,
                                 void *arg = 0,
                                 CORBA::Boolean flag = 0);

  /// Makes TAO_*_Client_Connection_Handlers
  virtual int make_svc_handler (SVC_HANDLER *&sh);


private:

  /// Pointer to the ORB_Core on which we are activated
  TAO_ORB_Core* orb_core_;

  /// Some info/state to be passed to the service handler we create.
  void *arg_;

  /// Are we using GIOP lite?
  CORBA::Boolean lite_flag_;
};



/**
 * @class TAO_Connect_Concurrency_Strategy
 *
 * @brief Concurrency strategy helper
 *
 * Activates the Svc_Handler, and then if the correct wait strategy is
 * in use registers the handler with the reactor.
 *
 */

template <class SVC_HANDLER>
class TAO_Connect_Concurrency_Strategy :
  public ACE_Concurrency_Strategy<SVC_HANDLER>
{
public:

  /// Constructor.
  TAO_Connect_Concurrency_Strategy (TAO_ORB_Core *orb_core);


  /// Activates the Svc_Handler, and if the right wait strategy is in
  /// use, registers the handle with the reactor.
  int activate_svc_handler (SVC_HANDLER *svc_handler,
                            void *arg);

private:

  /// Pointer to the ORB Core.
  TAO_ORB_Core *orb_core_;

};


#if defined(__ACE_INLINE__)
#include "tao/Connector_Impl.inl"
#endif /* __ACE_INLINE__ */

#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "tao/Connector_Impl.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */

#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Connector_Impl.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */

#include "ace/post.h"
#endif /*TAO_CONNECTOR_IMPL_H*/