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// -*- C++ -*-
//=============================================================================
/**
* @file Server_Strategy_Factory.h
*
* @author Chris Cleeland
*/
//=============================================================================
#ifndef TAO_SERVER_STRATEGY_FACTORY_H
#define TAO_SERVER_STRATEGY_FACTORY_H
#include /**/ "ace/pre.h"
#include "ace/Service_Object.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include /**/ "tao/TAO_Export.h"
#include "tao/Basic_Types.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_ORB_Core;
enum TAO_Demux_Strategy
{
TAO_LINEAR,
TAO_DYNAMIC_HASH,
TAO_ACTIVE_DEMUX,
TAO_USER_DEFINED
};
/**
* @class TAO_Server_Strategy_Factory
*
* @brief Base class for the server's abstract factory that manufactures
* various strategies of special utility to it. This simply
* serves as an interface to a subclass that REALLY gets
* specified and loaded by the Service Configurator.
*/
class TAO_Export TAO_Server_Strategy_Factory : public ACE_Service_Object
{
public:
struct Active_Object_Map_Creation_Parameters
{
/// Constructor.
Active_Object_Map_Creation_Parameters ();
/// Default size of object lookup table.
CORBA::ULong active_object_map_size_;
/// The type of lookup/demultiplexing strategy being used for user
/// id policy
TAO_Demux_Strategy object_lookup_strategy_for_user_id_policy_;
/// The type of lookup/demultiplexing strategy being used for
/// system id policy
TAO_Demux_Strategy object_lookup_strategy_for_system_id_policy_;
/// The type of reverse lookup/demultiplexing strategy being used
/// for the UNIQUE_ID policy
TAO_Demux_Strategy reverse_object_lookup_strategy_for_unique_id_policy_;
/// Flag to indicate whether the active hint should be used with
/// the IOR.
int use_active_hint_in_ids_;
/// Flag to indicate whether reactivations of servants was required
/// (under the system id policy). If not, certain resources may
/// not be required.
int allow_reactivation_of_system_ids_;
CORBA::ULong poa_map_size_;
TAO_Demux_Strategy poa_lookup_strategy_for_transient_id_policy_;
TAO_Demux_Strategy poa_lookup_strategy_for_persistent_id_policy_;
int use_active_hint_in_poa_names_;
};
/// Constructor.
TAO_Server_Strategy_Factory ();
/// Destructor.
virtual ~TAO_Server_Strategy_Factory();
/**
* Call <open> on various strategies. This is not performed in
* <init> so that the other portions of the ORB have a chance to
* "settle" in their initialization since the strategies herein
* might need some of that information.
*/
virtual int open (TAO_ORB_Core* orb_core) = 0;
/// Are server connections active (i.e. run in their own thread)
virtual int activate_server_connections () = 0;
/**
* Obtain the timeout value used by the thread-per-connection server
* threads to poll the shutdown flag in the ORB.
* Return -1 if the ORB should use the compile-time defaults.
* If the return value is zero then the threads block without
* timeouts.
*/
virtual int thread_per_connection_timeout (ACE_Time_Value &timeout) = 0;
/// The thread activation parameters
virtual int server_connection_thread_flags () = 0;
virtual int server_connection_thread_count () = 0;
/// Return the active object map creation parameters.
virtual
const Active_Object_Map_Creation_Parameters &
active_object_map_creation_parameters () const;
protected:
/// Active object map creation parameters.
Active_Object_Map_Creation_Parameters active_object_map_creation_parameters_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_SERVER_STRATEGY_FACTORY_H */
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