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// -*- C++ -*-
//=============================================================================
/**
* @file Client_Strategy_Factory.h
*
* @author Chris Cleeland <cleeland@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_CLIENT_STRATEGY_FACTORY_H
#define TAO_CLIENT_STRATEGY_FACTORY_H
#include /**/ "ace/pre.h"
#include /**/ "tao/TAO_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include /**/ "tao/Versioned_Namespace.h"
#include "tao/Basic_Types.h"
#include "ace/Service_Object.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
class ACE_Lock;
ACE_END_VERSIONED_NAMESPACE_DECL
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
struct Invocation_Retry_Params;
}
class TAO_Transport_Mux_Strategy;
class TAO_Wait_Strategy;
class TAO_Transport;
class TAO_ORB_Core;
class TAO_Connect_Strategy;
namespace Messaging
{
typedef ::CORBA::Short SyncScope;
}
/**
* @class TAO_Client_Strategy_Factory
*
* @brief Abstract factory used by the client to manufacture various
* strategies used on the client-side.
*/
class TAO_Export TAO_Client_Strategy_Factory : public ACE_Service_Object
{
public:
/// Destructor
virtual ~TAO_Client_Strategy_Factory ();
/// Create the correct client request muxing strategy.
virtual TAO_Transport_Mux_Strategy *create_transport_mux_strategy (TAO_Transport *transport) = 0;
/// Create the correct lock for request muxing strategy.
virtual ACE_Lock *create_transport_mux_strategy_lock () = 0;
/// Return the size of the reply dispatcher table
virtual int reply_dispatcher_table_size () const = 0;
/// Create the correct client wait_for_reply strategy.
virtual TAO_Wait_Strategy *create_wait_strategy (TAO_Transport *transport) = 0;
/// Create the correct client asynch_connect strategy.
virtual TAO_Connect_Strategy *create_connect_strategy (TAO_ORB_Core *) = 0;
enum Connect_Strategy
{
TAO_BLOCKED_CONNECT,
TAO_REACTIVE_CONNECT,
TAO_LEADER_FOLLOWER_CONNECT
};
/// Return the selected connection strategy option.
virtual Connect_Strategy connect_strategy () const = 0;
/// Does the client allow any form of callback?
virtual int allow_callback () = 0;
/// Cleanup options for wait strategy.
/**
* Only applicable to RW wait strategy
*/
virtual bool use_cleanup_options () const = 0;
/// Return the parameters used to optionally retry invocation
/// after an exception occurs.
virtual const TAO::Invocation_Retry_Params &invocation_retry_params () const = 0;
/// Return the value to be used as the default sync scope for the ORB
virtual Messaging::SyncScope sync_scope () const = 0;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_CLIENT_STRATEGY_FACTORY_H */
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