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// -*- C++ -*-
//=============================================================================
/**
* @file DII_Invocation_Adapter.h
*
* @author Balachandran Natarajan <bala@dre.vanderbilt.edu>
*/
//=============================================================================
#ifndef TAO_DII_INVOCATION_ADAPTER_H
#define TAO_DII_INVOCATION_ADAPTER_H
#include /**/ "ace/pre.h"
#include "tao/DynamicInterface/dynamicinterface_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Invocation_Adapter.h"
#include "tao/Asynch_Reply_Dispatcher_Base.h"
#include "tao/DynamicInterface/DII_Reply_Dispatcher.h"
#include "ace/Auto_Functor.h"
#if defined (TAO_HAS_AMI)
#include "tao/Messaging/Messaging.h"
#endif /* TAO_HAS_AMI */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
class ACE_Time_Value;
ACE_END_VERSIONED_NAMESPACE_DECL
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_Operation_Details;
class TAO_Stub;
class TAO_ORB_Core;
namespace CORBA
{
class Object;
class ExceptionList;
class Request;
}
namespace TAO
{
class Argument;
class Collocation_Proxy_Broker;
struct Exception_Data;
/**
* @class DII_Invocation_Adapter
*
* @brief Generic interface for the DII invocation object visible
*/
class TAO_DynamicInterface_Export DII_Invocation_Adapter :
public Invocation_Adapter
{
public:
/// The only constructor used by the IDL compiler and only way to
/// create this adapter.
/**
*
* @param target Points to the object on which this invocation is
* being invoked.
*
* @param args Array of pointers to the argument list in the
* operation declaration. this includes the return, inout and out
* arguments.
*
* @param arg_number Number of arguments in the above array. This
* is the number of elements in the above array.
*
* @param operation The name of the operation being invoked.
*
* @param op_len Number of characters in the operation name. This
* is an optimization which helps us to avoid calling strlen ()
* while creating a message format.
*
* @param mode Invocation mode. This information is also available
* in the IDL file and in the generated code.
*/
DII_Invocation_Adapter (CORBA::Object *target,
Argument **args,
int arg_number,
const char *operation,
size_t op_len,
CORBA::ExceptionList *exception,
CORBA::Request *r,
Invocation_Mode mode = TAO_DII_INVOCATION);
virtual ~DII_Invocation_Adapter (void);
/// Invoke the target
virtual void invoke (const TAO::Exception_Data *ex, unsigned long ex_count);
protected:
virtual Invocation_Status invoke_twoway (
TAO_Operation_Details &op,
CORBA::Object_var &effective_target,
Profile_Transport_Resolver &r,
ACE_Time_Value *&max_wait_time,
Invocation_Retry_State *retry_state = 0);
virtual Invocation_Status invoke_collocated_i (
TAO_Stub *stub,
TAO_Operation_Details &details,
CORBA::Object_var &effective_target,
Collocation_Strategy strat);
private:
CORBA::ExceptionList *exception_list_;
CORBA::Request *request_;
TAO::Exception_Data *ex_data_;
private:
/// Dont allow default initializations
DII_Invocation_Adapter (void);
DII_Invocation_Adapter (const DII_Invocation_Adapter &);
DII_Invocation_Adapter & operator= (const DII_Invocation_Adapter &);
};
/**
* @class DII_Deferred_Invocation_Adapter
*
* @brief This class is for deferred DII invocation.
*/
class TAO_DynamicInterface_Export DII_Deferred_Invocation_Adapter
: public Invocation_Adapter
{
public:
DII_Deferred_Invocation_Adapter (
CORBA::Object *target,
Argument **args,
int arg_number,
const char *operation,
size_t op_len,
int collocation_opportunity,
TAO_ORB_Core *oc,
CORBA::Request *req,
TAO::Invocation_Mode mode = TAO_DII_DEFERRED_INVOCATION);
/// Invoke the target
virtual void invoke (const TAO::Exception_Data *ex, unsigned long ex_count);
protected:
virtual Invocation_Status invoke_twoway (
TAO_Operation_Details &op,
CORBA::Object_var &effective_target,
Profile_Transport_Resolver &r,
ACE_Time_Value *&max_wait_time,
Invocation_Retry_State *retry_state = 0);
virtual Invocation_Status invoke_collocated_i (
TAO_Stub *stub,
TAO_Operation_Details &details,
CORBA::Object_var &effective_target,
Collocation_Strategy strat);
private:
CORBA::Request *request_;
/// Reply dispatcher for the current Invocation.
/// Use special autopointer like holder to prevent leaking memory from
/// the reply dispatcher that we create.
ACE_Utils::Auto_Functor <TAO_DII_Deferred_Reply_Dispatcher,
ARDB_Refcount_Functor> rd_;
/// Cache the orb_core
TAO_ORB_Core * const orb_core_;
};
/**
* @class DII_Oneway_Invocation_Adapter
*
* @brief This class is for oneway DII invocation.
*/
class TAO_DynamicInterface_Export DII_Oneway_Invocation_Adapter
: public Invocation_Adapter
{
public:
DII_Oneway_Invocation_Adapter (
CORBA::Object *target,
Argument **args,
int arg_number,
const char *operation,
int op_len,
TAO::Invocation_Mode mode = TAO_SYNCHRONOUS_INVOCATION);
protected:
virtual Invocation_Status invoke_collocated_i (
TAO_Stub *stub,
TAO_Operation_Details &details,
CORBA::Object_var &effective_target,
Collocation_Strategy strat);
};
} // End namespace TAO
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /*TAO_INVOCATION_ADAPTER_H*/
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