TAO/tao/Invocation_Utils.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Invocation_Utils.h
   6  *
   7  *  @author Balachandran Natarajan <bala@dre.vanderbilt.edu>
   8  */
   9 //=============================================================================
  10
  11 #ifndef TAO_INVOCATION_UTILS_H
  12 #define TAO_INVOCATION_UTILS_H
  13 #include /**/ "ace/pre.h"
  14
  15 #include "ace/config-all.h"
  16
  17 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  18 # pragma once
  19 #endif /* ACE_LACKS_PRAGMA_ONCE */
  20
  21 #include /**/ "tao/Versioned_Namespace.h"
  22
  23 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  24
  25 namespace TAO
  26 {
  27   enum Invocation_Status
  28     {
  29       /// Initial state of the FSM in the invocation class.
  30       TAO_INVOKE_START = 0,
  31       /// The request must be restarted, a temporary failure has
  32       /// occurred.
  33       TAO_INVOKE_RESTART,
  34       /// invoke() call successful. Final state of the FSM.
  35       TAO_INVOKE_SUCCESS,
  36       /// Received a user exception from the remote object, and this
  37       /// is one of the final states.
  38       TAO_INVOKE_USER_EXCEPTION,
  39       /// Received a system exception from the remote object or the
  40       /// PI and it is one of the final states
  41       TAO_INVOKE_SYSTEM_EXCEPTION,
  42       /// Invocation failed. It is a final state.
  43       TAO_INVOKE_FAILURE
  44     };
  45
  46   /// Enums for invocation types
  47   enum Invocation_Type {
  48     /// A simple oneway invocation
  49     TAO_ONEWAY_INVOCATION,
  50     /// A simple twoway invocation
  51     TAO_TWOWAY_INVOCATION
  52   };
  53
  54   /// Enum for invocation modes
  55   enum Invocation_Mode {
  56     /// Standard synchronous twoway
  57     TAO_SYNCHRONOUS_INVOCATION,
  58     /// Asynchronous twoway with callback model for collecting the
  59     /// replies.
  60     TAO_ASYNCHRONOUS_CALLBACK_INVOCATION,
  61     /// Asynchronous twoway with poller model for collecting the
  62     /// replies.
  63     /// @note This is not supported in TAO now
  64     TAO_ASYNCHRONOUS_POLLER_INVOCATION,
  65     /// Types of DII
  66     TAO_DII_INVOCATION,
  67     TAO_DII_DEFERRED_INVOCATION,
  68     TAO_DII_ASYNCH_INVOCATION
  69   };
  70
  71   enum Forward_On_Exception
  72     {
  73       FOE_NON              = 0x0,
  74       FOE_OBJECT_NOT_EXIST = 0x1,
  75       FOE_COMM_FAILURE     = 0x2,
  76       FOE_TRANSIENT        = 0x4,
  77       FOE_INV_OBJREF       = 0x8,
  78       FOE_OBJ_ADAPTER      = 0x10,
  79       FOE_NO_RESPONSE      = 0x20,
  80       FOE_ALL              = 0xFFFFFFFF
  81     };
  82 }
  83
  84 TAO_END_VERSIONED_NAMESPACE_DECL
  85
  86 #include /**/ "ace/post.h"
  87 #endif /* TAO_INVOCATION_UTILS_H */