TAO/tao/LF_Invocation_Event.cpp

   1 // -*- C++ -*-
   2 #include "tao/LF_Invocation_Event.h"
   3
   4 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
   5
   6 TAO_LF_Invocation_Event::TAO_LF_Invocation_Event ()
   7   : TAO_LF_Event ()
   8 {
   9 }
  10
  11 TAO_LF_Invocation_Event::~TAO_LF_Invocation_Event ()
  12 {
  13 }
  14
  15 void
  16 TAO_LF_Invocation_Event::state_changed_i (LFS_STATE new_state)
  17 {
  18   if (this->state_ == new_state)
  19     return;
  20
  21   // Validate the state change
  22   if (this->state_ == TAO_LF_Event::LFS_IDLE)
  23     {
  24       // From the LFS_IDLE state we can only become active.
  25       if (new_state == TAO_LF_Event::LFS_ACTIVE
  26           || new_state == TAO_LF_Event::LFS_CONNECTION_CLOSED)
  27         this->state_ = new_state;
  28       return;
  29     }
  30   else if (this->state_ == TAO_LF_Event::LFS_ACTIVE)
  31     {
  32       // From LFS_ACTIVE we can only move to a few states
  33       if (new_state != TAO_LF_Event::LFS_IDLE)
  34         {
  35           if (new_state == TAO_LF_Event::LFS_CONNECTION_CLOSED)
  36             {
  37               this->state_ = TAO_LF_Event::LFS_FAILURE;
  38             }
  39           else
  40             {
  41               this->state_ = new_state;
  42             }
  43         }
  44       return;
  45     }
  46   else if (this->state_ == TAO_LF_Event::LFS_SUCCESS
  47            || this->state_ == TAO_LF_Event::LFS_CONNECTION_CLOSED)
  48     {
  49       // From the two states above we can go back to ACTIVE, as when a
  50       // request is restarted.
  51       if (new_state == TAO_LF_Event::LFS_ACTIVE)
  52         {
  53           this->state_ = new_state;
  54         }
  55       return;
  56     }
  57   else/* if (this->state_ == TAO_LF_Event::LFS_TIMEOUT || FAILURE */
  58     {
  59       // Other states are final..
  60     }
  61
  62 }
  63
  64 bool
  65 TAO_LF_Invocation_Event::successful_i () const
  66 {
  67   return this->state_ == TAO_LF_Event::LFS_SUCCESS;
  68 }
  69
  70 bool
  71 TAO_LF_Invocation_Event::error_detected_i () const
  72 {
  73   return (this->state_ == TAO_LF_Event::LFS_FAILURE
  74           || this->state_ == TAO_LF_Event::LFS_TIMEOUT
  75           || this->state_ == TAO_LF_Event::LFS_CONNECTION_CLOSED);
  76 }
  77
  78 bool
  79 TAO_LF_Invocation_Event::is_state_final () const
  80 {
  81   if (this->state_ == TAO_LF_Event::LFS_TIMEOUT ||
  82       this->state_ == TAO_LF_Event::LFS_FAILURE)
  83     return true;
  84
  85   return false;
  86 }
  87
  88 TAO_END_VERSIONED_NAMESPACE_DECL