<?xml version="1.0"?><!-- Dispatch Resolution Optimization *   ================================ *   This optimization should be applied with the requests *   from a client are delivered to the same operation in *   an IDL interface. In general this optimization applies *   to IDL interfaces that have a single operation defined *   on them * *   @author Arvind S. Krishna <arvindk@dre.vanderbilt.edu> *   Dispatch-Resolution-Optimization.spl,v 1.1 2005/09/29 21:32:09 arvindk Exp--><transform><module name="TAO/tao"><file name="Connection_Handler.h"><!-- Include file to be added for this specialization --><add> <hook>CONNECTION_HANDLER_SPL_INCLUDE_FORWARD_DECL_ADD_HOOK</hook> <data>   class TAO_Servant_Base;   #include "tao/Abstract_Servant_Base.h" </data></add><!-- Add get and set operations to hold operation signature --><add> <hook>CONNECTION_HANDLER_SPL_PRIVATE_DATA_ADD_HOOK</hook> <data>TAO_Skeleton op_signature_;TAO_Servant_Base *servant_; </data></add><!-- Add get and set public operations for the data --><add>  <hook>CONNECTION_HANDLER_SPL_PUBLIC_METHODS_ADD_HOOK</hook>  <data>void set_op_signature (TAO_Skeleton &amp;skeleton,                       TAO_Servant_Base *&amp;servant);void get_op_signature (TAO_Skeleton &amp;operation_ptr,                       TAO_Servant_Base *&amp;servant);  </data></add></file><file name="Connection_Handler.inl"><!-- Add operations to get and set the operation signature --><add> <hook>CONNECTION_HANDLER_SPL_METHODS_ADD_HOOK</hook> <data>  ACE_INLINE void  TAO_Connection_Handler::set_op_signature (TAO_Skeleton &amp;skeleton,                                            TAO_Servant_Base *&amp;servant){  this->op_signature_ = skeleton;  this->servant_ = servant;}ACE_INLINE voidTAO_Connection_Handler::get_op_signature (TAO_Skeleton &amp;operation_ptr,                                          TAO_Servant_Base *&amp;servant){   operation_ptr = this->op_signature_;   servant = this->servant_;} </data></add></file><file name="GIOP_Message_Base.h"><add><hook>GIOP_MESSAGE_BASE_DATA_MEMBER_ADD_HOOK</hook><data>bool once__;</data></add></file><file name="GIOP_Message_Base.cpp"><add> <hook>GIOP_MESSAGE_BASE_INCLUDE_ADD_HOOK</hook> <data>#include "tao/Connection_Handler.h"</data></add><!-- Add a once__ data member to the class that will     only resolve the dispatch once --><substitute match-line="yes"> <search>TAO_DEF_GIOP_MINOR\)</search> <replace>TAO_DEF_GIOP_MINOR)          , once__ (1) </replace></substitute><!-- Comment code that resolves dispatch normally --><comment> <start-hook>TAO_DISPATCH_RESOLUTION_OPT_COMMENT_HOOK_START</start-hook> <end-hook>TAO_DISPATCH_RESOLUTION_OPT_COMMENT_HOOK_END</end-hook></comment><!-- Add the optimized path code --><add> <hook>TAO_DISPATCH_RESOLUTION_OPT_COMMENT_HOOK_END</hook> <data>  if (once__)  {    once__ = false;    // Normal path the first time    this->orb_core_->request_dispatcher ()->dispatch (      this->orb_core_,      request,      forward_to      ACE_ENV_ARG_PARAMETER);    ACE_TRY_CHECK;  }  else  {    // Dispatch directly to the skeleton    TAO_Connection_Handler *handler =      transport->connection_handler ();    TAO_Skeleton skel;    TAO_Servant_Base *skeleton_ptr;    handler->get_op_signature (skel, skeleton_ptr);    // Convert references to void *    void *upcall_ptr = 0;    skel (request,          upcall_ptr,          (void *)skeleton_ptr          ACE_ENV_ARG_PARAMETER);    if (response_required)      request.tao_send_reply ();  } </data></add></file></module><module name="TAO/tao/PortableServer"><file name="Servant_Base.cpp"><!-- Add necessary include files --><add> <hook>TAO_SERVANT_BASE_INCLUDE_ADD_HOOK</hook> <data>#include "tao/Transport.h"</data> <data>#include "tao/Connection_Handler.h"</data></add><!-- After processing the first request, set the operation signature on     the connection handler for subsequent request processing --><add> <hook>TAO_DISPATCH_RESOLUTION_OPT_ADD_HOOK</hook> <data>   TAO_Connection_Handler *handler =   req.transport ()->connection_handler ();   handler->set_op_signature (skel,                              static_cast&lt;TAO_Servant_Base *&gt; (derived_this)); </data></add></file></module></transform>