TAO/tao/CSD_Framework/CSD_Strategy_Repository.cpp

   1 // -*- C++ -*-
   2 #include "tao/CSD_Framework/CSD_Strategy_Repository.h"
   3 #include "tao/debug.h"
   4
   5 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
   6
   7 TAO_CSD_Strategy_Repository::TAO_CSD_Strategy_Repository() :
   8   strategy_list_head_ (0)
   9 {
  10 }
  11
  12
  13 TAO_CSD_Strategy_Repository::~TAO_CSD_Strategy_Repository()
  14 {
  15   delete this->strategy_list_head_;
  16 }
  17
  18 int
  19 TAO_CSD_Strategy_Repository::init(int, ACE_TCHAR **)
  20 {
  21   static int initialized = 0;
  22
  23   // Only allow initialization once.
  24   if (initialized)
  25     return 0;
  26
  27   initialized = 1;
  28   this->strategy_list_head_ = 0;
  29   return 0;
  30 }
  31
  32 CSD_Framework::Strategy_ptr
  33 TAO_CSD_Strategy_Repository::find (const ACE_CString& name)
  34 {
  35   if (this->strategy_list_head_ != 0)
  36     {
  37       Strategy_Node *node = this->strategy_list_head_->find(name);
  38       if (node != 0)
  39         return CSD_Framework::Strategy::_duplicate (node->strategy_.in());
  40     }
  41
  42   return CSD_Framework::Strategy::_nil();
  43 }
  44
  45
  46 int
  47 TAO_CSD_Strategy_Repository::add_strategy (const ACE_CString& name,
  48                                            CSD_Framework::Strategy_ptr strat)
  49 {
  50   Strategy_Node *node = 0;
  51   ACE_NEW_RETURN (node, Strategy_Node(name,strat),-1);
  52   if (this->strategy_list_head_ == 0)
  53     this->strategy_list_head_ = node;
  54   else
  55     this->strategy_list_head_->add_node(node);
  56
  57   if (TAO_debug_level > 3)
  58     {
  59       TAOLIB_DEBUG ((LM_DEBUG,
  60                   ACE_TEXT("Strategy_Repository::add_strategy for %C\n"),
  61                   name.c_str ()));
  62     }
  63   return 0;
  64 }
  65
  66 TAO_CSD_Strategy_Repository::Strategy_Node::Strategy_Node (const ACE_CString& name,
  67                                            CSD_Framework::Strategy_ptr strat)
  68   : poa_name_(name),
  69     strategy_(CSD_Framework::Strategy::_duplicate(strat)),
  70     next_(0)
  71 {
  72 }
  73
  74 TAO_CSD_Strategy_Repository::Strategy_Node::~Strategy_Node ()
  75 {
  76   if (this->next_)
  77     delete this->next_;
  78 }
  79
  80 void
  81 TAO_CSD_Strategy_Repository::Strategy_Node::add_node(Strategy_Node *node)
  82 {
  83   if (this->next_)
  84     this->next_->add_node(node);
  85   else
  86     this->next_ = node;
  87 }
  88
  89 TAO_CSD_Strategy_Repository::Strategy_Node *
  90 TAO_CSD_Strategy_Repository::Strategy_Node::find(const ACE_CString &name)
  91 {
  92   if (this->poa_name_ == name)
  93     return this;
  94   if (this->next_)
  95     return this->next_->find(name);
  96   return 0;
  97 }
  98
  99
 100 /////////////////////////////////////////////////////////////////////
 101
 102 ACE_FACTORY_DEFINE (TAO_CSD_FW, TAO_CSD_Strategy_Repository)
 103 ACE_STATIC_SVC_DEFINE (TAO_CSD_Strategy_Repository,
 104                        ACE_TEXT ("TAO_CSD_Strategy_Repository"),
 105                        ACE_SVC_OBJ_T,
 106                        &ACE_SVC_NAME (TAO_CSD_Strategy_Repository),
 107                        ACE_Service_Type::DELETE_THIS
 108                        | ACE_Service_Type::DELETE_OBJ,
 109                        0)
 110 TAO_END_VERSIONED_NAMESPACE_DECL