TAO: CSD_Strategy_Repository.cpp Source File

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00001 // $Id: CSD_Strategy_Repository.cpp 84443 2009-02-12 20:26:35Z johnnyw $
00002 
00003 #include "tao/CSD_Framework/CSD_Strategy_Repository.h"
00004 #include "tao/debug.h"
00005 
00006 ACE_RCSID (CSD_Framework,
00007            CSD_Strategy_Factory,
00008            "$Id: CSD_Strategy_Repository.cpp 84443 2009-02-12 20:26:35Z johnnyw $")
00009 
00010 
00011 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
00012 
00013 TAO_CSD_Strategy_Repository::TAO_CSD_Strategy_Repository()
00014 {
00015 }
00016 
00017 
00018 TAO_CSD_Strategy_Repository::~TAO_CSD_Strategy_Repository()
00019 {
00020   delete this->strategy_list_head_;
00021 }
00022 
00023 int
00024 TAO_CSD_Strategy_Repository::init(int, ACE_TCHAR **)
00025 {
00026 
00027   static int initialized = 0;
00028 
00029   // Only allow initialization once.
00030   if (initialized)
00031     return 0;
00032 
00033   initialized = 1;
00034   this->strategy_list_head_ = 0;
00035   return 0;
00036 }
00037 
00038 CSD_Framework::Strategy_ptr
00039 TAO_CSD_Strategy_Repository::find (const ACE_CString& name)
00040 {
00041 
00042   if (this->strategy_list_head_ != 0)
00043     {
00044       Strategy_Node *node = this->strategy_list_head_->find(name);
00045       if (node != 0)
00046         return CSD_Framework::Strategy::_duplicate (node->strategy_.in());
00047     }
00048 
00049   return CSD_Framework::Strategy::_nil();
00050 }
00051 
00052 
00053 int
00054 TAO_CSD_Strategy_Repository::add_strategy (const ACE_CString& name,
00055                                            CSD_Framework::Strategy_ptr strat)
00056 {
00057   Strategy_Node *node = 0;
00058   ACE_NEW_RETURN (node, Strategy_Node(name,strat),-1);
00059   if (this->strategy_list_head_ == 0)
00060     this->strategy_list_head_ = node;
00061   else
00062     this->strategy_list_head_->add_node(node);
00063 
00064   if (TAO_debug_level > 3)
00065     {
00066       ACE_DEBUG ((LM_DEBUG,
00067                   ACE_TEXT("Strategy_Repository::add_strategy for %C\n"),
00068                   name.c_str ()));
00069     }
00070   return 0;
00071 }
00072 
00073 TAO_CSD_Strategy_Repository::Strategy_Node::Strategy_Node (const ACE_CString& name,
00074                                            CSD_Framework::Strategy_ptr strat)
00075   : poa_name_(name),
00076     strategy_(CSD_Framework::Strategy::_duplicate(strat)),
00077     next_(0)
00078 {
00079 }
00080 
00081 TAO_CSD_Strategy_Repository::Strategy_Node::~Strategy_Node ()
00082 {
00083   if (this->next_)
00084     delete this->next_;
00085 }
00086 
00087 void
00088 TAO_CSD_Strategy_Repository::Strategy_Node::add_node(Strategy_Node *node)
00089 {
00090   if (this->next_)
00091     this->next_->add_node(node);
00092   else
00093     this->next_ = node;
00094 }
00095 
00096 TAO_CSD_Strategy_Repository::Strategy_Node *
00097 TAO_CSD_Strategy_Repository::Strategy_Node::find(const ACE_CString &name)
00098 {
00099   if (this->poa_name_ == name)
00100     return this;
00101   if (this->next_)
00102     return this->next_->find(name);
00103   return 0;
00104 }
00105 
00106 
00107 /////////////////////////////////////////////////////////////////////
00108 
00109 ACE_FACTORY_DEFINE (TAO_CSD_FW, TAO_CSD_Strategy_Repository)
00110 ACE_STATIC_SVC_DEFINE (TAO_CSD_Strategy_Repository,
00111                        ACE_TEXT ("TAO_CSD_Strategy_Repository"),
00112                        ACE_SVC_OBJ_T,
00113                        &ACE_SVC_NAME (TAO_CSD_Strategy_Repository),
00114                        ACE_Service_Type::DELETE_THIS
00115                        | ACE_Service_Type::DELETE_OBJ,
00116                        0)
00117 TAO_END_VERSIONED_NAMESPACE_DECL