AutoLibraryLoader Class Reference

#include <AutoLibraryLoader.h>

Static Public Member Functions
static void	enable ()
	enable automatic library loading More...
static void	loadAll ()
	load all known libraries holding dictionaries More...

Private Member Functions
	AutoLibraryLoader ()
	AutoLibraryLoader (const AutoLibraryLoader &)
const AutoLibraryLoader &	operator= (const AutoLibraryLoader &)

Static Private Attributes
static bool	enabled_

Friends
class	DummyClassToStopCompilerWarning

Detailed Description

ROOT helper class which can automatically load the proper shared library when ROOT needs a new class dictionary

Author

Chris Jones, Cornell

Definition at line 14 of file AutoLibraryLoader.h.

Constructor & Destructor Documentation

AutoLibraryLoader::AutoLibraryLoader ( )

private

Definition at line 39 of file AutoLibraryLoader.cc.

{
}

AutoLibraryLoader::AutoLibraryLoader ( const AutoLibraryLoader &  )

private

Member Function Documentation

void AutoLibraryLoader::enable ( )

static

enable automatic library loading

Definition at line 49 of file AutoLibraryLoader.cc.

References dtNoiseDBValidation_cfg::cerr, edmplugin::standard::config(), edmplugin::PluginManager::configure(), dir, enabled_, end, web.browse_db::env, fwlite::setRefStreamer(), dqm_diff::start, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by CmsShowMain::CmsShowMain(), fwlite::EventContainer::EventContainer(), loadAll(), and main().

{
   if (enabled_) { return; }
   enabled_ = true;

   edmplugin::PluginManager::configure(edmplugin::standard::config());
   static BareRootProductGetter s_getter;
   //this function must be called
   // so that the TClass we need will be available
   fwlite::setRefStreamer(&s_getter);
   
   //Make it easy to load our headers
   TInterpreter* intrp= gROOT->GetInterpreter();
   const char* env = getenv("CMSSW_FWLITE_INCLUDE_PATH");
   if( 0 != env) {
     //this is a comma separated list
     const char* start = env;
     const char* end;
     do{
       //find end
       for(end=start; *end!=0 and *end != ':';++end);
       std::string dir(start, end);
       intrp->AddIncludePath(dir.c_str());
       start = end+1;
     }while(*end != 0);
   }
   
   bool foundCMSIncludes = false;
   env = getenv("CMSSW_BASE");
   if( 0 != env) {
     foundCMSIncludes = true;
     std::string dir(env);
     dir += "/src";
     intrp->AddIncludePath(dir.c_str());
   }

   env = getenv("CMSSW_RELEASE_BASE");
   if( 0 != env) {
     foundCMSIncludes = true;
     std::string dir(env);
     dir += "/src";
     intrp->AddIncludePath(dir.c_str());
   }
   if( not foundCMSIncludes) {
     std::cerr <<"Could not find the environment variables \n"
     <<"  CMSSW_BASE or\n"
     <<"  CMSSW_RELEASE_BASE\n"
     <<" therefore attempting to '#include' any CMS headers will not work"<<std::endl;
   }
   if (0 != gApplication) {
     gApplication->InitializeGraphics();
   }
}

void AutoLibraryLoader::loadAll ( )

static

load all known libraries holding dictionaries

Definition at line 104 of file AutoLibraryLoader.cc.

References enable().

{
  // std::cout <<"LoadAllDictionaries"<<std::endl;
  enable();
}

const AutoLibraryLoader& AutoLibraryLoader::operator= ( const AutoLibraryLoader &  )

private

Friends And Related Function Documentation

friend class DummyClassToStopCompilerWarning

friend

Definition at line 15 of file AutoLibraryLoader.h.

Member Data Documentation

bool AutoLibraryLoader::enabled_

staticprivate

Definition at line 24 of file AutoLibraryLoader.h.

Referenced by enable().