Inheritance diagram for edm::root::FWLiteDelayedReader:

Public Member Functions
	FWLiteDelayedReader ()

void	set (boost::shared_ptr< ProductRegistry const > iReg)

void	setEntry (Long64_t iEntry)

void	setTree (TTree *iTree)

Public Member Functions inherited from edm::DelayedReader
WrapperOwningHolder	getProduct (BranchKey const &k, WrapperInterfaceBase const interface, EDProductGetter const ep)

void	mergeReaders (DelayedReader *other)

void	reset ()

virtual	~DelayedReader ()

Private Member Functions
	boost::shared_ptr (reg_)

virtual WrapperOwningHolder	getProduct_ (BranchKey const &k, WrapperInterfaceBase const interface, EDProductGetter const ep) const

virtual std::auto_ptr < EventEntryDescription >	getProvenance_ (BranchKey const &) const

virtual void	mergeReaders_ (DelayedReader *)

virtual void	reset_ ()

Private Attributes
Long64_t	entry_

TTree *	eventTree_

Detailed Description

Definition at line 57 of file TFWLiteSelectorBasic.cc.

Constructor & Destructor Documentation

edm::root::FWLiteDelayedReader::FWLiteDelayedReader ( )

inline

Definition at line 59 of file TFWLiteSelectorBasic.cc.

59 : entry_(-1), eventTree_(0), reg_() {}

edm::root::FWLiteDelayedReader::eventTree_

TTree * eventTree_

Definition: TFWLiteSelectorBasic.cc:71

edm::root::FWLiteDelayedReader::entry_

Long64_t entry_

Definition: TFWLiteSelectorBasic.cc:70

Member Function Documentation

edm::root::FWLiteDelayedReader::boost::shared_ptr ( reg_ )

private

WrapperOwningHolder edm::root::FWLiteDelayedReader::getProduct_	(	BranchKey const &	k,
		WrapperInterfaceBase const *	interface,
		EDProductGetter const *	ep
	)		const

privatevirtual

Implements edm::DelayedReader.

Definition at line 76 of file TFWLiteSelectorBasic.cc.

References edm::BranchDescription::branchName(), edm::BranchDescription::className(), entry_, eventTree_, edm::hlt::Exception, newFWLiteAna::fullName, edm::BranchDescription::getInterface(), gen::k, edm::errors::ProductNotFound, and edm::wrappedClassName().

                                                                                                                       {
       ProductRegistry::ProductList::const_iterator itFind= reg_->productList().find(k);
       if(itFind == reg_->productList().end()) {
         throw Exception(errors::ProductNotFound) << "could not find entry for product " << k;
       }
       BranchDescription const& bDesc = itFind->second;
 
       TBranch* branch= eventTree_->GetBranch(bDesc.branchName().c_str());
       if(0 == branch) {
         throw cms::Exception("MissingBranch")
         << "could not find branch named '" << bDesc.branchName() << "'"
         << "\n Perhaps the data being requested was not saved in this file?";
       }
       //find the class type
       std::string const fullName = wrappedClassName(bDesc.className());
       Reflex::Type classType = Reflex::Type::ByName(fullName);
       if(classType == Reflex::Type()) {
         throw cms::Exception("MissingDictionary")
         << "could not find dictionary for type '" << fullName << "'"
         << "\n Please make sure all the necessary libraries are available.";
       }
 
       //use reflex to create an instance of it
       Reflex::Object wrapperObj = classType.Construct();
       if(0 == wrapperObj.Address()) {
         throw cms::Exception("FailedToCreate") << "could not create an instance of '" << fullName << "'";
       }
       void* address  = wrapperObj.Address();
       branch->SetAddress(&address);
 
 
       branch->GetEntry(entry_);
       return WrapperOwningHolder(address, bDesc.getInterface());
     }

virtual std::auto_ptr<EventEntryDescription> edm::root::FWLiteDelayedReader::getProvenance_ ( BranchKey const & ) const

inlineprivatevirtual

Definition at line 65 of file TFWLiteSelectorBasic.cc.

                                                                                         {
         return std::auto_ptr<EventEntryDescription>();
       }