edm::DummyProvenanceReader Class Reference

Inheritance diagram for edm::DummyProvenanceReader:

Public Member Functions
	DummyProvenanceReader ()
	~DummyProvenanceReader () override
Public Member Functions inherited from edm::ProvenanceReaderBase
	ProvenanceReaderBase ()
virtual	~ProvenanceReaderBase ()

Private Member Functions
std::set< ProductProvenance >	readProvenance (unsigned int) const override
void	readProvenanceAsync (WaitingTaskHolder task, ModuleCallingContext const *moduleCallingContext, unsigned int transitionIndex, std::atomic< const std::set< ProductProvenance > * > &writeTo) const override

Detailed Description

Definition at line 2448 of file RootFile.cc.

Constructor & Destructor Documentation

edm::DummyProvenanceReader::DummyProvenanceReader

(

)

Definition at line 2461 of file RootFile.cc.

: ProvenanceReaderBase() {}

edm::DummyProvenanceReader::~DummyProvenanceReader ( )

inlineoverride

Definition at line 2451 of file RootFile.cc.

{}

Member Function Documentation

std::set< ProductProvenance > edm::DummyProvenanceReader::readProvenance ( unsigned int  ) const

overrideprivatevirtual

Implements edm::ProvenanceReaderBase.

Definition at line 2463 of file RootFile.cc.

                                                                                    {
    // Not providing parentage!!!
    return std::set<ProductProvenance>{};
  }

void edm::DummyProvenanceReader::readProvenanceAsync ( WaitingTaskHolder  task, ModuleCallingContext const *  moduleCallingContext, unsigned int  transitionIndex, std::atomic< const std::set< ProductProvenance > * > &  writeTo  ) const

overrideprivatevirtual

Implements edm::ProvenanceReaderBase.

Definition at line 2467 of file RootFile.cc.

                                                                                                              {
    if (nullptr == writeTo.load()) {
      auto emptyProv = std::make_unique<const std::set<ProductProvenance>>();
      const std::set<ProductProvenance>* expected = nullptr;
      if (writeTo.compare_exchange_strong(expected, emptyProv.get())) {
        emptyProv.release();
      }
    }
  }