Provenance/src/ProductProvenance.cc

0001 #include "DataFormats/Provenance/interface/ProductProvenance.h"
0002 #include "DataFormats/Provenance/interface/ParentageRegistry.h"
0003
0004 #include <cassert>
0005 #include <ostream>
0006
0007 /*----------------------------------------------------------------------
0008
0009 ----------------------------------------------------------------------*/
0010
0011 namespace {
0012   edm::Parentage const s_emptyParentage;
0013 }
0014 namespace edm {
0015   ProductProvenance::ProductProvenance() : branchID_(), parentageID_() {}
0016
0017   ProductProvenance::ProductProvenance(BranchID bid) : branchID_(bid), parentageID_() {}
0018
0019   ProductProvenance::ProductProvenance(BranchID bid, ParentageID edid)
0020       : branchID_(bid), parentageID_(std::move(edid)) {}
0021
0022   ProductProvenance::ProductProvenance(BranchID bid, std::vector<BranchID> const& parents)
0023       : branchID_(bid), parentageID_() {
0024     Parentage p;
0025     p.setParents(parents);
0026     parentageID_ = p.id();
0027     ParentageRegistry::instance()->insertMapped(p);
0028   }
0029
0030   ProductProvenance::ProductProvenance(BranchID bid, std::vector<BranchID>&& parents) : branchID_(bid), parentageID_() {
0031     Parentage p;
0032     p.setParents(std::move(parents));
0033     parentageID_ = p.id();
0034     ParentageRegistry::instance()->insertMapped(std::move(p));
0035   }
0036
0037   ProductProvenance ProductProvenance::makeProductProvenance() const { return *this; }
0038
0039   Parentage const& ProductProvenance::parentage() const {
0040     auto p = ParentageRegistry::instance()->getMapped(parentageID_);
0041     if (p) {
0042       return *p;
0043     }
0044     return s_emptyParentage;
0045   }
0046
0047   void ProductProvenance::write(std::ostream& os) const {
0048     os << "branch ID = " << branchID() << '\n';
0049     os << "entry description ID = " << parentageID() << '\n';
0050   }
0051
0052   bool operator==(ProductProvenance const& a, ProductProvenance const& b) {
0053     return a.branchID() == b.branchID() && a.parentageID() == b.parentageID();
0054   }
0055 }  // namespace edm