Provenance/interface/ProductProvenance.h

0001 #ifndef DataFormats_Provenance_ProductProvenance_h
0002 #define DataFormats_Provenance_ProductProvenance_h
0003
0004 /*----------------------------------------------------------------------
0005
0006 ProductProvenance: The event dependent portion of the description of a product
0007 and how it came into existence.
0008
0009 ----------------------------------------------------------------------*/
0010 #include "DataFormats/Provenance/interface/BranchID.h"
0011 #include "DataFormats/Provenance/interface/ParentageID.h"
0012 #include "DataFormats/Provenance/interface/ProvenanceFwd.h"
0013
0014 #include <memory>
0015
0016 #include <iosfwd>
0017 #include <vector>
0018
0019 /*
0020   ProductProvenance
0021 */
0022
0023 namespace edm {
0024   class ProductProvenance {
0025   public:
0026     ProductProvenance();
0027     explicit ProductProvenance(BranchID bid);
0028     ProductProvenance(BranchID bid, ParentageID id);
0029
0030     ProductProvenance(BranchID bid, std::vector<BranchID> const& parents);
0031
0032     ProductProvenance(BranchID bid, std::vector<BranchID>&& parents);
0033
0034     ProductProvenance makeProductProvenance() const;
0035
0036     void write(std::ostream& os) const;
0037
0038     BranchID const& branchID() const { return branchID_; }
0039     ParentageID const& parentageID() const { return parentageID_; }
0040     Parentage const& parentage() const;
0041
0042     void set(ParentageID const& id) { parentageID_ = id; }
0043
0044   private:
0045     BranchID branchID_;
0046     ParentageID parentageID_;
0047   };
0048
0049   inline bool operator<(ProductProvenance const& a, ProductProvenance const& b) { return a.branchID() < b.branchID(); }
0050
0051   inline std::ostream& operator<<(std::ostream& os, ProductProvenance const& p) {
0052     p.write(os);
0053     return os;
0054   }
0055
0056   // Only the 'salient attributes' are testing in equality comparison.
0057   bool operator==(ProductProvenance const& a, ProductProvenance const& b);
0058   inline bool operator!=(ProductProvenance const& a, ProductProvenance const& b) { return !(a == b); }
0059   typedef std::vector<ProductProvenance> ProductProvenanceVector;
0060 }  // namespace edm
0061 #endif