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00001 #ifndef DataFormats_Provenance_EventEntryDescription_h 00002 #define DataFormats_Provenance_EventEntryDescription_h 00003 00004 /*---------------------------------------------------------------------- 00005 00006 EventEntryDescription: The event dependent portion of the description of a product 00007 and how it came into existence. 00008 00009 ----------------------------------------------------------------------*/ 00010 #include <iosfwd> 00011 #include <vector> 00012 00013 #include "DataFormats/Provenance/interface/BranchID.h" 00014 #include "DataFormats/Provenance/interface/EntryDescriptionID.h" 00015 00016 /* 00017 EventEntryDescription 00018 00019 definitions: 00020 Product: The EDProduct to which a provenance object is associated 00021 00022 Creator: The EDProducer that made the product. 00023 00024 Parents: The EDProducts used as input by the creator. 00025 */ 00026 00027 namespace edm { 00028 class EventEntryDescription { 00029 public: 00030 EventEntryDescription(); 00031 00032 ~EventEntryDescription() {} 00033 00034 // Only the 'salient attributes' are encoded into the ID. 00035 EntryDescriptionID id() const; 00036 00037 void write(std::ostream& os) const; 00038 00039 std::vector<BranchID> const& parents() const {return parents_;} 00040 std::vector<BranchID> & parents() {return parents_;} 00041 00042 private: 00043 00044 // The Branch IDs of the parents 00045 std::vector<BranchID> parents_; 00046 00047 Hash<ModuleDescriptionType> moduleDescriptionID_; 00048 }; 00049 00050 inline 00051 std::ostream& 00052 operator<<(std::ostream& os, EventEntryDescription const& p) { 00053 p.write(os); 00054 return os; 00055 } 00056 00057 // Only the 'salient attributes' are testing in equality comparison. 00058 bool operator==(EventEntryDescription const& a, EventEntryDescription const& b); 00059 inline bool operator!=(EventEntryDescription const& a, EventEntryDescription const& b) { return !(a==b); } 00060 } 00061 #endif
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