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#ifndef DataFormats_Provenance_EventEntryDescription_h
#define DataFormats_Provenance_EventEntryDescription_h
/*----------------------------------------------------------------------
EventEntryDescription: The event dependent portion of the description of a product
and how it came into existence.
----------------------------------------------------------------------*/
#include <iosfwd>
#include <vector>
#include "DataFormats/Provenance/interface/BranchID.h"
#include "DataFormats/Provenance/interface/EntryDescriptionID.h"
/*
EventEntryDescription
definitions:
Product: The WrapperBase to which a provenance object is associated
Creator: The EDProducer that made the product.
Parents: The EDProducts used as input by the creator.
*/
namespace edm {
class EventEntryDescription {
public:
EventEntryDescription();
~EventEntryDescription() {}
// Only the 'salient attributes' are encoded into the ID.
EntryDescriptionID id() const;
void write(std::ostream& os) const;
std::vector<BranchID> const& parents() const { return parents_; }
void setParents(std::vector<BranchID> const& parents) { parents_ = parents; }
private:
// The Branch IDs of the parents
std::vector<BranchID> parents_;
Hash<ModuleDescriptionType> moduleDescriptionID_;
};
inline std::ostream& operator<<(std::ostream& os, EventEntryDescription const& p) {
p.write(os);
return os;
}
// Only the 'salient attributes' are testing in equality comparison.
bool operator==(EventEntryDescription const& a, EventEntryDescription const& b);
inline bool operator!=(EventEntryDescription const& a, EventEntryDescription const& b) { return !(a == b); }
} // namespace edm
#endif
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