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#ifndef DataFormats_Provenance_BranchKey_h
#define DataFormats_Provenance_BranchKey_h
/*----------------------------------------------------------------------
BranchKey: The key used to identify a Product in the EventPrincipal. The
name of the branch to which the related data product will be written
is determined entirely from the BranchKey.
----------------------------------------------------------------------*/
#include <iosfwd>
#include <string>
#include "DataFormats/Provenance/interface/ProductDescriptionFwd.h"
namespace edm {
class BranchKey {
public:
BranchKey() : friendlyClassName_(), moduleLabel_(), productInstanceName_(), processName_() {}
BranchKey(std::string const& cn, std::string const& ml, std::string const& pin, std::string const& pn)
: friendlyClassName_(cn), moduleLabel_(ml), productInstanceName_(pin), processName_(pn) {}
explicit BranchKey(ProductDescription const& desc);
std::string const& friendlyClassName() const { return friendlyClassName_; }
std::string const& moduleLabel() const { return moduleLabel_; }
std::string const& productInstanceName() const { return productInstanceName_; }
std::string const& processName() const { return processName_; }
private:
std::string friendlyClassName_;
std::string moduleLabel_;
std::string productInstanceName_;
std::string processName_;
};
inline bool operator<(BranchKey const& a, BranchKey const& b) {
return a.friendlyClassName() < b.friendlyClassName() ? true
: a.friendlyClassName() > b.friendlyClassName() ? false
: a.moduleLabel() < b.moduleLabel() ? true
: a.moduleLabel() > b.moduleLabel() ? false
: a.productInstanceName() < b.productInstanceName() ? true
: a.productInstanceName() > b.productInstanceName() ? false
: a.processName() < b.processName() ? true
: false;
}
inline bool operator==(BranchKey const& a, BranchKey const& b) { return !(a < b || b < a); }
inline bool operator!=(BranchKey const& a, BranchKey const& b) { return !(a == b); }
std::ostream& operator<<(std::ostream& os, BranchKey const& bk);
} // namespace edm
#endif
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