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#include "DataFormats/Provenance/interface/ProcessHistoryRegistry.h"
#include "FWCore/Utilities/interface/EDMException.h"
#include <cassert>
namespace edm {
ProcessHistoryRegistry::ProcessHistoryRegistry() : data_(), extra_() {
// insert the mapping for an empty process history
extra_.insert(std::pair<ProcessHistoryID, ProcessHistoryID>(ProcessHistory().id(), ProcessHistory().reduce().id()));
}
bool ProcessHistoryRegistry::registerProcessHistory(ProcessHistory const& processHistory) {
//make sure the process history ID is cached
auto tmp = processHistory;
ProcessHistoryID id = tmp.setProcessHistoryID();
bool newlyAdded = (data_.find(id) == data_.end());
if (newlyAdded) {
data_.emplace(id, tmp);
extra_.emplace(std::move(id), tmp.reduce().id());
}
return newlyAdded;
}
ProcessHistoryID const& ProcessHistoryRegistry::reducedProcessHistoryID(ProcessHistoryID const& fullID) const {
auto const& iter = extra_.find(fullID);
assert(iter != extra_.end());
return iter->second;
}
bool ProcessHistoryRegistry::getMapped(ProcessHistoryID const& key, ProcessHistory& value) const {
auto const& iter = data_.find(key);
bool found = (iter != data_.end());
if (found) {
value = iter->second;
}
return found;
}
ProcessHistory const* ProcessHistoryRegistry::getMapped(ProcessHistoryID const& key) const {
auto const& iter = data_.find(key);
if (iter == data_.end()) {
return nullptr;
}
return &iter->second;
}
} // namespace edm
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