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#include "DataFormats/Common/interface/MergeableCounter.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <ostream>
#include <utility>
namespace edm {
bool MergeableCounter::mergeProduct(MergeableCounter const& a) {
if (a.value > 0 && value + a.value < a.value) {
edm::LogWarning("MergeableCounter|ProductsNotMergeable")
<< "The merge would lead to an overflow of the counter" << std::endl;
return false;
}
value += a.value;
return true;
}
void MergeableCounter::swap(MergeableCounter& iOther) { std::swap(value, iOther.value); }
} // namespace edm
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