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#ifndef FWCore_AbstractServices_interface_RootHandlers_h
#define FWCore_AbstractServices_interface_RootHandlers_h
#include "FWCore/Utilities/interface/propagate_const.h"
namespace edm {
class EventProcessor;
class RootHandlers {
public:
enum class SeverityLevel { kInfo, kWarning, kError, kSysError, kFatal };
private:
struct WarningSentry {
WarningSentry(RootHandlers* iHandler, SeverityLevel level) : m_handler(iHandler) {
m_handler->ignoreWarnings_(level);
};
~WarningSentry() { m_handler->enableWarnings_(); }
edm::propagate_const<RootHandlers*> m_handler;
};
friend struct edm::RootHandlers::WarningSentry;
friend class edm::EventProcessor;
public:
RootHandlers() = default;
RootHandlers(RootHandlers const&) = delete;
RootHandlers& operator=(RootHandlers const&) = delete;
RootHandlers(RootHandlers&&) = delete;
RootHandlers& operator=(RootHandlers&&) = delete;
virtual ~RootHandlers() = default;
template <typename F>
void ignoreWarningsWhileDoing(F iFunc, SeverityLevel level = SeverityLevel::kWarning) {
WarningSentry sentry(this, level);
iFunc();
}
private:
virtual void willBeUsingThreads() = 0;
virtual void enableWarnings_() = 0;
virtual void ignoreWarnings_(SeverityLevel level) = 0;
};
} // end of namespace edm
#endif
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