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#ifndef DQMSERVICES_CORE_LEGACYIOHELPER_H
#define DQMSERVICES_CORE_LEGACYIOHELPER_H
#include "DQMServices/Core/interface/DQMStore.h"
#include "TROOT.h"
// This class encapsulates the TDirectory based file format used for DQMGUI
// uploads and many other use cases.
// This should be part of `DQMFileSaver`, however since DQMServices/Components
// DQMFileSaver and DQMServices/FileIO DQMFileSaverOnline both write this
// format, the code is shared here (evnetually, these modules should become one
// again).
// This code is in DQMServices/Core to also allow the legacy DQMStore::save
// interface to use this without adding another dependency.
class LegacyIOHelper {
public:
// use internal type here since we call this from the DQMStore itself.
typedef dqm::implementation::DQMStore DQMStore;
typedef dqm::legacy::MonitorElement MonitorElement;
typedef dqm::harvesting::DQMStore HarvestedDQMStore;
typedef dqm::harvesting::MonitorElement HarvestedMonitorElement;
using MEMap = std::set<HarvestedMonitorElement*>;
LegacyIOHelper(DQMStore* dqmstore) : dbe_(dqmstore) {}
LegacyIOHelper(HarvestedDQMStore* hdqmstore) : dbe_(hdqmstore) {}
// Replace or append to `filename`, a TDirectory ROOT file. If a run number
// is passed, the paths are rewritten to the "Run Summary" format used by
// DQMGUI. The run number does not affect which MEs are saved; this code only
// supports non-threaded mode. `fileupdate` is passed to ROOT unchanged.
// The run number passed in is added to the Directory structure inside the
// file ("Run xxxxxx/.../Run Summary/...") if not 0. It is only used to
// select only MEs for that run iff saveall is false, else all MEs (RUN, LUMI
// and JOB) are saved.
void save(std::string const& filename,
std::string const& path = "",
uint32_t const run = 0,
bool saveall = true,
std::string const& fileupdate = "RECREATE");
bool open(std::string const& filename, std::string const& path = "", uint32_t const run = 0);
private:
template <class T>
void getMEName(T* h, const std::string& toppath, std::string& meName) {
std::ostringstream fullpath;
fullpath << gDirectory->GetPath() << "/" << h->GetName();
std::string dirpath = fullpath.str();
// Search for the substring in string
size_t pos = dirpath.find(toppath);
if (pos != std::string::npos) {
dirpath.erase(pos, toppath.length());
}
std::string rsummary = "/Run summary";
pos = dirpath.find(rsummary);
if (pos != std::string::npos) {
dirpath.erase(pos, rsummary.length());
}
meName = dirpath;
}
bool readdir(TDirectory* dir, const std::string& toppath);
bool createDirectoryIfNeededAndCd(const std::string& path);
DQMStore* dbe_;
MEMap data_;
};
#endif
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