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[ntuple] split RNTupleOptions header
Split RNTupleOptions header in RNTupleReadOptions, RNTupleWriteOptions, and RNTupleWriteOptionsDaos.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /// \file ROOT/RNTupleReadOptions.hxx | ||
| /// \ingroup NTuple ROOT7 | ||
| /// \author Jakob Blomer <jblomer@cern.ch> | ||
| /// \date 2024-02-22 | ||
| /// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback | ||
| /// is welcome! | ||
|
|
||
| /************************************************************************* | ||
| * Copyright (C) 1995-2024, Rene Brun and Fons Rademakers. * | ||
| * All rights reserved. * | ||
| * * | ||
| * For the licensing terms see $ROOTSYS/LICENSE. * | ||
| * For the list of contributors see $ROOTSYS/README/CREDITS. * | ||
| *************************************************************************/ | ||
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| #ifndef ROOT7_RNTupleReadOptions | ||
| #define ROOT7_RNTupleReadOptions | ||
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| namespace ROOT { | ||
| namespace Experimental { | ||
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| // clang-format off | ||
| /** | ||
| \class ROOT::Experimental::RNTupleReadOptions | ||
| \ingroup NTuple | ||
| \brief Common user-tunable settings for reading ntuples | ||
| All page source classes need to support the common options. | ||
| */ | ||
| // clang-format on | ||
| class RNTupleReadOptions { | ||
| public: | ||
| enum EClusterCache { | ||
| kOff, | ||
| kOn, | ||
| kDefault = kOn, | ||
| }; | ||
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| private: | ||
| EClusterCache fClusterCache = EClusterCache::kDefault; | ||
| unsigned int fClusterBunchSize = 1; | ||
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| public: | ||
| EClusterCache GetClusterCache() const { return fClusterCache; } | ||
| void SetClusterCache(EClusterCache val) { fClusterCache = val; } | ||
| unsigned int GetClusterBunchSize() const { return fClusterBunchSize; } | ||
| void SetClusterBunchSize(unsigned int val) { fClusterBunchSize = val; } | ||
| }; | ||
|
|
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| } // namespace Experimental | ||
| } // namespace ROOT | ||
|
|
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /// \file ROOT/RNTupleWriteOptionsDaos.hxx | ||
| /// \ingroup NTuple ROOT7 | ||
| /// \author Jakob Blomer <jblomer@cern.ch> | ||
| /// \date 2024-02-22 | ||
| /// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback | ||
| /// is welcome! | ||
|
|
||
| /************************************************************************* | ||
| * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers. * | ||
| * All rights reserved. * | ||
| * * | ||
| * For the licensing terms see $ROOTSYS/LICENSE. * | ||
| * For the list of contributors see $ROOTSYS/README/CREDITS. * | ||
| *************************************************************************/ | ||
|
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| #ifndef ROOT7_RNTupleWriteOptionsDaos | ||
| #define ROOT7_RNTupleWriteOptionsDaos | ||
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| #include <ROOT/RNTupleWriteOptions.hxx> | ||
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| #include <cstdint> | ||
| #include <memory> | ||
| #include <string> | ||
| #include <utility> | ||
|
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| namespace ROOT { | ||
| namespace Experimental { | ||
|
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| // clang-format off | ||
| /** | ||
| \class ROOT::Experimental::RNTupleWriteOptionsDaos | ||
| \ingroup NTuple | ||
| \brief DAOS-specific user-tunable settings for storing ntuples | ||
| */ | ||
| // clang-format on | ||
| class RNTupleWriteOptionsDaos : public RNTupleWriteOptions { | ||
| std::string fObjectClass{"SX"}; | ||
| /// The maximum cage size is set to the equivalent of 16 uncompressed pages - 1MiB by default. Empirically, such a | ||
| /// cage size yields acceptable results in throughput and page granularity for most use cases. A `fMaxCageSize` of 0 | ||
| /// disables the caging mechanism. | ||
| uint32_t fMaxCageSize = 16 * RNTupleWriteOptions::fApproxUnzippedPageSize; | ||
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| public: | ||
| ~RNTupleWriteOptionsDaos() override = default; | ||
| std::unique_ptr<RNTupleWriteOptions> Clone() const override | ||
| { | ||
| return std::make_unique<RNTupleWriteOptionsDaos>(*this); | ||
| } | ||
|
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| const std::string &GetObjectClass() const { return fObjectClass; } | ||
| /// Set the object class used to generate OIDs that relate to user data. Any | ||
| /// `OC_xxx` constant defined in `daos_obj_class.h` may be used here without | ||
| /// the OC_ prefix. | ||
| void SetObjectClass(const std::string &val) { fObjectClass = val; } | ||
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| uint32_t GetMaxCageSize() const { return fMaxCageSize; } | ||
| /// Set the upper bound for page concatenation into cages, in bytes. It is assumed | ||
| /// that cage size will be no smaller than the approximate uncompressed page size. | ||
| /// To disable page concatenation, set this value to 0. | ||
| void SetMaxCageSize(uint32_t cageSz) { fMaxCageSize = cageSz; } | ||
| }; | ||
|
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| } // namespace Experimental | ||
| } // namespace ROOT | ||
|
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| #endif // ROOT7_RNTupleWriteOptionsDaos |
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