YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

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// specific language governing permissions and limitations

// under the License.

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// The following only applies to changes made to this file as part of YugaByte development.

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// Portions Copyright (c) YugaByte, Inc.

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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except

// in compliance with the License.  You may obtain a copy of the License at

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// http://www.apache.org/licenses/LICENSE-2.0

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// Unless required by applicable law or agreed to in writing, software distributed under the License

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// or implied.  See the License for the specific language governing permissions and limitations

// under the License.

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#ifndef YB_MASTER_CATALOG_LOADERS_H

#define YB_MASTER_CATALOG_LOADERS_H

#include <type_traits>

#include <boost/preprocessor/cat.hpp>

#include "yb/master/master_fwd.h"

#include "yb/master/catalog_manager.h"

#include "yb/master/permissions_manager.h"

#include "yb/master/sys_catalog.h"

namespace yb {

namespace master {

#define DECLARE_LOADER_CLASS(name, key_type, entry_pb_name, mutex) \

  class BOOST_PP_CAT(name, Loader) : \

      public Visitor<BOOST_PP_CAT(BOOST_PP_CAT(Persistent, name), Info)> { \

  public: \

    explicit BOOST_PP_CAT(name, Loader)( \

        CatalogManager* catalog_manager, int64_t term = OpId::kUnknownTerm) \

        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master10RoleLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master15SysConfigLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master11TableLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master12TabletLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master15NamespaceLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master12UDTypeLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master19ClusterConfigLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

_ZN2yb6master17RedisConfigLoaderC2EPNS0_14CatalogManagerEx

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        : catalog_manager_(catalog_manager), term_(term) {} \

    \

  private: \

    CHECKED_STATUS Visit( \

        const key_type& key, \

        const entry_pb_name& metadata) override REQUIRES(mutex); \

    \

    CatalogManager *catalog_manager_; \

    \

    int64_t term_; \

    \

    DISALLOW_COPY_AND_ASSIGN(BOOST_PP_CAT(name, Loader)); \

  };

// We have two naming schemes for Sys...EntryPB classes (plural vs. singluar), hence we need the

// "entry_pb_suffix" argument to the macro.

//

// SysTablesEntryPB

// SysTabletsEntryPB

//

// vs.

//

// SysNamespaceEntryPB

// SysUDTypeEntryPB

// SysClusterConfigEntryPB

// SysRedisConfigEntryPB

// SysRoleEntryPB

// SysConfigEntryPB

// These config PBs don't have associated loaders here:

//

// SysSecurityConfigEntryPB

// SysSnapshotEntryPB

// SysYSQLCatalogConfigEntryPB

DECLARE_LOADER_CLASS(Table,         TableId,     SysTablesEntryPB,        catalog_manager_->mutex_);

DECLARE_LOADER_CLASS(Tablet,        TabletId,    SysTabletsEntryPB,       catalog_manager_->mutex_);

DECLARE_LOADER_CLASS(Namespace,     NamespaceId, SysNamespaceEntryPB,     catalog_manager_->mutex_);

DECLARE_LOADER_CLASS(UDType,        UDTypeId,    SysUDTypeEntryPB,        catalog_manager_->mutex_);

DECLARE_LOADER_CLASS(ClusterConfig, std::string, SysClusterConfigEntryPB, catalog_manager_->mutex_);

DECLARE_LOADER_CLASS(RedisConfig,   std::string, SysRedisConfigEntryPB,   catalog_manager_->mutex_);

DECLARE_LOADER_CLASS(Role,       RoleName,    SysRoleEntryPB,

    catalog_manager_->permissions_manager()->mutex());

DECLARE_LOADER_CLASS(SysConfig,     std::string, SysConfigEntryPB,

    catalog_manager_->permissions_manager()->mutex());

#undef DECLARE_LOADER_CLASS

bool ShouldLoadObject(const SysNamespaceEntryPB& metadata);

bool ShouldLoadObject(const SysTablesEntryPB& pb);

bool ShouldLoadObject(const SysTabletsEntryPB& pb);

}  // namespace master

}  // namespace yb

#endif  // YB_MASTER_CATALOG_LOADERS_H