text: /**
   *    Copyright 2016 MongoDB Inc.
   *
   *    This program is free software: you can redistribute it and/or  modify
   *    it under the terms of the GNU Affero General Public License, version 3,
   *    as published by the Free Software Foundation.
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    GNU Affero General Public License for more details.
   *
   *    You should have received a copy of the GNU Affero General Public License
   *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
   *
   *    As a special exception, the copyright holders give permission to link the
   *    code of portions of this program with the OpenSSL library under certain
   *    conditions as described in each individual source file and distribute
   *    linked combinations including the program with the OpenSSL library. You
   *    must comply with the GNU Affero General Public License in all respects for
   *    all of the code used other than as permitted herein. If you modify file(s)
   *    with this exception, you may extend this exception to your version of the
   *    file(s), but you are not obligated to do so. If you do not wish to do so,
   *    delete this exception statement from your version. If you delete this
   *    exception statement from all source files in the program, then also delete
   *    it in the license file.
   */
  
  #pragma once
  
  #include "mongo/db/op_observer.h"
  
  namespace mongo {
  
  class OpObserverImpl : public OpObserver {
      MONGO_DISALLOW_COPYING(OpObserverImpl);
  
  public:
      OpObserverImpl() = default;
      virtual ~OpObserverImpl() = default;
  
      void onCreateIndex(OperationContext* opCtx,
                         const NamespaceString& nss,
                         OptionalCollectionUUID uuid,
                         BSONObj indexDoc,
                         bool fromMigrate) override;
      void onInserts(OperationContext* opCtx,
                     const NamespaceString& nss,
                     OptionalCollectionUUID uuid,
                     std::vector<BSONObj>::const_iterator begin,
                     std::vector<BSONObj>::const_iterator end,
                     bool fromMigrate) override;
      void onUpdate(OperationContext* opCtx, const OplogUpdateEntryArgs& args) override;
      CollectionShardingState::DeleteState aboutToDelete(OperationContext* opCtx,
                                                         const NamespaceString& nss,
                                                         const BSONObj& doc) override;
      void onDelete(OperationContext* opCtx,
                    const NamespaceString& nss,
                    OptionalCollectionUUID uuid,
                    CollectionShardingState::DeleteState deleteState,
                    bool fromMigrate) override;
      void onOpMessage(OperationContext* opCtx, const BSONObj& msgObj) override;
      void onCreateCollection(OperationContext* opCtx,
                              Collection* coll,
                              const NamespaceString& collectionName,
                              const CollectionOptions& options,
                              const BSONObj& idIndex) override;
      void onCollMod(OperationContext* opCtx,
                     const NamespaceString& nss,
                     OptionalCollectionUUID uuid,
                     const BSONObj& collModCmd,
                     const CollectionOptions& oldCollOptions,
                     boost::optional<TTLCollModInfo> ttlInfo) override;
      void onDropDatabase(OperationContext* opCtx, const std::string& dbName) override;
      repl::OpTime onDropCollection(OperationContext* opCtx,
                                    const NamespaceString& collectionName,
                                    OptionalCollectionUUID uuid) override;
      void onDropIndex(OperationContext* opCtx,
                       const NamespaceString& nss,
                       OptionalCollectionUUID uuid,
                       const std::string& indexName,
                       const BSONObj& indexInfo) override;
      void onRenameCollection(OperationContext* opCtx,
                              const NamespaceString& fromCollection,
                              const NamespaceString& toCollection,
                              OptionalCollectionUUID uuid,
                              bool dropTarget,
                              OptionalCollectionUUID dropTargetUUID,
                              OptionalCollectionUUID dropSourceUUID,
                              bool stayTemp) override;
      void onApplyOps(OperationContext* opCtx,
                      const std::string& dbName,
                      const BSONObj& applyOpCmd) override;
      void onEmptyCapped(OperationContext* opCtx,
                         const NamespaceString& collectionName,
                         OptionalCollectionUUID uuid);
  };
  
  }  // namespace mongo
  