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RocksDB for Erlang

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rocksdb c_src sst_file_writer.h
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c_src/sst_file_writer.h 

// Copyright (c) 2018-2025 Benoit Chesneau

//

// This file is provided to you 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

//

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

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

//



#pragma once



#include <memory>



#include "erl_nif.h"



namespace rocksdb {

    class SstFileWriter;

}



namespace erocksdb {



  class SstFileWriterObject {

    protected:

      static ErlNifResourceType* m_SstFileWriter_RESOURCE;



    public:



      explicit SstFileWriterObject(std::unique_ptr<rocksdb::SstFileWriter> writer);



      ~SstFileWriterObject();



      rocksdb::SstFileWriter* writer();



      static void CreateSstFileWriterType(ErlNifEnv * Env);

      static void SstFileWriterResourceCleanup(ErlNifEnv *Env, void * Arg);



      static SstFileWriterObject * CreateSstFileWriterResource(std::unique_ptr<rocksdb::SstFileWriter> writer);

      static SstFileWriterObject * RetrieveSstFileWriterResource(ErlNifEnv * Env, const ERL_NIF_TERM & term);



    private:

      std::unique_ptr<rocksdb::SstFileWriter> writer_;

  };



  // NIF functions

  ERL_NIF_TERM SstFileWriterOpen(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterPut(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterPutEntity(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterMerge(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterDelete(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterDeleteRange(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterFinish(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM SstFileWriterFileSize(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);

  ERL_NIF_TERM ReleaseSstFileWriter(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);



}