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RocksDB for Erlang
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c_src/write_buffer_manager.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.
//
#include <memory>
#include "erl_nif.h"
namespace rocksdb {
class WriteBufferManager;
}
namespace erocksdb {
class WriteBufferManager {
protected:
static ErlNifResourceType* m_WriteBufferManager_RESOURCE;
public:
explicit WriteBufferManager(std::shared_ptr<rocksdb::WriteBufferManager> mgr);
~WriteBufferManager();
std::shared_ptr<rocksdb::WriteBufferManager> write_buffer_manager();
static void CreateWriteBufferManagerType(ErlNifEnv * Env);
static void WriteBufferManagerResourceCleanup(ErlNifEnv *Env, void * Arg);
static WriteBufferManager * CreateWriteBufferManagerResource(std::shared_ptr<rocksdb::WriteBufferManager> mgr);
static WriteBufferManager * RetrieveWriteBufferManagerResource(ErlNifEnv * Env, const ERL_NIF_TERM & term);
private:
std::shared_ptr<rocksdb::WriteBufferManager> mgr_;
};
}