milvus/cpp/src/server/DBWrapper.h
starlord 69ce92dcc5 MS-558 refine status code
Former-commit-id: ebb5ec55a58cfce4385f39d186e86d858eab1bf0
2019-09-18 12:49:29 +08:00

58 lines
1.3 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// 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 "utils/Status.h"
#include "db/DB.h"
#include <memory>
namespace zilliz {
namespace milvus {
namespace server {
class DBWrapper {
private:
DBWrapper();
~DBWrapper() = default;
public:
static DBWrapper& GetInstance() {
static DBWrapper wrapper;
return wrapper;
}
static engine::DBPtr DB() {
return GetInstance().EngineDB();
}
Status StartService();
Status StopService();
engine::DBPtr EngineDB() {
return db_;
}
private:
engine::DBPtr db_;
};
}
}
}