milvus/cpp/src/wrapper/ConfAdapterMgr.h
starlord 0b2bd8d5ab MS-610 Change error code base value from hex to decimal
Former-commit-id: 4b12f9998a2490a2b059514301f67883d5e730f4
2019-10-08 11:52:05 +08:00

58 lines
1.5 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 "ConfAdapter.h"
#include "VecIndex.h"
#include <functional>
#include <map>
#include <memory>
namespace milvus {
namespace engine {
class AdapterMgr {
public:
template <typename T>
struct register_t {
explicit register_t(const IndexType& key) {
AdapterMgr::GetInstance().table_.emplace(key, [] { return std::make_shared<T>(); });
}
};
static AdapterMgr&
GetInstance() {
static AdapterMgr instance;
return instance;
}
ConfAdapterPtr
GetAdapter(const IndexType& indexType);
void
RegisterAdapter();
protected:
bool init_ = false;
std::map<IndexType, std::function<ConfAdapterPtr()> > table_;
};
} // namespace engine
} // namespace milvus