1/**
2 * Copyright 2021 Alibaba, Inc. and its affiliates. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 * \author guonix
17 * \date Oct 2020
18 * \brief
19 */
20
21#pragma once
22
23#include <ailego/pattern/factory.h>
24#include <ailego/pattern/singleton.h>
25#include "meta_store.h"
26
27namespace proxima {
28namespace be {
29namespace meta {
30
31/*!
32 * MetaStoreFactory in charging create meta store object
33 */
34class MetaStoreFactory : public ailego::Singleton<MetaStoreFactory> {
35 public:
36 //! Alias for Cache & CacheIter
37 using Cache = std::map<std::string, MetaStorePtr>;
38 using CacheIter = Cache::iterator;
39
40 public:
41 //! Return singleton MateStore instance
42 MetaStorePtr create(const char *name, const ailego::Uri *uri);
43
44 private:
45 //! Meta store cache
46 Cache store_cache_{};
47};
48
49
50//! Register MetaStore
51#define META_FACTORY_REGISTER_INSTANCE_ALIAS(__NAME__, __IMPL__, ...) \
52 AILEGO_FACTORY_REGISTER(__NAME__, MetaStore, __IMPL__, ##__VA_ARGS__)
53
54
55} // namespace meta
56} // namespace be
57} // namespace proxima
58