// 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.

#include "exprs/function/dictionary_factory.h"

#include <gen_cpp/DataSinks_types.h>

#include "runtime/memory/mem_tracker_limiter.h"

#include "runtime/thread_context.h"

namespace doris {

DictionaryFactory::DictionaryFactory()

        : _mem_tracker(MemTrackerLimiter::create_shared(MemTrackerLimiter::Type::GLOBAL,

                                                        "GLOBAL_DICT_FACTORY")) {

    SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER(_mem_tracker);

}

DictionaryFactory::~DictionaryFactory() {

    SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER(_mem_tracker);

    _dict_id_to_dict_map.clear();

    _dict_id_to_version_id_map.clear();

}

void DictionaryFactory::get_dictionary_status(std::vector<TDictionaryStatus>& result,

                                              std::vector<int64_t> dict_ids) {

    std::shared_lock lc(_mutex);

    if (dict_ids.empty()) { // empty means ALL

        for (const auto& [dict_id, dict] : _dict_id_to_dict_map) {

            TDictionaryStatus status;

            status.__set_dictionary_id(dict_id);

            status.__set_version_id(_dict_id_to_version_id_map[dict_id]);

            status.__set_dictionary_memory_size(dict->allocated_bytes());

            result.emplace_back(std::move(status));

        }

    } else {

        for (auto dict_id : dict_ids) {

            if (_dict_id_to_dict_map.contains(dict_id)) {

                TDictionaryStatus status;

                status.__set_dictionary_id(dict_id);

                status.__set_version_id(_dict_id_to_version_id_map[dict_id]);

                status.__set_dictionary_memory_size(

                        _dict_id_to_dict_map[dict_id]->allocated_bytes());

                result.emplace_back(std::move(status));

            }

        }

    }

}

} // namespace doris