| // 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 "olap/rowset/unique_rowset_id_generator.h" |
| |
| namespace doris { |
| |
| UniqueRowsetIdGenerator::UniqueRowsetIdGenerator(const UniqueId& backend_uid) |
| : _backend_uid(backend_uid), _inc_id(1) {} |
| |
| UniqueRowsetIdGenerator::~UniqueRowsetIdGenerator() = default; |
| |
| RowsetId UniqueRowsetIdGenerator::next_id() { |
| RowsetId rowset_id; |
| rowset_id.init(_version, _inc_id.fetch_add(1, std::memory_order_relaxed), _backend_uid.hi, |
| _backend_uid.lo); |
| return rowset_id; |
| } |
| |
| } // namespace doris |
