| // 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 <boost/thread/locks.hpp> |
| #include <string> |
| |
| #include "kudu/gutil/stringprintf.h" |
| #include "kudu/util/oid_generator.h" |
| |
| namespace kudu { |
| |
| string ObjectIdGenerator::Next() { |
| boost::lock_guard<LockType> l(oid_lock_); |
| boost::uuids::uuid oid = oid_generator_(); |
| const uint8_t *uuid = oid.data; |
| return StringPrintf("%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", |
| uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7], |
| uuid[8], uuid[9], uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]); |
| } |
| |
| } // namespace kudu |
