| // Copyright 2012 Cloudera, Inc. |
| // |
| // Licensed 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 |
