RobertIndie commented on a change in pull request #48: URL: https://github.com/apache/pulsar-dotpulsar/pull/48#discussion_r498665473
########## File path: src/DotPulsar/SinglePartitionRouter.cs ########## @@ -0,0 +1,41 @@ +/* + * 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. + */ + +namespace DotPulsar +{ + using DotPulsar.Abstractions; + using DotPulsar.Internal; + using System; + + public class SinglePartitionRouter : IMessageRouter + { + private int? _partitionIndex; + public SinglePartitionRouter(int? partitionIndex = null) + { + _partitionIndex = partitionIndex; + } + public int ChoosePartition(MessageMetadata? message, PartitionedTopicMetadata partitionedTopic) + { + if (message != null && !string.IsNullOrEmpty(message.Key)) + { + return MathUtils.SignSafeMod(Murmur3_32Hash.Instance.MakeHash(message.Key!), partitionedTopic.Partitions); + } + if (_partitionIndex == null) + { + _partitionIndex = new Random().Next(0, partitionedTopic.Partitions); Review comment: The random object is created only the first time this function is called. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
