| /* |
| * 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.Internal |
| { |
| using Abstractions; |
| using PulsarApi; |
| using System; |
| using System.Threading; |
| using System.Threading.Tasks; |
| |
| public sealed class ProducerChannelFactory : IProducerChannelFactory |
| { |
| private readonly Guid _correlationId; |
| private readonly IRegisterEvent _eventRegister; |
| private readonly IConnectionPool _connectionPool; |
| private readonly IExecute _executor; |
| private readonly CommandProducer _commandProducer; |
| |
| public ProducerChannelFactory( |
| Guid correlationId, |
| IRegisterEvent eventRegister, |
| IConnectionPool connectionPool, |
| IExecute executor, |
| ProducerOptions options) |
| { |
| _correlationId = correlationId; |
| _eventRegister = eventRegister; |
| _connectionPool = connectionPool; |
| _executor = executor; |
| |
| _commandProducer = new CommandProducer |
| { |
| ProducerName = options.ProducerName, |
| Topic = options.Topic |
| }; |
| } |
| |
| public async Task<IProducerChannel> Create(CancellationToken cancellationToken) |
| => await _executor.Execute(() => GetChannel(cancellationToken), cancellationToken).ConfigureAwait(false); |
| |
| private async ValueTask<IProducerChannel> GetChannel(CancellationToken cancellationToken) |
| { |
| var connection = await _connectionPool.FindConnectionForTopic(_commandProducer.Topic, cancellationToken).ConfigureAwait(false); |
| var channel = new Channel(_correlationId, _eventRegister, new AsyncQueue<MessagePackage>()); |
| var response = await connection.Send(_commandProducer, channel, cancellationToken).ConfigureAwait(false); |
| return new ProducerChannel(response.ProducerId, response.ProducerName, connection); |
| } |
| } |
| } |