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/*
* 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 DotPulsar.Abstractions;
using DotPulsar.Exceptions;
public sealed class ProducerBuilder<TMessage> : IProducerBuilder<TMessage>
{
private readonly IPulsarClient _pulsarClient;
private readonly ISchema<TMessage> _schema;
private string? _producerName;
private CompressionType _compressionType;
private ulong _initialSequenceId;
private string? _topic;
private IHandleStateChanged<ProducerStateChanged>? _stateChangedHandler;
private IMessageRouter? _messageRouter;
public ProducerBuilder(IPulsarClient pulsarClient, ISchema<TMessage> schema)
{
_pulsarClient = pulsarClient;
_schema = schema;
_compressionType = ProducerOptions<TMessage>.DefaultCompressionType;
_initialSequenceId = ProducerOptions<TMessage>.DefaultInitialSequenceId;
}
public IProducerBuilder<TMessage> CompressionType(CompressionType compressionType)
{
_compressionType = compressionType;
return this;
}
public IProducerBuilder<TMessage> InitialSequenceId(ulong initialSequenceId)
{
_initialSequenceId = initialSequenceId;
return this;
}
public IProducerBuilder<TMessage> ProducerName(string name)
{
_producerName = name;
return this;
}
public IProducerBuilder<TMessage> StateChangedHandler(IHandleStateChanged<ProducerStateChanged> handler)
{
_stateChangedHandler = handler;
return this;
}
public IProducerBuilder<TMessage> Topic(string topic)
{
_topic = topic;
return this;
}
public IProducerBuilder<TMessage> MessageRouter(IMessageRouter messageRouter)
{
_messageRouter = messageRouter;
return this;
}
public IProducer<TMessage> Create()
{
if (string.IsNullOrEmpty(_topic))
throw new ConfigurationException("ProducerOptions.Topic may not be null or empty");
var options = new ProducerOptions<TMessage>(_topic!, _schema)
{
CompressionType = _compressionType,
InitialSequenceId = _initialSequenceId,
ProducerName = _producerName,
StateChangedHandler = _stateChangedHandler
};
if (_messageRouter != null) options.MessageRouter = _messageRouter;
return _pulsarClient.CreateProducer<TMessage>(options);
}
}
}