private void PrepareTopic(IAdminClient adminClient, string topic)
{
var metadata = adminClient.GetMetadata(topic, TimeSpan.FromSeconds(20));
var partitionCount = metadata.Topics.First().Partitions.Count;
if (partitionCount == 0)
{
adminClient.CreateTopicsAsync(new[]
{
new TopicSpecification
{
NumPartitions = _options.TopicPartitionCount, Name = topic, ReplicationFactor = 1
}
}).GetAwaiter().GetResult();
}
else
{
if (partitionCount < _options.TopicPartitionCount)
{
adminClient.CreatePartitionsAsync(new[]
{
new PartitionsSpecification
{
Topic = topic, IncreaseTo = _options.TopicPartitionCount
}
}).GetAwaiter().GetResult();
}
}
}
public async Task ChangePartitionCountAsync(string topic, int partitionCount) =>
await _innerClient.CreatePartitionsAsync(new[]
{
new PartitionsSpecification
{
Topic = topic,
IncreaseTo = partitionCount
}
});