// TODO -- use IAsyncDisposable
public async Task Stop()
{
_cancellationSource.Cancel();
_commandBlock.Complete();
await _commandBlock.Completion;
_loader.Complete();
await _loader.Completion;
_hopper.Complete();
await _hopper.Completion;
await _projectionShard.Stop();
_subscription.Dispose();
}
public async Task Stop(Exception ex = null)
{
_logger.LogInformation("Stopping projection shard '{ShardName}'", _projectionShard.Name);
_cancellationSource?.Cancel();
_commandBlock.Complete();
await _commandBlock.Completion;
_loader.Complete();
await _loader.Completion;
_hopper.Complete();
await _hopper.Completion;
try
{
await _projectionShard.Stop();
}
catch (Exception e)
{
_logger.LogError(e, "Error trying to stop shard '{ShardName}'", _projectionShard.Name);
}
_subscription.Dispose();
_fetcher.Dispose();
_subscription = null;
_fetcher = null;
_commandBlock = null;
_hopper = null;
_loader = null;
_logger.LogInformation("Stopped projection shard '{ShardName}'", _projectionShard.Name);
_tracker.Publish(new ShardState(_projectionShard.Name, Position)
{
Action = ShardAction.Stopped, Exception = null
});
}