public async Task PreHandleAsync(TestEvent @event, CancellationToken cancellationToken = default)
{
using var tx = _session.BeginTransaction();
var process = await _session.GetAsync <TestProcessEntity>(CorrelationId, cancellationToken);
process.EventTime = _clock.UtcNow;
await _session.UpdateAsync(process, cancellationToken);
await tx.CommitAsync(cancellationToken);
_metricsService.Observe(new MultiStepBusinessProcessMetric("test_process", "event_received"), (process.EventTime - process.StartTime).TotalMilliseconds);
}
public async Task <TResult> ReceiveAsync <TResult>(IQuery <TResult> query, CancellationToken cancellationToken = default)
{
var stopWatch = new Stopwatch();
_metrics.Increment(new RequestCounterMetric(query));
_metrics.Increment(new RequestGaugeMetric("generic_request_gauge", "Current request count"));
try {
stopWatch.Start();
var result = await _next.ReceiveAsync(query, cancellationToken);
stopWatch.Stop();
_metrics.Observe(new RequestDurationMetric(query), stopWatch.ElapsedMilliseconds);
return(result);
}
catch (Exception exception) {
stopWatch.Stop();
_metrics.Increment(new RequestFailureMetric(query, exception));
throw;
}
finally {
_metrics.Decrement(new RequestGaugeMetric("generic_request_gauge", "Current request count"));
}
}
public async Task ReceiveAsync <TCommand>(TCommand command, CancellationToken cancellationToken = default) where TCommand : ICommand
{
var stopWatch = new Stopwatch();
_metrics.Increment(new RequestCounterMetric(command));
_metrics.Increment(new RequestGaugeMetric("generic_request_gauge", "Current request count"));
try {
stopWatch.Start();
await _next.ReceiveAsync(command, cancellationToken);
stopWatch.Stop();
_metrics.Observe(new RequestDurationMetric(command), stopWatch.ElapsedMilliseconds);
}
catch (Exception exception) {
stopWatch.Stop();
_metrics.Increment(new RequestFailureMetric(command, exception));
throw;
}
finally {
_metrics.Decrement(new RequestGaugeMetric("generic_request_gauge", "Current request count"));
}
}