/// <inheritdoc />
/// <summary>
/// Wrap the handler and redirect all exception to <see cref="IErrorLog"/>
/// </summary>
public async Task Handle(T command)
{
_log.Trace($"{command.GetType().Name}", this);
var timeline = _timeline.Id;
if (!(command is IRetroactiveCommand) && command.Timestamp == default)
{
command.Timestamp = _timeline.Now;
}
if (command.LocalId == default)
{
command.LocalId = new EventId(Configuration.ReplicaName, command.Timestamp);
}
if (command.OriginId == default)
{
command.OriginId = new EventId(Configuration.ReplicaName, command.Timestamp);
}
command.Timeline = timeline;
try
{
await _handler.Handle(command);
if (command.StoreInLog && !command.Pure)
{
await _commandLog.AppendCommand(command);
}
}
catch (Exception e)
{
_errorLog.Add(e);
// check that we didn't end up on wrong timeline
if (_timeline.Id != timeline)
{
var tException = new InvalidOperationException($"Execution started on {timeline} but ended on {_timeline.Id}");
_errorLog.Add(tException);
// throw tException;
await _branchManager.Branch(timeline);
}
await _commandLog.AddFailedCommand(command);
}
}
