protected override async Task <AcquisitionActionResult> StartRecordCore(StartRecordParameter parameters, AcquisitionActionResult result)
{
result = await base.StartRecordCore(parameters, result).ConfigureAwait(false);
if (!result.IsSuccessful)
{
return(result);
}
switch (this.AcquisitionMode)
{
case DistanceAcquisitionMode.Time:
this.RegisterObserver(
this.DataSource
.Sample(this.SavingInterval)
.Buffer(this.SavingInterval, 1)
.Select(buffer => buffer.Count > 0 ? buffer[0] : new SpeedData {
CurrentSpeed = -1, SpeedSource = SpeedActiveMode.None
})
.Subscribe(data => AddEventJournalEntry(CreateEjxJournalEntry(data))), AcquisitionStep.StopRecord);
break;
case DistanceAcquisitionMode.Distance:
this.RegisterObserver(this.DataSource
.Where(data => data.CurrentDistance != null)
.DistinctUntilChanged() // only for new values
.Subscribe(data => AddEventJournalEntry(CreateEjxJournalEntry(data))), AcquisitionStep.StopRecord);
break;
default:
throw new NotSupportedException(string.Format("Acquisition mode '{0}' is not supported.", this.AcquisitionMode));
}
return(result);
}
protected async override Task <AcquisitionActionResult> StartRecordCore(StartRecordParameter parameters, AcquisitionActionResult result)
{
result = await base.StartRecordCore(parameters, result).ConfigureAwait(false);
if (!result.IsSuccessful)
{
return(result);
}
_roadEventSequence = 0;
// we stop recording at UninitializeReocrd, not StopRecord
// to allow operators to add comments before they validate the acquisition
this.RegisterObserver(
this.DataSource.Subscribe(
data =>
{
if (data.IsJournalised)
{
AddEventJournalEntry(CreateEjxJournalEntry(data));
}
}), AcquisitionStep.UninitializeRecord);
return(result);
}
private async Task <AcquisitionActionResult> InternalStartRecord(StartRecordParameter parameters, AcquisitionActionResult result)
{
// delayed start
if (this.DeviceDistanceFromStartTriggerPoint > 0 && this.IsDependencyOperational <IDistanceAgent>())
{
await AgentBroker.Instance.ObserveAny <IDistanceAgent, DistanceData>("DataSource").Where(data => data.AbsoluteDistance >= this.DeviceDistanceFromStartTriggerPoint).Take(1).ToTask().ConfigureAwait(false);
}
result = await StartRecordCore(parameters, result).ConfigureAwait(false);
return(result);
}
protected async override Task <AcquisitionActionResult> StartRecordCore(StartRecordParameter parameters, AcquisitionActionResult result)
{
result = await base.StartRecordCore(parameters, result).ConfigureAwait(false);
if (!result.IsSuccessful)
{
return(result);
}
this.RegisterObserver(
this.DataSource
.Where((data, i) => i % this.LogGap == 0)
.Subscribe(data => LogGpsData(data)), AcquisitionStep.StopRecord);
return(result);
}
protected virtual Task <AcquisitionActionResult> StartRecordCore(StartRecordParameter parameters, AcquisitionActionResult result)
{
return(Task.FromResult(result));
}
public Task <AcquisitionActionResult> StartRecord(StartRecordParameter parameters)
{
return(MakeStateTransition(AcquisitionStep.StartRecord, this.Provider.StartRecord, parameters, InternalStartRecord));
}
