protected AlignmentCoordinator.SampleWindow GetSampleWindow(ArrayMapping arrayMapping, out MeasurementKey[] keys)
{
IEnumerable <FieldMapping> signalMappings = MappingCompiler.TraverseSignalMappings(arrayMapping);
keys = signalMappings.SelectMany(mapping => SignalLookup.GetMeasurementKeys(mapping.Expression)).ToArray();
return(CreateSampleWindow(arrayMapping));
}
private void BuildTimeWindowKeys(TypeMapping inputMapping)
{
foreach (FieldMapping fieldMapping in inputMapping.FieldMappings)
{
ArrayMapping arrayMapping = fieldMapping as ArrayMapping;
DataType fieldType = fieldMapping.Field.Type;
DataType underlyingType = (fieldType as ArrayType)?.UnderlyingType;
Action addTimeWindowKeys = () =>
{
IEnumerable <FieldMapping> signalMappings = MappingCompiler.TraverseSignalMappings(arrayMapping);
MeasurementKey[] keys = signalMappings.SelectMany(mapping => SignalLookup.GetMeasurementKeys(mapping.Expression)).ToArray();
m_timeWindowKeys.Add(keys);
};
// ReSharper disable once PossibleNullReferenceException
if (fieldType.IsArray && underlyingType.IsUserDefined && (arrayMapping.WindowSize != 0.0M || arrayMapping.RelativeTime != 0.0M))
{
addTimeWindowKeys();
}
else if (fieldType.IsArray && underlyingType.IsUserDefined)
{
m_mappingCompiler.EnumerateTypeMappings(fieldMapping.Expression).ToList().ForEach(BuildTimeWindowKeys);
}
else if (fieldType.IsUserDefined)
{
BuildTimeWindowKeys(m_mappingCompiler.GetTypeMapping(fieldMapping.Expression));
}
}
}
protected Ticks GetRelativeFrameTime(FieldMapping fieldMapping)
{
IEnumerable <FieldMapping> signalMappings = m_mappingCompiler.TraverseSignalMappings(fieldMapping);
MeasurementKey[] keys = signalMappings.SelectMany(mapping => SignalLookup.GetMeasurementKeys(mapping.Expression)).ToArray();
AlignmentCoordinator.SampleWindow sampleWindow = CreateSampleWindow(fieldMapping);
return(sampleWindow.GetTimestamps(CurrentFrameTime).FirstOrDefault());
}
protected IDictionary <MeasurementKey, IMeasurement> GetRelativeFrame(FieldMapping fieldMapping)
{
IEnumerable <FieldMapping> signalMappings = MappingCompiler.TraverseSignalMappings(fieldMapping);
MeasurementKey[] keys = signalMappings.SelectMany(mapping => SignalLookup.GetMeasurementKeys(mapping.Expression)).ToArray();
AlignmentCoordinator.SampleWindow sampleWindow = CreateSampleWindow(fieldMapping);
return(AlignmentCoordinator.GetFrame(keys, CurrentFrameTime, sampleWindow));
}
