protected int GetUDTArrayTypeMappingCount(ArrayMapping arrayMapping)
{
// UDT[] where each array element is the same mapping, but represent different times
if (arrayMapping.WindowSize != 0.0M)
{
MeasurementKey[] keys;
AlignmentCoordinator.SampleWindow sampleWindow = GetSampleWindow(arrayMapping, out keys);
m_lastKeyIndex = m_keyIndex;
m_cachedMapping = GetTypeMapping(arrayMapping);
m_cachedFrames = AlignmentCoordinator.GetFrames(keys, CurrentFrameTime, sampleWindow);
return(m_cachedFrames.Count);
}
// UDT[] where each array element is the same time (relative to now), but represent different mappings
if (arrayMapping.RelativeTime != 0.0M)
{
MeasurementKey[] keys;
AlignmentCoordinator.SampleWindow sampleWindow = GetSampleWindow(arrayMapping, out keys);
CurrentFrame = AlignmentCoordinator.GetFrame(keys, CurrentFrameTime, sampleWindow);
m_cachedMappings = MappingCompiler.EnumerateTypeMappings(arrayMapping.Expression).ToArray();
return(m_cachedMappings.Length);
}
// UDT[] where each array element is the same time, but represent different mappings
m_cachedMappings = MappingCompiler.EnumerateTypeMappings(arrayMapping.Expression).ToArray();
return(m_cachedMappings.Length);
}
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));
}
protected IDictionary <MeasurementKey, IMeasurement> GetRelativeFrame(FieldMapping fieldMapping)
{
MeasurementKey[] keys = m_timeWindowKeys[m_timeWindowKeyIndex++];
AlignmentCoordinator.SampleWindow sampleWindow = CreateSampleWindow(fieldMapping);
return(AlignmentCoordinator.GetFrame(keys, CurrentFrameTime, sampleWindow));
}
