/// <inheritdoc />
public async Task <DataMeasurementDto[]> GetMeasurementValues(PathInformationDto partPath = null, MeasurementValueFilterAttributesDto filter = null, CancellationToken cancellationToken = default)
{
if (filter?.MergeAttributes?.Length > 0)
{
var featureMatrix = await GetFeatureMatrixInternal(FetchBehavior.FetchIfNotCached, cancellationToken).ConfigureAwait(false);
if (!featureMatrix.SupportsRestrictMeasurementSearchByMergeAttributes)
{
throw new OperationNotSupportedOnServerException(
"Restricting measurement search by merge attributes is not supported by this server.",
DataServiceFeatureMatrix.RestrictMeasurementSearchByMergeAttributesMinVersion,
featureMatrix.CurrentInterfaceVersion);
}
}
if (filter?.MeasurementUuids?.Length > 0)
{
return(await GetMeasurementValuesSplitByMeasurement(partPath, filter, cancellationToken).ConfigureAwait(false));
}
if (filter?.CharacteristicsUuidList?.Length > 0)
{
return(await GetMeasurementValuesSplitByCharacteristics(partPath, filter, cancellationToken).ConfigureAwait(false));
}
return(await _RestClient.Request <DataMeasurementDto[]>(RequestBuilder.CreateGet("values", CreateParameterDefinitions(partPath, filter).ToArray()), cancellationToken).ConfigureAwait(false));
}
private async Task <DataMeasurementDto[]> GetMeasurementValuesSplitByMeasurement(PathInformationDto partPath, MeasurementValueFilterAttributesDto filter, CancellationToken cancellationToken)
{
var newFilter = filter.Clone();
newFilter.MeasurementUuids = null;
var parameter = CreateParameterDefinitions(partPath, newFilter);
parameter.Add(ParameterDefinition.Create(AbstractMeasurementFilterAttributesDto.MeasurementUuidsParamName, ""));
var requestRestriction = RequestBuilder.AppendParameters("values", parameter);
var targetSize = RestClientHelper.GetUriTargetSize(ServiceLocation, requestRestriction, MaxUriLength);
var result = new List <DataMeasurementDto>(filter.MeasurementUuids.Length);
foreach (var uuids in ArrayHelper.Split(filter.MeasurementUuids, targetSize, RestClientHelper.LengthOfListElementInUri))
{
newFilter.MeasurementUuids = uuids;
if (newFilter.CharacteristicsUuidList?.Length > 0)
{
result.AddRange(await GetMeasurementValuesSplitByCharacteristics(partPath, newFilter, cancellationToken).ConfigureAwait(false));
}
else
{
result.AddRange(await _RestClient.Request <DataMeasurementDto[]>(RequestBuilder.CreateGet("values", CreateParameterDefinitions(partPath, newFilter).ToArray()), cancellationToken).ConfigureAwait(false));
}
}
return(result.ToArray());
}
private async Task <DataMeasurementDto[]> GetMeasurementValuesSplitByCharacteristics(PathInformationDto partPath, MeasurementValueFilterAttributesDto filter, CancellationToken cancellationToken)
{
var newFilter = filter.Clone();
newFilter.CharacteristicsUuidList = null;
var parameter = CreateParameterDefinitions(partPath, newFilter);
parameter.Add(ParameterDefinition.Create(MeasurementValueFilterAttributesDto.CharacteristicsUuidListParamName, ""));
var requestRestriction = RequestBuilder.AppendParameters("values", parameter);
var targetSize = RestClientHelper.GetUriTargetSize(ServiceLocation, requestRestriction, MaxUriLength);
var result = new List <DataMeasurementDto>(filter.MeasurementUuids?.Length ?? 0);
var allMeasurements = new Dictionary <Guid, DataMeasurementDto>();
foreach (var uuids in ArrayHelper.Split(filter.CharacteristicsUuidList, targetSize, RestClientHelper.LengthOfListElementInUri))
{
newFilter.CharacteristicsUuidList = uuids;
var measurements = await _RestClient.Request <DataMeasurementDto[]>(RequestBuilder.CreateGet("values", CreateParameterDefinitions(partPath, newFilter).ToArray()), cancellationToken).ConfigureAwait(false);
foreach (var measurement in measurements)
{
if (allMeasurements.TryGetValue(measurement.Uuid, out var existingMeasurement))
{
existingMeasurement.Characteristics = Combine(existingMeasurement.Characteristics, measurement.Characteristics);
}
else
{
result.Add(measurement);
allMeasurements.Add(measurement.Uuid, measurement);
}
}
}
return(result.ToArray());
}
