private async Task SendDataToEventHub(StationObservation[] observations)
{
EventData eventData;
using (var memoryStream = new MemoryStream())
using (var streamWriter = new StreamWriter(memoryStream))
{
JsonUtils.WriteJson(streamWriter, observations);
await streamWriter.FlushAsync();
await memoryStream.FlushAsync();
eventData = new EventData(memoryStream.ToArray());
}
await _eventHubClient.SendAsync(eventData);
}
private async Task CacheSearchAddressReverseAsync(string key, Address address)
{
if (address != null)
{
using (var stringWriter = new StringWriter())
{
JsonUtils.WriteJson(stringWriter, address);
stringWriter.Flush();
TableOperation replaceOperation = TableOperation.InsertOrMerge(
new CacheEntry(SearchAddressReversePartitionKey, key, stringWriter.GetStringBuilder().ToString()));
await _cacheCloudTable.ExecuteAsync(replaceOperation);
}
}
else
{
await AzureUtils.DeleteTableRowIfExistsAsync(_cacheCloudTable, SearchAddressReversePartitionKey, key);
}
}
public async Task <string> GenerateReferenceDataJsonAsync()
{
if (Stations.Length == 0)
{
Logger.TraceLine($"GenerateReferenceData: Stations not loaded, reference data generation skipped");
}
var instances = new List <List <TimeSeriesInstance> >();
await ProcessStationsInBatches(
async stationsBatch =>
{
var batchInstances = new List <TimeSeriesInstance>();
instances.Add(batchInstances);
batchInstances.AddRange(await ConvertStationsToTimeSeriesInstancesAsync(stationsBatch));
});
Dictionary <string, string>[] referenceDataItems =
instances.SelectMany(batch => batch)
.Select(
instance =>
{
var referenceDataItem = new Dictionary <string, string>(instance.InstanceFields);
referenceDataItem["StationId"] = (string)instance.TimeSeriesId.Single();
referenceDataItem["Name"] = instance.Name;
referenceDataItem["Description"] = instance.Description;
return(referenceDataItem);
})
.ToArray();
using (var stringWriter = new StringWriter())
{
JsonUtils.WriteJson(stringWriter, referenceDataItems);
stringWriter.Flush();
return(stringWriter.ToString());
}
}
private static void WritePutTimeSeriesInstancesRequest(TextWriter textWriter, TimeSeriesInstance[] instances)
{
JsonUtils.WriteJson(textWriter, new PutTimeSeriesInstancesRequest(instances));
}
private static void WritePutTimeSeriesHierarchiesRequest(TextWriter textWriter, TimeSeriesHierarchy[] hierarchies)
{
JsonUtils.WriteJson(textWriter, new PutTimeSeriesHierarchiesRequest(hierarchies));
}
private static void WritePutTimeSeriesTypesRequest(TextWriter textWriter, TimeSeriesType[] types)
{
JsonUtils.WriteJson(textWriter, new PutTimeSeriesTypesRequest(types));
}