public async Task Subscribe(AlgorithmId algorithmId, ResultSubscriptionType resultSubscriptionType)
{
if (_subscriptions.TryGetValue(algorithmId, out ResultSubscriptionType newSubscription))
{
// This is an existing subscription. Add requested data
newSubscription &= resultSubscriptionType;
}
else
{
// This is a new subscription.
newSubscription = resultSubscriptionType;
// When subscribed, we expect the user wants to see data fast.
// Therefore, we get data from cache, send it, and immediately refresh from the server
// After subscribing, the polling mechanism will update data further.
var result = await _cache.GetObject <AlgorithmResult>(algorithmId.DeployId);
if (result != null)
{
OnAlgorithmResultUpdated(new AlgorithmResultEventArgs(result));
}
}
// Save the subscription
_subscriptions[algorithmId] = newSubscription;
}
private async Task PollAlgorithm(AlgorithmId algorithmId, ResultSubscriptionType subscription)
{
if (subscription == 0)
{
throw new ArgumentOutOfRangeException(nameof(subscription), "No data has been subscribed");
}
var result = await _cache.GetOrCreateObject(algorithmId.DeployId, () => new AlgorithmResult
{
AlgorithmId = algorithmId,
});
// Check whether we need to update live results
if ((subscription & ResultSubscriptionType.LiveResults) != 0)
{
try
{
var remoteLiveAlgorithmResults = await _apiService.Api.GetLiveAlgorithmResultsAsync(algorithmId.ProjectId, algorithmId.DeployId);
_apiResultParser.ProcessLiveResult(result, remoteLiveAlgorithmResults);
}
catch (Exception ex)
{
// TODO: Log
}
}
// Check whether we need to update the log
if ((subscription & ResultSubscriptionType.Log) != 0)
{
try
{
// var logResults = await _apiService.Api.GetLiveAlgorithmLogs(algorithmId.ProjectId, algorithmId.DeployId);
// _apiResultParser.ProcessLogResult(result, logResults);
}
catch
{
// TODO: Log
}
}
// Fire the result event
OnAlgorithmResultUpdated(new AlgorithmResultEventArgs(result));
// Cache the result
await _cache.InsertObject(algorithmId.DeployId, result);
}
public void Subscribe(AlgorithmId algorithmId, ResultSubscriptionType resultSubscriptionType) => _algorithmResultProvider.Subscribe(algorithmId, resultSubscriptionType);
