public UnleashServices(UnleashSettings settings, IRandom random, IUnleashApiClientFactory unleashApiClientFactory,
IUnleashScheduledTaskManager scheduledTaskManager, IToggleCollectionCache toggleCollectionCache,
IEnumerable <IStrategy> strategies)
{
this.Random = random ?? throw new ArgumentNullException(nameof(random));
this.scheduledTaskManager = scheduledTaskManager ?? throw new ArgumentNullException(nameof(scheduledTaskManager));
var settingsValidator = new UnleashSettingsValidator();
settingsValidator.Validate(settings);
StrategyMap = BuildStrategyMap(strategies?.ToArray() ?? new IStrategy[0]);
CancellationToken = cancellationTokenSource.Token;
var cachedFilesResult = toggleCollectionCache.Load(cancellationTokenSource.Token).GetAwaiter().GetResult();
cacheMiss = cachedFilesResult.IsCacheMiss;
ToggleCollection = new ThreadSafeToggleCollection
{
Instance = cachedFilesResult.InitialToggleCollection ?? new ToggleCollection()
};
MetricsBucket = new ThreadSafeMetricsBucket();
var scheduledTasks = CreateScheduledTasks(settings, unleashApiClientFactory, toggleCollectionCache, cachedFilesResult);
scheduledTaskManager.Configure(scheduledTasks, CancellationToken);
}
public FetchFeatureTogglesTask(
IUnleashApiClientFactory apiClientFactory,
ThreadSafeToggleCollection toggleCollection,
IToggleCollectionCache toggleCollectionCache,
TaskCompletionSource <object> initializationTaskCompletionSource)
{
this.apiClientFactory = apiClientFactory;
this.toggleCollection = toggleCollection;
this.toggleCollectionCache = toggleCollectionCache;
this.initializationTaskCompletionSource = initializationTaskCompletionSource;
}
private IEnumerable <IUnleashScheduledTask> CreateScheduledTasks(UnleashSettings settings,
IUnleashApiClientFactory unleashApiClientFactory, IToggleCollectionCache toggleCollectionCache,
ToggleCollectionCacheResult toggleCollectionCacheResult)
{
yield return(new FetchFeatureTogglesTask(
unleashApiClientFactory,
ToggleCollection,
toggleCollectionCache,
flagsFetchedFromUnleashTaskCompletionSource)
{
ExecuteDuringStartup = true,
Interval = settings.FetchTogglesInterval,
Etag = toggleCollectionCacheResult.InitialETag
});
if (settings.RegisterClient)
{
yield return(new ClientRegistrationBackgroundTask(
unleashApiClientFactory,
settings,
StrategyMap.Keys.ToList())
{
Interval = TimeSpan.Zero,
ExecuteDuringStartup = true
});
}
if (settings.SendMetricsInterval != null)
{
yield return(new ClientMetricsBackgroundTask(
unleashApiClientFactory,
settings,
MetricsBucket)
{
ExecuteDuringStartup = false,
Interval = settings.SendMetricsInterval.Value
});
}
}