public static async Task <DeviceScopeIdentitiesCache> Create(
IServiceIdentityHierarchy serviceIdentityHierarchy,
IServiceProxy serviceProxy,
IKeyValueStore <string, string> encryptedStorage,
TimeSpan refreshRate,
TimeSpan refreshDelay,
TimeSpan initializationRefreshDelay)
{
Preconditions.CheckNotNull(serviceProxy, nameof(serviceProxy));
Preconditions.CheckNotNull(encryptedStorage, nameof(encryptedStorage));
Preconditions.CheckNotNull(serviceIdentityHierarchy, nameof(serviceIdentityHierarchy));
var identityStore = new ServiceIdentityStore(encryptedStorage);
IDictionary <string, StoredServiceIdentity> cache = await identityStore.ReadCacheFromStore(encryptedStorage, serviceIdentityHierarchy.GetActorDeviceId());
// Populate the serviceIdentityHierarchy
foreach (KeyValuePair <string, StoredServiceIdentity> kvp in cache)
{
await kvp.Value.ServiceIdentity.ForEachAsync(serviceIdentity => serviceIdentityHierarchy.AddOrUpdate(serviceIdentity));
}
var deviceScopeIdentitiesCache = new DeviceScopeIdentitiesCache(serviceIdentityHierarchy, serviceProxy, identityStore, refreshRate, refreshDelay, initializationRefreshDelay, cache.Count > 0);
Events.Created();
return(deviceScopeIdentitiesCache);
}
DeviceScopeIdentitiesCache(
IServiceIdentityHierarchy serviceIdentityHierarchy,
IServiceProxy serviceProxy,
ServiceIdentityStore identityStore,
TimeSpan periodicRefreshRate,
TimeSpan refreshDelay,
TimeSpan initializationRefreshDelay,
bool initializedFromCache)
{
this.serviceIdentityHierarchy = serviceIdentityHierarchy;
this.edgeDeviceId = serviceIdentityHierarchy.GetActorDeviceId();
this.serviceProxy = serviceProxy;
this.store = identityStore;
this.periodicRefreshRate = periodicRefreshRate;
this.refreshDelay = refreshDelay;
this.initializationRefreshDelay = initializationRefreshDelay;
this.identitiesLastRefreshTime = new Dictionary <string, DateTime>();
this.cacheLastRefreshTime = DateTime.MinValue;
this.isInitialized.Set(initializedFromCache);
// Kick off the initial refresh after we processed all the stored identities
this.refreshCacheTimer = new Timer(this.RefreshCache, null, TimeSpan.Zero, this.periodicRefreshRate);
}
