public static async Task<DiscoveryServiceCache> CreateAndSaveAsync(string userId, IDictionary<string, CapabilityDiscoveryResult> discoveryInfoForServices)
{
var cache = new DiscoveryServiceCache
{
UserId = userId,
DiscoveryInfoForServices = discoveryInfoForServices
};
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
StorageFile textFile = await localFolder.CreateFileAsync(FileName, CreationCollisionOption.ReplaceExisting);
try
{
_lock.EnterWriteLock();
using (IRandomAccessStream textStream = await textFile.OpenAsync(FileAccessMode.ReadWrite))
{
using (DataWriter textWriter = new DataWriter(textStream))
{
cache.Save(textWriter);
await textWriter.StoreAsync();
}
}
}
finally
{
_lock.ExitWriteLock();
}
return cache;
}
