private static async Task MainAsync(string[] args)
{
Setup.CreateSchemaAndEnableChangeTracking(_connectionString);
var repository = new DataRepository(_connectionString);
var changeTrackingRepository = new ChangeTrackingRepository(_connectionString);
var cancellationTokenSource = new CancellationTokenSource();
var changeTrackerTask = ChangeTracker.StartChangeTrackingMonitorLoopAsync(changeTrackingRepository, cancellationTokenSource.Token);
var exceptionContinuationTask = changeTrackerTask.ContinueWith(t => Console.WriteLine("ERROR: {0}", t.Exception), TaskContinuationOptions.OnlyOnFaulted);
await InputProcessor.StartAsync(repository);
Console.WriteLine("Shutting down...");
cancellationTokenSource.Cancel();
await Task.WhenAll(changeTrackerTask, exceptionContinuationTask);
}
internal static async Task StartChangeTrackingMonitorLoopAsync(ChangeTrackingRepository changeTrackingRepository, CancellationToken token)
{
while (true)
{
if (token.IsCancellationRequested)
{
break;
}
using (ChangeTrackingBatch <UserAccountChangeModel> userAccountChangesBatch = changeTrackingRepository.GetLatestUserChanges())
{
UserAccountChangeModel[] userAccountChanges = (await userAccountChangesBatch.GetItemsAsync()).ToArray();
if (userAccountChanges.Length > 0)
{
Console.Write($"\n\nFound {userAccountChanges.Length} User Account Changes: {JsonConvert.SerializeObject( userAccountChanges, Formatting.Indented)}\n\n");
}
userAccountChangesBatch.Commit();
}
using (ChangeTrackingBatch <ChannelChangeModel> channelChangesBatch = changeTrackingRepository.GetLatestChannelChanges())
{
ChannelChangeModel[] channelChanges = (await channelChangesBatch.GetItemsAsync()).ToArray();
if (channelChanges.Length > 0)
{
Console.Write($"\n\nFound {channelChanges.Length} Channel Changes: {JsonConvert.SerializeObject( channelChanges, Formatting.Indented)}\n\n");
}
channelChangesBatch.Commit();
}
using (ChangeTrackingBatch <MediaChangeModel> mediaChangesBatch = changeTrackingRepository.GetLatestMediaChanges())
{
MediaChangeModel[] mediaChanges = (await mediaChangesBatch.GetItemsAsync()).ToArray();
if (mediaChanges.Length > 0)
{
Console.Write($"\n\nFound {mediaChanges.Length} Media Changes: {JsonConvert.SerializeObject( mediaChanges, Formatting.Indented)}\n\n");
}
mediaChangesBatch.Commit();
}
await Task.Delay(1000);
}
}
