/// <summary>
/// Initializes the application.
/// </summary>
public void Initialize()
{
if (State.IsInitialized)
{
throw new InvalidOperationException($"You shouldn't call {nameof(Initialize)} more than once.");
}
if (!State.IsPreInitialized)
{
throw new InvalidOperationException($"You must call {nameof(PreInitialize)} before calling '{nameof(Initialize)}'.");
}
InitializeActivity.Start();
CoreStartup.Initialize(InitializeViewServices);
Logger = GetOrCreateLogger(ServiceProvider);
OnInitialized(ServiceProvider);
InitializeActivity.Stop();
State.IsInitialized = true;
Logger.LogInformation("Initialized startup.");
}
/// <summary>
/// Pre-initializes the application.
/// This must be called as early as possible.
/// </summary>
public void PreInitialize()
{
if (State.IsPreInitialized)
{
throw new InvalidOperationException($"You shouldn't call {nameof(PreInitialize)} more than once.");
}
PreInitializeActivity.Start();
CoreStartup.PreInitialize();
PreInitializeActivity.Stop();
State.IsPreInitialized = true;
}
/// <summary>
/// Starts the application.
/// This method can be called multiple times.
/// </summary>
/// <returns><see cref="Task"/></returns>
public async Task Start()
{
if (!State.IsInitialized)
{
throw new InvalidOperationException($"You must call {nameof(Initialize)} before calling '{nameof(Start)}'.");
}
Logger.LogDebug("Starting startup.");
var isFirstLoad = !State.IsStarted;
if (isFirstLoad)
{
StartActivity.Start();
}
var coreStart = CoreStartup.Start();
var viewStart = StartViewServicesWithLogs(ServiceProvider, isFirstLoad);
await Task.WhenAll(coreStart, viewStart);
if (isFirstLoad)
{
StartActivity.Stop();
State.IsStarted = true;
}
Logger.LogInformation("Started startup.");
async Task StartViewServicesWithLogs(IServiceProvider services, bool isFirstStart)
{
Logger.LogDebug($"Starting view services (isFirstStart: {isFirstStart}).");
await StartViewServices(services, isFirstStart);
Logger.LogInformation("Started view services.");
}
}
