private async ValueTask <IAppConnection> ResolveTargetConnectionAsync(
IProvidedMethodReference methodReference,
IAppConnection source)
{
var method = _registryService.GetProvidedMethod(methodReference);
var launchMode = GetLaunchMode(method);
var appId = methodReference.ProvidedService.ApplicationId;
if (methodReference.ProvidedService.ConnectionId.HasValue)
{
var connectionId = methodReference.ProvidedService.ConnectionId.Value;
if (!_appLifecycleManager.TryGetOnlineConnection(connectionId, out var connection))
{
throw new InvalidOperationException($"The requested app {appId} connection {connectionId} is not online");
}
return(connection);
}
Task <ResolvedConnection> resolveTask;
lock (_resolveConnectionSync)
{
if (launchMode != LaunchMode.MultiInstance)
{
var onlineConnections = _appLifecycleManager
.GetOnlineConnections()
.Where(x => x.Info.ApplicationId.Equals(appId) &&
!x.Id.Equals(source.Id)).ToArray();
if (onlineConnections.Any())
{
return(onlineConnections.First());
}
}
if (launchMode == LaunchMode.None || !_appLifecycleManager.CanBeLaunched(appId))
{
throw new InvalidOperationException(
$"The requested app {appId} is not online and cannot be launched");
}
var resolveMode = ConvertToResolveMode(launchMode);
if (resolveMode == ResolveMode.SingleInstance)
{
resolveMode = ResolveMode.SingleLaunchingInstance;
}
resolveTask = _appLifecycleManager.ResolveConnectionAsync(appId, resolveMode, source.Info);
}
var resolvedConnection = await resolveTask.ConfigureAwait(false);
return(resolvedConnection.AppConnection);
}