public bool TryRegisterNew(object taskCompletionSource, out TriggerReference triggerReference)
{
if (taskCompletionSource == null)
{
throw new ArgumentNullException(nameof(taskCompletionSource));
}
if (!TaskCompletionSourceAccessor.IsTaskCompletionSource(taskCompletionSource))
{
throw new ArgumentException($"Input object must be a TaskCompletionSource`1, but got {taskCompletionSource.GetType()}", nameof(taskCompletionSource));
}
var task = TaskCompletionSourceAccessor.GetTask(taskCompletionSource);
triggerReference = task.AsyncState as TriggerReference;
if (triggerReference != null)
{
return(false);
}
triggerReference = new TriggerReference
{
Id = _numericIdGenerator.NewId()
};
task.SetAsyncState(triggerReference);
return(true);
}
public IValueContainer Decompose(object value)
{
return(new TaskCompletionSourceContainer
{
Task = TaskCompletionSourceAccessor.GetTask(value)
});
}
public void AddTrigger(long id, Type valueType)
{
var taskCompletionSource = TaskCompletionSourceAccessor.Create(valueType);
lock (_triggers)
{
_triggers.Add(id, taskCompletionSource);
}
}
public void SubscribeToTrigger(long id, Action <TaskResult> action)
{
object taskCompletionSource;
lock (_triggers)
{
taskCompletionSource = _triggers[id];
}
var task = TaskCompletionSourceAccessor.GetTask(taskCompletionSource);
task.ContinueWith(t => action(t.ToTaskResult()));
}
public void ActivateTrigger(long id, TaskResult value)
{
object taskCompletionSource;
lock (_triggers)
{
taskCompletionSource = _triggers[id];
}
var task = TaskCompletionSourceAccessor.GetTask(taskCompletionSource);
task.TrySetResult(value);
}
public object Compose(IValueContainer container, Type valueType)
{
var values = (TaskCompletionSourceContainer)container;
if (values.Task == null) // must not be NULL!
{
return(TaskCompletionSourceAccessor.Create(typeof(object)));
}
var taskCompletionSource = TaskCompletionSourceAccessor.Create(values.Task);
_taskCompletionSourceRegistry.Monitor(taskCompletionSource);
return(taskCompletionSource);
}
public bool Monitor(object taskCompletionSource)
{
if (taskCompletionSource == null)
{
throw new ArgumentNullException(nameof(taskCompletionSource));
}
if (!TaskCompletionSourceAccessor.IsTaskCompletionSource(taskCompletionSource))
{
throw new ArgumentException($"Input object must be a TaskCompletionSource`1, but got {taskCompletionSource.GetType()}", nameof(taskCompletionSource));
}
var task = TaskCompletionSourceAccessor.GetTask(taskCompletionSource);
if (!(task.AsyncState is TriggerReference triggerReference))
{
return(false);
}
#warning Check if already subscribed to the completion.
task.ContinueWith(OnTaskComplete, TaskContinuationOptions.ExecuteSynchronously);
return(true);
}
