|
public Resolve ( object value = null ) : |
||
| value | object | The result of the task. |
| Результат | ||
public void TaskAllMethodCombinesTasksInParallel()
{
const int taskCount = 10;
const int taskTime = 500; //ms
const float tolerance = 50; //ms
const int testLimit = 600; //ms
UnityTask[] tasks = new UnityTask[taskCount];
List<Thread> threads = new List<Thread>(taskCount);
for (int i = 0; i < taskCount; i++)
{
UnityTask task = new UnityTask();
tasks[i] = task;
Thread thread = new Thread( () =>
{
try
{
Thread.Sleep(taskTime);
task.Resolve();
}
catch (Exception e)
{
task.Reject(e);
}
});
thread.Start();
threads.Add(thread);
}
DateTime startTime = DateTime.Now;
object result = UnityTask.All(tasks).Result; // Result blocks until finished
TimeSpan totalTime = DateTime.Now - startTime;
Assert.AreEqual(totalTime.TotalMilliseconds, (float) taskTime, tolerance);
}
/// <summary>
/// Combines multiple tasks of the same type into one callback and runs them simultaneously. On failure the failure callback is called immediately
/// and the result of the other tasks is discarded.
/// </summary>
/// <param name="tasks">A series of tasks to execute in paralell</param>
public static UnityTask <T[]> All(params UnityTask <T>[] tasks)
{
// Cast the tasks down to the non generic version for code reuse
UnityTask[] nonGenericTasks = tasks.Cast <UnityTask>().ToArray();
// Call non generic version of All
UnityTask combinedTask = UnityTask.All(nonGenericTasks);
UnityTask <T[]> outputTask = new UnityTask <T[]>();
// Funnel the non generic task into a generic one
combinedTask.Then(
onFulfilled: o => outputTask.Resolve((T)o),
onFailure: ex => outputTask.Resolve(ex)
);
return(outputTask);
}
public void TaskAllSequentialMethodCombinesTasksSequentially()
{
const int taskCount = 10;
const int taskTime = 50; //ms
const float tolerance = 50; //ms
int tasksExecuted = 0;
int accessCounter = 0;
Func<UnityTask>[] tasks = new Func<UnityTask>[taskCount];
List<Thread> threads = new List<Thread>(taskCount);
for (int i = 0; i < taskCount; i++)
{
int i_ = i; // Copy i for lambdas
UnityTask task = new UnityTask();
Thread thread = new Thread( (object count) =>
{
try
{
int count_ = (int)count;
Assert.AreEqual(accessCounter, 0, "Two tasks are executing simulaniously");
accessCounter++;
Assert.AreEqual(tasksExecuted, count_, "Tasks executed should be equal to the current index");
Thread.Sleep(taskTime);
Assert.AreEqual(tasksExecuted, count_, "Tasks executed should be equal to the current index");
tasksExecuted++;
accessCounter--;
task.Resolve();
}
catch (Exception e)
{
task.Reject(e);
}
});
tasks[i_] = () => { thread.Start(i_); return task; };
threads.Add(thread);
}
DateTime startTime = DateTime.Now;
object result = UnityTask.AllSequential(tasks).Result; // Result blocks until finished
TimeSpan totalTime = DateTime.Now - startTime;
Assert.AreEqual((float) taskTime * taskCount, totalTime.TotalMilliseconds , tolerance);
}
/// <summary>
/// Combines multiple tasks of the same type into one callback and runs them sequentially. On failure the failure callback is called immediately
/// and the result of the other tasks is discarded.
/// </summary>
/// <param name="tasks">A series of tasks to execute in sequential orders</param>
private static UnityTask AllSequential(IDispatcher dispatcher, params Func <UnityTask>[] tasks)
{
if (tasks == null || tasks.Length == 0)
{
return(new UnityTask(dispatcher).Resolve());
}
UnityTask combinedTask = new UnityTask(dispatcher);
List <Action> sequentialActions = new List <Action>();
int activeTaskCount = tasks.Length;
object[] taskResults = new object[activeTaskCount];
for (int i = 0; i < tasks.Length; i++)
{
int taskCount = i;
sequentialActions.Add(() =>
{
UnityTask task = tasks[taskCount]();
task.Then(
onFulfilled: (object result) =>
{
taskResults[taskCount] = result;
if (taskCount == sequentialActions.Count - 1)
{
// Last task
combinedTask.Resolve(taskResults);
}
else
{
sequentialActions[taskCount + 1]();
}
},
onFailure: (Exception e) =>
{
combinedTask.Reject(e);
}
);
});
}
sequentialActions[0]();
return(combinedTask);
}
/// <summary>
/// Combines multiple tasks of the same type into one callback and runs them simultaneously. On failure the failure callback is called immediately
/// and the result of the other tasks is discarded.
/// </summary>
/// <param name="tasks">A series of tasks to execute in parallel</param>
private static UnityTask All(IDispatcher dispatcher, params UnityTask[] tasks)
{
if (tasks == null || tasks.Length == 0)
{
return(new UnityTask(dispatcher).Resolve());
}
UnityTask combinedTask = new UnityTask(dispatcher);
int activeTaskCount = tasks.Length;
object[] taskResults = new object[activeTaskCount];
bool tasksSucceeding = true;
for (int i = 0; i < tasks.Length; i++)
{
UnityTask task = tasks[i];
int taskCount = i;
task.Then(
onFulfilled: (object result) =>
{
if (!tasksSucceeding)
{
return;
}
taskResults[taskCount] = result;
activeTaskCount--;
if (activeTaskCount == 0)
{
combinedTask.Resolve(taskResults);
}
},
onFailure: (Exception ex) =>
{
// Only reject the task the first time
if (tasksSucceeding)
{
combinedTask.Reject(ex); // Bail if one of the task errors out
}
tasksSucceeding = false;
}
);
}
return(combinedTask);
}
public void TaskDoesResolve()
{
object value = null;
object targetValue = new object();
UnityTask t = new UnityTask();
t.Then((o) => value = o);
t.Resolve(targetValue);
Assert.That(value == targetValue);
}
public void TaskDoesEndOnResolveAndReject()
{
bool value = false;
bool targetValue = true;
UnityTask t = new UnityTask();
t.Then(onEnd: () => value = targetValue);
t.Resolve(null);
Assert.AreEqual(value, targetValue);
value = false;
t = new UnityTask();
t.Then(onEnd: () => value = targetValue);
t.Reject(null);
Assert.AreEqual(value, targetValue);
value = false;
t = new UnityTask();
t.Then(onEnd: () => value = targetValue);
t.Notify(0f);
Assert.AreNotEqual(value, targetValue);
}
public void TaskCanOnlyResolveOnce()
{
UnityTask t = new UnityTask();
t.Then((o) => Console.WriteLine("Task Fulfilled"));
t.Resolve();
t.Resolve();
}
/// <summary>
/// Combines multiple tasks of the same type into one callback and runs them sequentially. On failure the failure callback is called immediately
/// and the result of the other tasks is discarded.
/// </summary>
/// <param name="tasks">A series of tasks to execute in sequential orders</param>
private static UnityTask AllSequential(IDispatcher dispatcher, params Func<UnityTask>[] tasks)
{
if (tasks == null || tasks.Length == 0)
{
return new UnityTask(dispatcher).Resolve();
}
UnityTask combinedTask = new UnityTask(dispatcher);
List<Action> sequentialActions = new List<Action>();
int activeTaskCount = tasks.Length;
object[] taskResults = new object[activeTaskCount];
for (int i = 0; i < tasks.Length; i++)
{
int taskCount = i;
sequentialActions.Add(() =>
{
UnityTask task = tasks[taskCount]();
task.Then(
onFulfilled: (object result) =>
{
taskResults[taskCount] = result;
if (taskCount == sequentialActions.Count - 1)
{
// Last task
combinedTask.Resolve(taskResults);
}
else
{
sequentialActions[taskCount+1]();
}
},
onFailure: (Exception e) =>
{
combinedTask.Reject(e);
}
);
});
}
sequentialActions[0]();
return combinedTask;
}
/// <summary>
/// Combines multiple tasks of the same type into one callback and runs them simultaneously. On failure the failure callback is called immediately
/// and the result of the other tasks is discarded.
/// </summary>
/// <param name="tasks">A series of tasks to execute in parallel</param>
private static UnityTask All(IDispatcher dispatcher, params UnityTask[] tasks)
{
if (tasks == null || tasks.Length == 0)
{
return new UnityTask(dispatcher).Resolve();
}
UnityTask combinedTask = new UnityTask(dispatcher);
int activeTaskCount = tasks.Length;
object[] taskResults = new object[activeTaskCount];
bool tasksSucceeding = true;
for (int i = 0; i < tasks.Length; i++)
{
UnityTask task = tasks[i];
int taskCount = i;
task.Then(
onFulfilled: (object result) =>
{
if (!tasksSucceeding)
return;
taskResults[taskCount] = result;
activeTaskCount--;
if (activeTaskCount == 0)
{
combinedTask.Resolve(taskResults);
}
},
onFailure: (Exception ex) =>
{
// Only reject the task the first time
if (tasksSucceeding) {
combinedTask.Reject(ex); // Bail if one of the task errors out
}
tasksSucceeding = false;
}
);
}
return combinedTask;
}