/// <summary>
/// Creates and starts a task to execute the given work.
/// </summary>
/// <param name="action">The work to execute in parallel.</param>
/// <param name="options">The work options to use with this action.</param>
/// <param name="completionCallback">
/// A method which will be called in <see cref="RunCallbacks"/> once this task has completed.
/// </param>
/// <returns>A task which represents the asynchronous operation.</returns>
/// <remarks>
/// <strong>Important:</strong> The completion callback is not executed automatically. Instead,
/// the callback is only executed when <see cref="RunCallbacks"/> is called. See
/// <see cref="RunCallbacks"/> for additional information.
/// </remarks>
/// <exception cref="ArgumentException">
/// Invalid number of maximum threads set in <see cref="IWork.Options"/>.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="action"/> is <see langword="null"/>.
/// </exception>
public static Task Start(Action action, WorkOptions options, Action completionCallback)
{
if (options.MaximumThreads < 1)
throw new ArgumentException("options.MaximumThreads cannot be less than 1.", "options");
var work = DelegateWork.Create();
work.Action = action;
work.Options = options;
return Start(work, completionCallback);
#else
throw new NotSupportedException("Unity builds do not yet support multithreading.");
}
/// <summary>
/// Creates and starts a task which executes the given function and stores the result for later
/// retrieval.
/// </summary>
/// <typeparam name="T">The type of result the function returns.</typeparam>
/// <param name="function">The function to execute in parallel.</param>
/// <param name="options">The work options to use with this action.</param>
/// <param name="completionCallback">
/// A method which will be called in <see cref="RunCallbacks"/> once this task has completed.
/// </param>
/// <returns>A <see cref="Task{T}"/> which stores the result of the function.</returns>
/// <remarks>
/// <strong>Important:</strong> The completion callback is not executed automatically. Instead,
/// the callback is only executed when <see cref="RunCallbacks"/> is called. See
/// <see cref="RunCallbacks"/> for additional information.
/// </remarks>
/// <exception cref="ArgumentNullException">
/// <paramref name="function"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// Invalid number of maximum threads set in <see cref="IWork.Options"/>.
/// </exception>
public static Task<T> Start<T>(Func<T> function, WorkOptions options, Action completionCallback)
{
if (options.MaximumThreads < 1)
throw new ArgumentException("options.MaximumThreads cannot be less than 1.", "options");
var work = FutureWork<T>.Create();
work.Function = function;
work.Options = options;
var task = Start(work, completionCallback);
return new Task<T>(task, work);
#else
throw new NotSupportedException("Unity builds do not yet support multithreading.");
}
/// <summary>
/// Creates an starts a task which executes the given function and stores the result for later
/// retrieval.
/// </summary>
/// <typeparam name="T">The type of result the function returns.</typeparam>
/// <param name="function">The function to execute in parallel.</param>
/// <param name="options">The work options to use with this action.</param>
/// <returns>A <see cref="Task{T}"/> which stores the result of the function.</returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="function"/> is <see langword="null"/>.
/// </exception>
public static Task<T> Start<T>(Func<T> function, WorkOptions options)
{
return Start(function, options, null);
}
/// <summary>
/// Creates and starts a task to execute the given work.
/// </summary>
/// <param name="action">The work to execute in parallel.</param>
/// <param name="options">The work options to use with this action.</param>
/// <returns>A task which represents the asynchronous operation.</returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="action"/> is <see langword="null"/>.
/// </exception>
public static Task Start(Action action, WorkOptions options)
{
return Start(action, options, null);
}
private ForLoopWork()
{
Options = new WorkOptions { MaximumThreads = int.MaxValue };
}