/// <summary>
/// Pick a task for execution and sets specified <paramref name="worker"/> for it.
/// </summary>
/// <param name="worker">
/// An instance of <see cref="IWorkerChannel"/> that specifies communication channel for task's executor
/// </param>
/// <param name="timeout">
/// Operation timeout.
/// </param>
/// <returns>
/// An instance of <see cref="Task"/> that is ready for execution.
/// </returns>
/// <remarks>
/// <para>
/// This method blocks calling thread until a task is picked.
/// </para>
/// <para>
/// After picking a task, task queue ensures that the picked task will not be picked anymore.
/// </para>
/// </remarks>
public Task PickTask(IWorkerChannel worker, TimeSpan timeout)
{
Task task;
try
{
lock (task = pendingTasks.Dequeue(timeout))
{
task.State = TaskState.Processing;
task.Worker = worker;
return task;
}
}
catch (TimeoutException)
{
return null;
}
}
/// <summary>
/// Pick a task for execution and sets specified <paramref name="worker"/> for it.
/// </summary>
/// <param name="worker">
/// An instance of <see cref="IWorkerChannel"/> that specifies communication channel for task's executor
/// </param>
/// <returns>
/// An instance of <see cref="Task"/> that is ready for execution.
/// </returns>
/// <remarks>
/// <para>
/// This method blocks calling thread until a task is picked.
/// </para>
/// <para>
/// After picking a task, task queue ensures that the picked task will not be picked anymore.
/// </para>
/// </remarks>
public Task PickTask(IWorkerChannel worker)
{
Contract.Requires(worker != null);
throw new NotImplementedException();
}
/// <summary>
/// Pick a task for execution and sets specified <paramref name="worker"/> for it.
/// </summary>
/// <param name="worker">
/// An instance of <see cref="IWorkerChannel"/> that specifies communication channel for task's executor
/// </param>
/// <returns>
/// An instance of <see cref="Task"/> that is ready for execution.
/// </returns>
/// <remarks>
/// <para>
/// This method blocks calling thread until a task is picked.
/// </para>
/// <para>
/// After picking a task, task queue ensures that the picked task will not be picked anymore.
/// </para>
/// </remarks>
public Task PickTask(IWorkerChannel worker)
{
Task task;
lock (task = pendingTasks.Dequeue())
{
task.State = TaskState.Processing;
task.Worker = worker;
return task;
}
}