public Task EnqueueTask(Action action, CancellationToken?cancellationToken = null,
QueueExceptionHandler exceptionHandler = null
)
{
Contract.Requires <ObjectDisposedException>(!this.IsDisposed);
var completionSource = new TaskCompletionSource <object>();
this.queuedItems.Add(new WorkItem(completionSource, cancellationToken, action, null, exceptionHandler));
return(completionSource.Task);
}
public WorkItem(
dynamic completionSource, CancellationToken?cancellationToken, dynamic function, dynamic state = null,
QueueExceptionHandler exceptionHandler = null
) : this()
{
this.CompletionSource = completionSource;
this.CancellationToken = cancellationToken;
this.Function = function;
this.ResultType = null;
this.State = state;
this.ExceptionHandler = exceptionHandler;
}
public Task <TResult> EnqueueTask <TState, TResult>(
Func <TState, TResult> function, TState state, CancellationToken?cancellationToken = null,
QueueExceptionHandler exceptionHandler = null
)
{
Contract.Requires <ObjectDisposedException>(!this.IsDisposed);
var completionSource = new TaskCompletionSource <TResult>();
this.queuedItems.Add(new WorkItem(completionSource, cancellationToken, function, state, exceptionHandler));
return(completionSource.Task);
}
public Task EnqueueTask(Action action, CancellationToken?cancellationToken = null,
QueueExceptionHandler exceptionHandler = null
)
{
if (this.isDisposed)
{
throw new ObjectDisposedException(this.ToString());
}
var completionSource = new TaskCompletionSource <object>();
this.queuedItems.Add(new WorkItem(completionSource, cancellationToken, action, null, exceptionHandler));
return(completionSource.Task);
}
public WorkItem(
dynamic completionSource, CancellationToken?cancellationToken, dynamic function, dynamic state = null,
QueueExceptionHandler exceptionHandler = null
) : this()
{
//Contract.Requires<ArgumentNullException>(completionSource != null);
//Contract.Requires<ArgumentNullException>(function != null);
this.CompletionSource = completionSource;
this.CancellationToken = cancellationToken;
this.Function = function;
this.ResultType = null;
this.State = state;
this.ExceptionHandler = exceptionHandler;
}
public Task <TResult> EnqueueTask <TState, TResult>(
Func <TState, TResult> function, TState state, CancellationToken?cancellationToken = null,
QueueExceptionHandler exceptionHandler = null
)
{
if (this.isDisposed)
{
throw new ObjectDisposedException(this.ToString());
}
var completionSource = new TaskCompletionSource <TResult>();
this.queuedItems.Add(new WorkItem(completionSource, cancellationToken, function, state, exceptionHandler));
return(completionSource.Task);
}
public Task <TResult> EnqueueTask <TResult>(
Func <TResult> function, CancellationToken?cancellationToken = null, QueueExceptionHandler exceptionHandler = null
)
{
//Contract.Requires<ObjectDisposedException>(!this.IsDisposed);
if (this.IsDisposed)
{
throw new ObjectDisposedException(this.IsDisposed.ToString());
}
var completionSource = new TaskCompletionSource <TResult>();
this.queuedItems.Add(new WorkItem(completionSource, cancellationToken, function, null, exceptionHandler));
return(completionSource.Task);
}
public Task EnqueueTask <TState>(
Action <TState> action, TState state, CancellationToken?cancellationToken = null,
QueueExceptionHandler exceptionHandler = null
)
{
//Contract.Requires<ObjectDisposedException>(!this.IsDisposed);
if (this.IsDisposed)
{
throw new ObjectDisposedException(this.IsDisposed.ToString());
}
var completionSource = new TaskCompletionSource <object>();
this.queuedItems.Add(new WorkItem(completionSource, cancellationToken, action, state, exceptionHandler));
return(completionSource.Task);
}
public AsyncWorkQueue(
string threadName = "Async Work Queue Thread", ThreadPriority threadPriority = ThreadPriority.BelowNormal,
int workerThreadCount = 1, QueueExceptionHandler defaultExceptionHandler = null
)
{
this.workerTimeoutMs = -1;
this.workerTokenSource = new CancellationTokenSource();
this.queuedItems = new BlockingCollection <WorkItem>();
this.workers = new Thread[workerThreadCount];
this.defaultExceptionHandler = defaultExceptionHandler;
for (int i = 0; i < workerThreadCount; i++)
{
Thread worker = new Thread(this.ProcessWorkItems)
{
IsBackground = false
};
this.workers[i] = worker;
worker.Name = threadName;
worker.Priority = threadPriority;
worker.Start();
}
}
