/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="description">description for this work</param>
/// <param name="queuePriority">QueuePriority for this work</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, string description, QueuePriority queuePriority)
{
IWork w = new Work(work, description, _startInfo.DefaultThreadPriority);
Add(w, queuePriority);
return(w);
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="description">description for this work</param>
/// <param name="queuePriority">QueuePriority for this work</param>
/// <param name="threadPriority">System.Threading.ThreadPriority for this work</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, string description, QueuePriority queuePriority, ThreadPriority threadPriority)
{
IWork w = new Work(work, description, threadPriority);
Add(w, queuePriority);
return(w);
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="workCompletedHandler">WorkEventHandler to be called on completion</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, WorkEventHandler workCompletedHandler)
{
IWork w = new Work(work, workCompletedHandler);
Add(w);
return(w);
}
public override void Process()
{
// don't perform canceled work
if (State == WorkState.CANCELED)
{
return;
}
// don't perform work which is in an invalid state
if (State != WorkState.INQUEUE)
{
throw new InvalidOperationException(String.Format("WorkState for work {0} not INQUEUE, but {1}", Description, State));
}
State = WorkState.INPROGRESS;
// perform work
DoWorkHandler workLoad = WorkLoad;
if (workLoad != null)
{
workLoad();
}
// mark work as finished and fire work completion delegate
State = WorkState.FINISHED;
if (WorkCompleted != null)
{
WorkCompleted(EventArgs);
}
_running = false;
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work)
{
IWork w = new Work(work, _startInfo.DefaultThreadPriority);
Add(w);
return(w);
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="threadPriority">System.Threading.ThreadPriority for this work</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, ThreadPriority threadPriority)
{
IWork w = new Work(work, threadPriority);
Add(w);
return(w);
}
public Work(DoWorkHandler work, string description, ThreadPriority threadPriority, WorkEventHandler workCompletedHandler)
{
WorkLoad = work;
_description = description;
_priority = threadPriority;
WorkCompleted = workCompletedHandler;
_eventArgs = new WorkEventArgs(this);
_simpleWork = true;
_state = WorkState.INIT;
}
public Work(DoWorkHandler work, string description, ThreadPriority threadPriority, WorkEventHandler workCompletedHandler)
{
WorkLoad = work;
_description = description;
_priority = threadPriority;
WorkCompleted = workCompletedHandler;
_eventArgs = new WorkEventArgs(this);
_simpleWork = true;
_state = WorkState.INIT;
}
public virtual void Process()
{
// Don't perform canceled work
if (_state == WorkState.CANCELED)
{
return;
}
// Don't perform work which is in an invalid state
if (_state != WorkState.INQUEUE)
{
throw new InvalidOperationException(String.Format("WorkState for work '{0}' is {1} but should be {2}", _description, _state, WorkState.INQUEUE));
}
// Mark work as in progress
if (_simpleWork)
{
State = WorkState.INPROGRESS;
}
// Perform work
DoWorkHandler workLoad = WorkLoad;
if (workLoad != null)
{
workLoad();
}
else
{
throw new NotImplementedException();
}
// Mark work as finished and fire work completion delegate
if (_simpleWork)
{
State = WorkState.FINISHED;
if (WorkCompleted != null)
{
WorkCompleted(_eventArgs);
}
}
}
public void TestWorkQueueLengthBusyCountAndWorkCancellation()
{
DoWorkHandler workHandler = new DoWorkHandler(delegate() { Thread.Sleep(300); });
Console.Out.WriteLine("----=<TestWorkItemsProcessed>=----");
List <IWork> workList = new List <IWork>();
ThreadPoolStartInfo tpsi = new ThreadPoolStartInfo(1, 1, 10);
_pool = new ThreadPool(tpsi);
SetupLogging();
_pool.Add(workHandler);
Thread.Sleep(10);
Assert.AreEqual(1, _pool.BusyThreadCount);
for (int i = 0; i < 10; i++)
{
workList.Add(_pool.Add(workHandler));
}
Assert.AreEqual(10, _pool.QueueLength);
foreach (IWork work in workList)
{
work.State = WorkState.CANCELED;
}
_pool.MinimumThreads = _pool.MaximumThreads = 10;
_pool.MinimumThreads = 0;
while (_pool.BusyThreadCount > 0)
{
Thread.Sleep(100);
}
foreach (IWork work in workList)
{
Assert.AreEqual(WorkState.CANCELED, work.State);
}
Assert.AreEqual(0, _pool.QueueLength);
Assert.AreEqual(0, _pool.BusyThreadCount);
}
public Work(DoWorkHandler work)
: this(work, string.Empty, ThreadPriority.Normal, null)
{
}
public IWork Add(DoWorkHandler work, QueuePriority queuePriority)
{
IWork w = new Work(work, _startInfo.DefaultThreadPriority);
return(Add(w, queuePriority) ? w : null);
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="description">description for this work</param>
/// <param name="queuePriority">QueuePriority for this work</param>
/// <param name="threadPriority">System.Threading.ThreadPriority for this work</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, string description, QueuePriority queuePriority, ThreadPriority threadPriority)
{
IWork w = new Work(work, description, threadPriority);
Add(w, queuePriority);
return w;
}
public Work(DoWorkHandler work, string description, ThreadPriority threadPriority)
: this(work, description, threadPriority, null) { }
public Work(DoWorkHandler work, ThreadPriority threadPriority, WorkEventHandler workCompletedHandler)
: this(work, string.Empty, threadPriority, workCompletedHandler) { }
public Work(DoWorkHandler work, ThreadPriority threadPriority, WorkEventHandler workCompletedHandler)
: this(work, string.Empty, threadPriority, workCompletedHandler)
{
}
public void TestWorkQueueLengthBusyCountAndWorkCancellation()
{
DoWorkHandler workHandler = new DoWorkHandler(delegate() { Thread.Sleep(300); });
Console.Out.WriteLine("----=<TestWorkItemsProcessed>=----");
List<IWork> workList = new List<IWork>();
ThreadPoolStartInfo tpsi = new ThreadPoolStartInfo(1, 1, 10);
_pool = new ThreadPool(tpsi);
SetupLogging();
_pool.Add(workHandler);
Thread.Sleep(10);
Assert.AreEqual(1, _pool.BusyThreadCount);
for (int i = 0; i < 10; i++)
{
workList.Add(_pool.Add(workHandler));
}
Assert.AreEqual(10, _pool.QueueLength);
foreach (IWork work in workList)
{
work.State = WorkState.CANCELED;
}
_pool.MinimumThreads = _pool.MaximumThreads = 10;
_pool.MinimumThreads = 0;
while (_pool.BusyThreadCount > 0)
{
Thread.Sleep(100);
}
foreach (IWork work in workList)
{
Assert.AreEqual(WorkState.CANCELED, work.State);
}
Assert.AreEqual(0, _pool.QueueLength);
Assert.AreEqual(0, _pool.BusyThreadCount);
}
public IntervalWork(DoWorkHandler work, TimeSpan interval)
{
WorkLoad = work;
_interval = interval;
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="description">description for this work</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, string description)
{
IWork w = new Work(work, description, _startInfo.DefaultThreadPriority);
Add(w);
return w;
}
public IWork Add(DoWorkHandler work, string description, QueuePriority queuePriority)
{
IWork w = new Work(work, description, _startInfo.DefaultThreadPriority);
return Add(w, queuePriority) ? w : null;
}
public IWork Add(DoWorkHandler work, string description)
{
IWork w = new Work(work, description, _startInfo.DefaultThreadPriority);
return(Add(w) ? w : null);
}
public IWork Add(DoWorkHandler work, WorkEventHandler workCompletedHandler)
{
IWork w = new Work(work, workCompletedHandler);
return Add(w) ? w : null;
}
public IWork Add(DoWorkHandler work, ThreadPriority threadPriority)
{
IWork w = new Work(work, threadPriority);
return Add(w) ? w : null;
}
public IWork Add(DoWorkHandler work)
{
IWork w = new Work(work, _startInfo.DefaultThreadPriority);
return Add(w) ? w : null;
}
public Work(DoWorkHandler work, ThreadPriority threadPriority)
: this(work, string.Empty, threadPriority, null)
{
}
public Work(DoWorkHandler work)
: this(work, string.Empty, ThreadPriority.Normal, null) { }
public Work(DoWorkHandler work, string description, ThreadPriority threadPriority)
: this(work, description, threadPriority, null)
{
}
public Work(DoWorkHandler work, ThreadPriority threadPriority)
: this(work, string.Empty, threadPriority, null) { }
public IntervalWork(DoWorkHandler work, TimeSpan interval)
{
WorkLoad = work;
_interval = interval;
}
public IWork Add(DoWorkHandler work, string description, QueuePriority queuePriority, ThreadPriority threadPriority, WorkEventHandler workCompletedHandler)
{
IWork w = new Work(work, description, threadPriority, workCompletedHandler);
return(Add(w, queuePriority) ? w : null);
}
public IWork Add(DoWorkHandler work, string description, QueuePriority queuePriority, ThreadPriority threadPriority, WorkEventHandler workCompletedHandler)
{
IWork w = new Work(work, description, threadPriority, workCompletedHandler);
return Add(w, queuePriority) ? w : null;
}
/// <summary>
/// Add work to be performed by the threadpool.
/// Can throw ArgumentNullException and InvalidOperationException.
/// </summary>
/// <param name="work">DoWorkHandler which contains the work to perform</param>
/// <param name="queuePriority">QueuePriority for this work</param>
/// <returns>IWork reference to work object</returns>
public IWork Add(DoWorkHandler work, QueuePriority queuePriority)
{
IWork w = new Work(work, _startInfo.DefaultThreadPriority);
Add(w, queuePriority);
return w;
}
