/**
* Notifies every registered listener that a task execution has failed due
* to an uncaught exception.
*
* @param executor
* The task executor.
* @param exception
* The exception.
*/
internal void notifyTaskFailed(TaskExecutor executor, ThrowableException exception)
{
if (executor == null)
{
throw new ArgumentNullException("executor", "executor is null.");
}
if (exception == null)
{
throw new ArgumentNullException("exception", "exception is null.");
}
lock (listeners)
{
int size = listeners.Count;
if (size > 0)
{
for (int i = 0; i < size; i++)
{
SchedulerListener l = (SchedulerListener)listeners[i];
l.TaskFailed(executor, exception);
}
}
else
{
// Logs on console if no one has been notified about it.
Console.WriteLine(exception.ToString());
}
}
}
/**
* It implements {@link Thread#run()}, executing the wrapped task.
*/
public void Run()
{
cTaskExecutor.startTime = System.DateTime.Now.Ticks;
ThrowableException error = null;
try
{
// Notify.
cTaskExecutor.scheduler.notifyTaskLaunching(cTaskExecutor.myself);
// Task execution.
cTaskExecutor.task.Execute(cTaskExecutor.context);
// Succeeded.
cTaskExecutor.scheduler.notifyTaskSucceeded(cTaskExecutor.myself);
}
catch (Exception exception)
{
// Failed.
error = new ThrowableException(exception);
cTaskExecutor.scheduler.notifyTaskFailed(cTaskExecutor.myself, error);
}
finally
{
// Notify.
cTaskExecutor.NotifyExecutionTerminated(error);
cTaskExecutor.scheduler.notifyExecutorCompleted(cTaskExecutor.myself);
}
}
/**
* Notify registered listeners the execution has been terminated.
*
* @param exception
* If the execution has been terminated due to an error, this is
* the encountered exception; otherwise the parameter is null.
*/
private void NotifyExecutionTerminated(ThrowableException exception)
{
lock (listeners)
{
foreach (var l in listeners)
{
l.ExecutionTerminated(this, exception);
}
}
}
/**
* It implements {@link Thread#run()}, executing the wrapped task.
*/
public void Run()
{
cTaskExecutor.startTime = System.DateTime.Now.Ticks;
ThrowableException error = null;
try
{
// Notify.
cTaskExecutor.scheduler.notifyTaskLaunching(cTaskExecutor.myself);
// Task execution.
cTaskExecutor.task.Execute(cTaskExecutor.context);
// Succeeded.
cTaskExecutor.scheduler.notifyTaskSucceeded(cTaskExecutor.myself);
}
catch (Exception exception)
{
// Failed.
error = new ThrowableException(exception);
cTaskExecutor.scheduler.notifyTaskFailed(cTaskExecutor.myself, error);
}
finally
{
// Notify.
cTaskExecutor.NotifyExecutionTerminated(error);
cTaskExecutor.scheduler.notifyExecutorCompleted(cTaskExecutor.myself);
}
}
/**
* Notify registered listeners the execution has been terminated.
*
* @param exception
* If the execution has been terminated due to an error, this is
* the encountered exception; otherwise the parameter is null.
*/
private void NotifyExecutionTerminated(ThrowableException exception)
{
lock (listeners)
{
foreach (var l in listeners)
{
l.ExecutionTerminated(this, exception);
}
}
}
/**
* Notifies every registered listener that a task execution has failed due
* to an uncaught exception.
*
* @param executor
* The task executor.
* @param exception
* The exception.
*/
internal void notifyTaskFailed(TaskExecutor executor, ThrowableException exception)
{
if (executor == null)
throw new ArgumentNullException("executor", "executor is null.");
if (exception == null)
throw new ArgumentNullException("exception", "exception is null.");
lock (listeners)
{
int size = listeners.Count;
if (size > 0)
{
for (int i = 0; i < size; i++)
{
SchedulerListener l = (SchedulerListener)listeners[i];
l.TaskFailed(executor, exception);
}
}
else
{
// Logs on console if no one has been notified about it.
Console.WriteLine(exception.ToString());
}
}
}
