public static CWorkItem <T> QueueWorkItem <T>(this ThreadIsolationCommand <T> command, Func <T> func, EventHandler <StatusChangeEventArgs> onStatusChange = null)
{
CThreadPool commandPool = GetCommandPool(command);
if (commandPool.NowWaitingWorkCount >= ((commandPool.MaxConcurrentCount * command.ConfigSet.MaxAsyncCommandExceedPercentage) / 100))
{
throw new HystrixException(FailureTypeEnum.ThreadIsolationRejected, command.GetType(), command.Key, "already exceed the max workitem, can't add any more.");
}
return(commandPool.QueueWorkItem <T>(func, onStatusChange));
}
public static CWorkItem <T> QueueWorkItem <T>(this ThreadIsolationCommand <T> command, Func <T> func, EventHandler <StatusChangeEventArgs> onStatusChange = null)
{
var pool = GetCommandPool(command);
//if (pool.NowRunningWorkCount >= pool.MaxConcurrentCount)
//{
// command.Metrics.MarkExecutionEvent(CommandExecutionEventEnum.ThreadMaxActive);
//}
//when asyn command's count exceed thread pool's volume, only allow some percentage (reference pool volume) task queue.
if (pool.NowWaitingWorkCount >= pool.MaxConcurrentCount * command.ConfigSet.MaxAsyncCommandExceedPercentage / 100)
{
throw new HystrixException(FailureTypeEnum.ThreadIsolationRejected, command.GetType(), command.Key,
"already exceed the max workitem, can't add any more.");
//new ExecutionRejectedException("already exceed the max workitem, can't add any more.");
}
//command.Metrics.MarkExecutionEvent(CommandExecutionEventEnum.ThreadExecution);
return(pool.QueueWorkItem(func, onStatusChange));
}
public static void UpdateCommandTimeoutInMilliseconds <T>(this ThreadIsolationCommand <T> command, int seconds)
{
GetCommandPool(command).WorkItemTimeoutMiliseconds = seconds;
}
public static void UpdateMaxConcurrentCount <T>(this ThreadIsolationCommand <T> command, int count)
{
GetCommandPool(command).MaxConcurrentCount = count;
}
