Package org.onlab.util

Class PredictableExecutor.PickyFutureTask<T>

java.lang.Object

java.util.concurrent.FutureTask<T>

org.onlab.util.PredictableExecutor.PickyFutureTask<T>

Type Parameters:

T - result type.

All Implemented Interfaces:

Runnable, Future<T>, RunnableFuture<T>, PredictableExecutor.PickyTask

Enclosing class:

PredictableExecutor

public static class PredictableExecutor.PickyFutureTask<T>
extends FutureTask<T>
implements PredictableExecutor.PickyTask

A FutureTask implementing PredictableExecutor.PickyTask.

Note: if the wrapped Callable or Runnable was an instance of PredictableExecutor.PickyTask, it will use PredictableExecutor.PickyTask.hint() value, if not use Object.hashCode().

Constructor Summary

Constructors

Constructor	Description
PickyFutureTask(Runnable runnable, T value)	Same as FutureTask(Runnable, Object).
PickyFutureTask(Callable<T> callable)	Same as FutureTask(Callable).

Method Summary

Modifier and Type	Method	Description
int	hint()	Returns hint for choosing which Thread to run this task on.

Methods inherited from class java.util.concurrent.FutureTask

cancel, done, get, get, isCancelled, isDone, run, runAndReset, set, setException, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PickyFutureTask

public PickyFutureTask(Runnable runnable,
                       T value)

Same as FutureTask(Runnable, Object).

Parameters:

runnable - work to do

value - result

PickyFutureTask

public PickyFutureTask(Callable<T> callable)

Same as FutureTask(Callable).

Parameters:

callable - work to be done

Method Detail

hint

public int hint()

Description copied from interface: PredictableExecutor.PickyTask

Returns hint for choosing which Thread to run this task on.

Specified by:

hint in interface PredictableExecutor.PickyTask

Returns:

hint value