com.yahoo.bard.webservice.application

Class SchedulableTask<V>

java.lang.Object

java.util.concurrent.FutureTask<V>

com.yahoo.bard.webservice.application.SchedulableTask<V>

Type Parameters:

V - The result type returned by the get method of the Future that is associated with this task.

All Implemented Interfaces:

Comparable<Delayed>, Runnable, Delayed, Future<V>, RunnableFuture<V>, RunnableScheduledFuture<V>, ScheduledFuture<V>

public class SchedulableTask<V>
extends FutureTask<V>
implements RunnableScheduledFuture<V>

Defines a task that is scheduled to run at a given time, periodically or in a one-off fashion.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	name

Constructor Summary

Constructors

Constructor and Description
SchedulableTask(Callable<V> callable, RunnableScheduledFuture<V> innerTask) Creates a task that can be scheduled with TaskScheduler.
SchedulableTask(Runnable runnable, V result, RunnableScheduledFuture<V> innerTask) Creates a task that can be scheduled with TaskScheduler.

Method Summary

Modifier and Type	Method and Description
int	compareTo(Delayed task)
long	getDelay(TimeUnit unit)
boolean	isPeriodic()
void	run()

Methods inherited from class java.util.concurrent.FutureTask

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.Future

cancel, get, get, isCancelled, isDone

Field Detail

name

protected final String name

Constructor Detail

SchedulableTask

public SchedulableTask(Runnable runnable,
                       V result,
                       RunnableScheduledFuture<V> innerTask)

Creates a task that can be scheduled with TaskScheduler.

Parameters:

runnable - The user-defined task to execute.

result - The result to return upon success. Use null if the task does not return a result along with Void as generic object type.

innerTask - The inner task instantiated internally by the executor that we decorate with this class.

SchedulableTask

public SchedulableTask(Callable<V> callable,
                       RunnableScheduledFuture<V> innerTask)

Creates a task that can be scheduled with TaskScheduler.

Parameters:

callable - The user-defined task to execute.

innerTask - The inner task instantiated internally by the executor that we decorate with this class.

Method Detail

run

public void run()

Specified by:

run in interface Runnable

Specified by:

run in interface RunnableFuture<V>

Overrides:

run in class FutureTask<V>

isPeriodic

public boolean isPeriodic()

Specified by:

isPeriodic in interface RunnableScheduledFuture<V>

getDelay

public long getDelay(TimeUnit unit)

Specified by:

getDelay in interface Delayed

compareTo

public int compareTo(Delayed task)

Specified by:

compareTo in interface Comparable<Delayed>