cz.cuni.amis.utils.future

Class RunnableFuture<RESULT>

java.lang.Object

cz.cuni.amis.utils.future.RunnableFuture<RESULT>

All Implemented Interfaces:

IFuture<RESULT>, Runnable, Future<RESULT>

public abstract class RunnableFuture<RESULT>
extends Object
implements Runnable, IFuture<RESULT>

Constructor Summary

Constructors

Constructor and Description
RunnableFuture()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	cancel(boolean mayInterruptIfRunning)
RESULT	get() Waits if necessary for the computation to complete, and then retrieves its result.
RESULT	get(long timeout, TimeUnit unit) Waits if necessary for at most the given time for the computation to complete, and then retrieves its result, if available.
boolean	isCancelled()
boolean	isDone()
protected abstract RESULT	process() Provide the implementation of your work that returns some RESULT or throws an exception if something happens.
void	run()

Methods inherited from class java.lang.Object

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

Constructor Detail

RunnableFuture

public RunnableFuture()

Method Detail

process

protected abstract RESULT process()
                           throws Exception

Provide the implementation of your work that returns some RESULT or throws an exception if something happens.

Returns:

Throws:

Exception

run

public final void run()

Specified by:

run in interface Runnable

cancel

public final boolean cancel(boolean mayInterruptIfRunning)

Specified by:

cancel in interface Future<RESULT>

get

public final RESULT get()

Description copied from interface: IFuture

Waits if necessary for the computation to complete, and then retrieves its result.

Specified by:

get in interface IFuture<RESULT>

Specified by:

get in interface Future<RESULT>

Returns:

the computed result

get

public final RESULT get(long timeout,
         TimeUnit unit)
                 throws PogamutInterruptedException,
                        PogamutTimeoutException

Description copied from interface: IFuture

Waits if necessary for at most the given time for the computation to complete, and then retrieves its result, if available.

Specified by:

get in interface IFuture<RESULT>

Specified by:

get in interface Future<RESULT>

Parameters:

timeout - the maximum time to wait

unit - the time unit of the timeout argument

Returns:

the computed result

Throws:

PogamutInterruptedException - if the current thread was interrupted while waiting

PogamutTimeoutException - if the wait timed out

isCancelled

public final boolean isCancelled()

Specified by:

isCancelled in interface Future<RESULT>

isDone

public final boolean isDone()

Specified by:

isDone in interface Future<RESULT>