public final Result get(long timeout, TimeUnit unit) throws InterruptedException,
            ExecutionException, TimeoutException {
        return mFuture.get(timeout, unit);
    }
public final Result get ( long timeout , TimeUnit unit ) throws InterruptedException , ExecutionException , TimeoutException { return mFuture . get ( timeout , unit ) ; }
Waits if necessary for at most the given time for the computation
to complete, and then retrieves its result.

@param timeout Time to wait before cancelling the operation.
@param unit The time unit for the timeout.

@return The computed result.

@throws CancellationException If the computation was cancelled.
@throws ExecutionException If the computation threw an exception.
@throws InterruptedException If the current thread was interrupted
while waiting.
@throws TimeoutException If the wait timed out.