/**
* Delegates to {@link #apply()} method.
*
* <p>{@inheritDoc}
*
* @return {@inheritDoc}
* @throws GridException {@inheritDoc}
*/
@Override
public final Object execute() throws GridException {
try {
apply();
} catch (Throwable e) {
throw U.cast(e);
}
return null;
}
/** {@inheritDoc} */
@Override
public R get(long timeout, TimeUnit unit) throws GridException {
A.ensure(timeout >= 0, "timeout cannot be negative: " + timeout);
A.notNull(unit, "unit");
checkValid();
try {
long now = System.currentTimeMillis();
long end = timeout == 0 ? Long.MAX_VALUE : now + MILLISECONDS.convert(timeout, unit);
// Account for overflow.
if (end < 0) end = Long.MAX_VALUE;
synchronized (mux) {
while (!done && !cancelled && now < end) {
mux.wait(end - now);
if (!done) now = System.currentTimeMillis();
}
if (done) {
if (err != null) throw U.cast(err);
return res;
}
if (cancelled) throw new GridFutureCancelledException("Future was cancelled: " + this);
throw new GridFutureTimeoutException(
"Timeout was reached before computation completed [duration="
+ duration()
+ "ms, timeout="
+ unit.toMillis(timeout)
+ "ms]");
}
} catch (InterruptedException e) {
throw new GridInterruptedException(
"Got interrupted while waiting for future to complete [duration="
+ duration()
+ "ms, timeout="
+ unit.toMillis(timeout)
+ "ms]",
e);
}
}
/** {@inheritDoc} */
@Override
public R get() throws GridException {
checkValid();
try {
synchronized (mux) {
while (!done && !cancelled) mux.wait();
if (done) {
if (err != null) throw U.cast(err);
return res;
}
throw new GridFutureCancelledException("Future was cancelled: " + this);
}
} catch (InterruptedException e) {
throw new GridInterruptedException(e);
}
}