OptionalPendingResults are PendingResults
with additional support for non-blocking accessors. The result of an OptionalPendingResult
may be available immediately. If the result is available isDone()
will return true.
| abstract R | |
| abstract boolean |
isDone()
Returns true if the result is available immediately, false otherwise.
|
Returns the Result
immediately if it is available. If the result is not available, an exception will be
thrown. This method should only be called after checking that
isDone() returns true.
After the result has been retrieved using
get(), await(),
or has been delivered to the result callback, it is an error to attempt to retrieve the
result again. It is the responsibility of the caller or callback receiver to release
any resources associated with the returned result. Some result types may implement
Releasable,
in which case release()
should be used to free the associated resources.
| IllegalStateException | when the result is not
isDone(). |
|---|
Returns true if the result is available immediately, false otherwise.