AsynchronousFileChannel.open() - is it blocking?

[Zhong Yu]

A synchronous action can be blocking or non-blocking. I'm asking the
blocking aspect.

On Thu, Mar 1, 2012 at 5:02 PM, Vitaly Davidovich <vitalyd at gmail.com> wrote:
> It's probably safe to assume that any method that doesn't return a Future or
> accepts a CompletionHandler runs synchronously.
>
>
> On Thu, Mar 1, 2012 at 5:52 PM, Zhong Yu <zhong.j.yu at gmail.com> wrote:
>>
>> Is open() a potentially blocking action? Apparently so because some
>> sanity checking (e.g. existence of the file) requires disk spin. If
>> that's the case, it should probably be explicitly documented.
>>
>> And after open(), are following methods blocking or non-blocking?
>>
>>    size();
>>    truncate();
>>
>> Thanks,
>> Zhong Yu
>
>