Hi Claes,
That was what I had originally but did not post as I did not like the extra
String variable increasing the memory footprint. Of course this would only be
true were the user.dir accessed at all.
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Thanks,
Brian
On Mar 12, 2018, at 11:42 AM, Claes Redestad <claes.redes...@oracle.com> wrote:
> Instead of a volatile boolean and a mutable userDir field, couldn't this just
> as well be modelled as:
>
> - keep userDir final (always the not normalized value of
> System.getProperty("user.dir"))
> - replace volatile boolean isUserDirNormal with volatile String
> normalizedUserDir
> - then implement the DCL in getUserPath like:
>
> String normalizedUserDir = this.normalizedUserDir;
> if (normalizedUserDir == null) {
> synchronized(userDir) {
> if (normalizedUserDir == null) {
> normalizedUserDir = this.normalizedUserDir = normalize(userDir);
> }
> }
> }
> return normalizedUserDir;
