On Sat, 12 Apr 2008 12:31:12 +0200, Vincent Massol wrote > Hi Ruslan, > > On Apr 12, 2008, at 12:02 PM, rssh wrote: > > > On Sat, 12 Apr 2008 11:25:29 +0200, Vincent Massol wrote > >> Hi, > >> > > > > Sorry, may be this is not my question, but: I can imagine situation, > > where > > ThreadLocal approach will fail: it's when we do asynchronics call > > to some > > external entity with callback. In such case callback will not > > receive context in > > ThreadLocal. And it is possible (and very common approach) to do > > this from > > groovy scripts (as groovy has closures). > > I don't understand what would not work... Would you mind giving some > details and use cases? >
For example - write something like 'doParallel' from http://www.jroller.com/melix/entry/simplifiying_java_util_concurrent_with It is common to call long external process in one branch (for example fetching external URL) and check for timeout in other branch. All closures, which would evaluated inside doParallel will have not access to ThreadLocal. > Thanks > -Vincent > > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs -- Ruslan Shevchenko GradSoft. http://www.gradsoft.ua _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
