Re: [xwiki-users] parseGroovyFromPage() and singleton

Thanks Vincent, You're right it will be easier through context... Do "$context" (velocity) and "context" (groovy) variables refer to the application context or to the session context ?

Jeremie 2010/2/1 Vincent Massol<vincent(a)massol.net> > Hi Jeremie, > > On Feb 1, 2010, at 10:11 AM, Jeremie BOUSQUET wrote: > >> Hi all, >> >> I use method parseGroovyFromPage() to instantiate an object from a Groovy >> class stored in a page. >> >> It works well, but now I would like to forbid multiple executions of this >> class. To do so, I changed it to be a singleton, setting the constructor > as >> private. >> Of course, now, parseGroovyFromPage() returns that the object can't be >> instantiated ... As the call to the constructor is inside this method, I >> can't change it to just call getInstance(). >> >> Are there any workarounds, or other ways to achieve this ? > > Why do you need to use this method? > > With XWiki Syntax 2.0 we now have the ability to do: > > {{include document="groovypage"/}} > > where groovypage is a page using the {{groovy}} macro to define groovy > code. > > If you want to forbid several executions of the {{groovy}} script you could > use an if() inside it and check if a value is present in the session or > application context (depending if you want it called once per user or per > application).