Hi Simon, David, it's of course 2 ;)
regards, Martin On 10/1/07, Simon Kitching <[EMAIL PROTECTED]> wrote: > ---- David Delbecq <[EMAIL PROTECTED]> schrieb: > > Hello, > > > > I have a quite technical question related to Renderers in JSF. When > > several components references the same Renderers, what's the expected > > behaviour? > > > > 1) One and only one renderer is instanciated and used for the whole life > > of application, his methods being called concurrently > > 2) One and only one renderer is instanciated for each component type, > > his methods being called concurrently > > 3) For each component in tree, a renderer in instanciated called during > > lifecycle and freed when respnse is send > > 4) Behaviour is not explicited by JSF specs and application should > > consider Renderers could shared, but are not forced to be. > > From the Sun javadoc for the renderer class: > http://java.sun.com/javaee/javaserverfaces/1.1_01/docs/api/javax/faces/render/Renderer.html > <quote> > Individual Renderer instances will be instantiated as requested during the > rendering process, and will remain in existence for the remainder of the > lifetime of a web application. Because each instance may be invoked from > more than one request processing thread simultaneously, they MUST be > programmed in a thread-safe manner. > </quote> > > So it seems that (1) is what is required by the spec. > > > Regards, > > Simon > -- http://www.irian.at Your JSF powerhouse - JSF Consulting, Development and Courses in English and German Professional Support for Apache MyFaces
