Re: [webbeans-dev] CDI Quartz Extension and SE Example

How about putting this in Seam sandbox/modules for now? Talk to Dan Allen offline about the structure for the code (but basically it is like webbeans-extensions). Also, ping me and I'll sort out the SVN permissions. On 28 May 2009, at 22:45, Peter Royle wrote: > Hi, > > I know you're all really busy right now with the spec updates, but > I've got a new extension for possible inclusion into WebBeans, plus > a new example app for SE which uses it. > > == Quartz Extension == > > WebBeans-Quartz.zip > > The extension is a Quartz extension. It basically fires events > @Every Second, @Every Minute and @Every Hour, which can be observed > like so: > > public void updateSomething(@Observes @Every Hour hour) { // blah } > > On startup the extension first checks for the presence of observers > for each type of event and if there are no observers for a > particular type of event, no events will be scheduled. > > I intend to extend it by: > 1) introducing a way to define arbitrary schedules (in annotations > or in a properties file which is then referenced by name in an > annotation - which can then be made typesafe by subclassing the > annotation). Eg: > > package org.jboss.webbeans.extension.scheduler; > public @interface Scheduled { > String name(); > } > ----------- > public @interface AfterHours extends Scheduled{ > String name() default "afterHours"; > } > ----------- > schedule.properties: > afterHours=0 1 * * * * > ----------- > public void batchProcess(@Observes @AfterHours Schedule > schedule) { ... } > > 2) Adding whatever is necessary to make this usable in EE > environment. Any pointers? > > 3) Any other suggestions? > > == Memory Graph Example == > > MemoryGrapher.zip > > This is another Swing based example, which renders a graph of the > VM's free memory, updating every second and calling garbage > collection every minute using the above extension. It's a nice > concise example of how to bootstrap and shutdown SE, how to observe > events and how to use the injectable logger. Plus everyone loves a > pretty graph! > > I know there is some obvious clean up work required, and maybe > removing the name Quartz (?) - which I'm happy to do prior to > checking in. > > What do you think? > > > Pete. > > > > > _______________________________________________ > webbeans-dev mailing list > webbeans-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/webbeans-dev