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

I agree that the primary focus of Seam 3 is around writing enterprise applications (which of course doesn't exclude SE apps!), but I see no problem with having other example apps, especially in the sandbox. On 30 Jun 2009, at 09:34, <pete(a)screamingcoder.com&gt; <pete(a)screamingcoder.com > wrote: > OK that's all implemented. The only slight differences are: > > - the properties file where the named scheduls are defined is called > scheduler.properties and lives at the root of the classpath > (optionally > provided by the client application) > > - typesafe schedule binding types use the same mechanism as used by > interceptor binding types to approximate inheritence, ie: > > @Scheduled("after.hours") > @BindingType > @Retention(RUNTIME) > public @interface AfterHours {}; > > - the type for arbitrarily scheduled events is now called Event, not > Schedule. > > I'm ready to check this in, just need to find some decent internet > access > (probably next week) so I can chat with Pete M and Dan, and then > perform > the checkin. > > Just have one question: Do you want the free-memory grapher example > app > which demostrates usage of this module? If so the I'm not sure how > that > will work since it is a SE/Swing app and this module will be going > into the > Seam modules sandbox. I think it will look a little weird for an SE > app to > depend on a Seam module. I guess I'm really wondering why the ties > to Seam > when this is a generally useful module? > > Cheers, > > Pete. > > > > > > On Thu, 25 Jun 2009 11:37:46 +0100, Peter Royle > <howardmoon(a)screamingcoder.com&gt; wrote: >> OK will do. I'm just implementing the stuff below and cleaning up a >> bit first. Got a 24hr flight ahead of me so should be able to get a >> lot done - if I'm not rendered a zombie :). >> >> >> On 19/06/2009, at 7:12 PM, Pete Muir wrote: >> >>> 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 >>> >> >> _______________________________________________ >> webbeans-dev mailing list >> webbeans-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/webbeans-dev