It works!
Thanks in advance ..!
joshcanfield wrote:
>
> This doesn't really have anything to do with the Environment, the
> problem is with your FilterContainer property.
>
> Every time tapestry pulls your page from the pool (or puts it I don't
> recall which) it initializes the page properties with the values you
> set in the constructor or set in the property declaration. That means
> your page is always going to get back the same instance of the object
> it instantiated when it the page created. Which is great for objects
> that users don't manipulate.
>
> It sounds like what you want is to hold on to the FilterContainer in
> the session, so change your property declaration like this:
>
> @Persist("session")
> private FilterContainer container; // Defaults to null, persisted
> classes should be Serializable
>
> And:
> void setupRender() {
> // If there is no container in the session then create a
> new one.
> if ( container == null ) container = new FilterContainer();
> environment.push(FilterContainer.class, container) ;
> }
>
> Josh
>
> On Wed, Apr 16, 2008 at 2:28 PM, Fidel Chavarria
> <[EMAIL PROTECTED]> wrote:
>>
>> Hi, I 've a list of filter components to make the user experience more
>> confortable when he is looking at a list of issues in my app. I use
>> Tapestry
>> radiogroup component technique to enclose those filtters in a FilterGroup
>> component, It works ..! but it's not stateless. when I login to my
>> application as another user with a new instance of another web browser
>> (to
>> avoid browser session ) it keeps all filters applyed from a previous
>> user.
>>
>> Environment services are not stateless ...?
>> How can I avoid this behaviour ..?
>>
>> public class FilterGroup {
>>
>> private FilterContainer container = new FilterContainer() ;
>>
>> @Inject
>> private Environment environment ;
>>
>> void setupRender() {
>> environment.push(FilterContainer.class, container) ;
>> }
>>
>> void afterRender() {
>> environment.pop(FilterContainer.class) ;
>> }
>>
>> public void onAction(Object[] ctx) {
>> if (container.getActiveFilters().contains((String)
>> ctx[0]))
>> container.getActiveFilters().remove(ctx[0]) ;
>> else {
>> container.getActiveFilters().clear() ;
>> container.getActiveFilters().add((String) ctx[0])
>> ;
>> }
>> }
>>
>> public Collection<Filter<BacklogItem>> getFilters() {
>> List<Filter<BacklogItem>> filters = new
>> ArrayList<Filter<BacklogItem>>() ;
>> for (String activeFilter : container.getActiveFilters())
>>
>> filters.add(container.getAvailableFilters().get(activeFilter)) ;
>> return filters ;
>> }
>> }
>> **********************************************************************************
>> public abstract class AbstractFilter {
>>
>> @Inject
>> private ComponentResources resources ;
>>
>> @Parameter(defaultPrefix =
>> TapestryConstants.LITERAL_BINDING_PREFIX,
>> required=true)
>> private String label ;
>>
>> @Environmental
>> private FilterContainer container ;
>>
>> protected abstract String getFilterName() ;
>>
>> protected abstract Filter<BacklogItem> getFilter() ;
>>
>> @SetupRender
>> void setupRender() {
>> container.getAvailableFilters().put(getFilterName(),
>> getFilter()) ;
>> }
>>
>> void beginRender(MarkupWriter writer) {
>> Link link =
>> resources.createActionLink(TapestryConstants.ACTION_EVENT,
>> false, getFilterName()) ;
>>
>> writer.writeRaw("<li>") ;
>> writer.element("a", "href", link.toURI()) ;
>> writer.write( container.getFilterState(getFilterName()) )
>> ;
>> writer.write(label) ;
>> writer.end() ;
>> writer.writeRaw("</li>") ;
>> }
>>
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Environment-services-are-not-stateless-...---tp16733862p16733862.html
>> Sent from the Tapestry - User mailing list archive at Nabble.com.
>>
>>
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>>
>
>
>
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