Calls to MarkupCache#putIntoCache does not use the key provided by MarkupCacheKeyProvider

[Edvin Syse]

Hi,

I have a virtualhosted CMS written in Wicket 1.3 where some of the pages 
are loaded from the database. This is done using a custom 
ResourceStreamLocator, configured in the Application#init method. This 
works good.

Different users have different templates loaded for the same Wicket 
page, so I need to provide a custom cache key so that instance #2 
doesn't get the template loaded for instance #1. Therefore I have 
overriden the MarkupCache class to be able to override the 
MarkupCacheKeyProvider. This also works, my CacheKeyProvider is 
consulted, but not always used for MarkupCache#putIntoCache(). Shouldn't 
the key returned from the CacheKeyProvider always be used when calling 
putIntoCache()?

Here is my MarkupCache implementation:

public class TornadoMarkupCache extends MarkupCache {
   private IMarkupCacheKeyProvider markupCacheKeyProvider;

   public TornadoMarkupCache(Application application) {
       super(application);
   }

   protected Markup putIntoCache(String locationString, Markup markup) {
       System.out.println("Putting " + locationString + " into cache");
       return super.putIntoCache(locationString, markup);
   }

   public IMarkupCacheKeyProvider 
getMarkupCacheKeyProvider(MarkupContainer container) {
       if (container instanceof IMarkupCacheKeyProvider) {
           return (IMarkupCacheKeyProvider)container;
       }
      
       if (markupCacheKeyProvider == null) {
           markupCacheKeyProvider = new TornadoMarkupCacheKeyProvider();
       }

       return markupCacheKeyProvider;
   }

}

And here is my CacheKeyProvider:

public class TornadoMarkupCacheKeyProvider extends 
DefaultMarkupCacheKeyProvider {
   public String getCacheKey(MarkupContainer container, Class clazz) {
       String key = TornadoSession.get().getInstanceId() + "/" + 
super.getCacheKey(container, clazz);
       System.out.println("Setting key " + key);
       return key;
   }
}

I typically see things like this:

Setting key 1/no.sysedata.wicket.components.InfoPanelnohtml

Putting 
file:/C:/Users/edvin/projects/tornado/target/classes/no/sysedata/wicket/components/InfoPanel.html 
into cache

.. so it seems the CacheKeyProvider is consulted, but the key is not 
used for MarkupCache#putInfoCache()

Can someone point me to what I'm missing?

Thanks!

--
Edvin Syse



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