Re: [xwiki-devs] How to invalidate security cache?

29 Apr 2016

      Hi Andrey,

Looks good to me.
Regards,

On Wed, Apr 27, 2016 at 5:53 PM, abtv <[email protected]> wrote:
...
Hi Denis!
Did you inserted code example to show how to use ReadWriteLock in place? Or
I should override the default class? I just added ReadWriteLock, is it ok?
There is my final solution with Listener and it works on my machine:
I added the following to components.txt:
0:com.myproject.xwiki.cache.CustomSecurityCacheRulesInvalidatorListener
@Component
@Named("SecurityCacheRulesInvalidatorListener")
@Singleton
public class CustomSecurityCacheRulesInvalidatorListener extends
AbstractEventListener {
    @Inject
    @Named(DefaultSecurityCacheRulesInvalidator.NAME)
    private ReadWriteLock readWriteLock;
    @Inject
    private SecurityCache securityCache;
@Inject
    private SecurityReferenceFactory securityReferenceFactory;
public CustomSecurityCacheRulesInvalidatorListener() {
        super(DefaultSecurityCacheRulesInvalidator.NAME, new
CleanCacheEvent());
    }
public void onEvent(Event event, Object source, Object data) {
        System.out.println("invalidating xwiki cache");
        readWriteLock.writeLock().lock();
        try {
            SecurityReference root =
securityReferenceFactory.newEntityReference(null);
            securityCache.remove(root);
        } finally {
            readWriteLock.writeLock().unlock();
        }
    }
}
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Denis Gervalle
SOFTEC sa - CEO