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

27 Apr 2016

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

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