Example usage for org.apache.wicket.util.collections ClassMetaCache ClassMetaCache

Introduction

In this page you can find the example usage for org.apache.wicket.util.collections ClassMetaCache ClassMetaCache.

Prototype

ClassMetaCache

Source Link

Usage

From source file:com.github.javawithmarcus.wicket.cdi.NonContextual.java

License:Apache License

private static ClassMetaCache<NonContextual<?>> getCache() {
    ClassMetaCache<NonContextual<?>> meta = cache.get(CDI.current().getBeanManager());
    if (meta == null) {
        synchronized (lock) {
            BeanManager manager = CDI.current().getBeanManager();
            meta = cache.get(manager);//from w  w  w.  j  a  v a 2s .com
            if (meta == null) {
                meta = new ClassMetaCache<>();

                // copy-on-write the cache
                Map<BeanManager, ClassMetaCache<NonContextual<?>>> newCache = new WeakHashMap<>(cache);
                newCache.put(manager, meta);
                cache = Collections.unmodifiableMap(newCache);
            }
        }
    }
    return meta;
}

---