Ejemplo n.º 1
0
  @Override
  public <T> T get(Contextual<T> bean, CreationalContext<T> creationalContext) {
    if (creationalContext == null) {
      return null;
    }

    checkActive();

    if (passivatingScope) {
      if (!(bean instanceof PassivationCapable)) {
        throw new IllegalStateException(
            bean.toString() + " doesn't implement " + PassivationCapable.class.getName());
      }
    }

    ContextualStorage storage = getContextualStorage(bean, true);

    Map<Object, ContextualInstanceInfo<?>> contextMap = storage.getStorage();
    ContextualInstanceInfo<?> contextualInstanceInfo = contextMap.get(storage.getBeanKey(bean));

    if (contextualInstanceInfo != null) {
      @SuppressWarnings("unchecked")
      final T instance = (T) contextualInstanceInfo.getContextualInstance();

      if (instance != null) {
        return instance;
      }
    }

    return storage.createContextualInstance(bean, creationalContext);
  }
Ejemplo n.º 2
0
  /**
   * Destroys all the Contextual Instances in the specified ContextualStorage. This is a static
   * method to allow various holder objects to cleanup properly in &#064;PreDestroy.
   */
  public static Map<Object, ContextualInstanceInfo<?>> destroyAllActive(ContextualStorage storage) {
    // drop all entries in the storage before starting with destroying the original entries
    Map<Object, ContextualInstanceInfo<?>> contextMap =
        new HashMap<Object, ContextualInstanceInfo<?>>(storage.getStorage());
    storage.getStorage().clear();

    for (Map.Entry<Object, ContextualInstanceInfo<?>> entry : contextMap.entrySet()) {
      Contextual bean = storage.getBean(entry.getKey());

      ContextualInstanceInfo<?> contextualInstanceInfo = entry.getValue();
      destroyBean(bean, contextualInstanceInfo);
    }
    return contextMap;
  }
Ejemplo n.º 3
0
  @Override
  public <T> T get(Contextual<T> bean) {
    checkActive();

    ContextualStorage storage = getContextualStorage(bean, false);
    if (storage == null) {
      return null;
    }

    Map<Object, ContextualInstanceInfo<?>> contextMap = storage.getStorage();
    ContextualInstanceInfo<?> contextualInstanceInfo = contextMap.get(storage.getBeanKey(bean));
    if (contextualInstanceInfo == null) {
      return null;
    }

    return (T) contextualInstanceInfo.getContextualInstance();
  }
Ejemplo n.º 4
0
  /**
   * Destroy the Contextual Instance of the given Bean.
   *
   * @param bean dictates which bean shall get cleaned up
   * @return <code>true</code> if the bean was destroyed, <code>false</code> if there was no such
   *     bean.
   */
  public boolean destroy(Contextual bean) {
    ContextualStorage storage = getContextualStorage(bean, false);
    if (storage == null) {
      return false;
    }

    ContextualInstanceInfo<?> contextualInstanceInfo =
        storage.getStorage().remove(storage.getBeanKey(bean));

    if (contextualInstanceInfo == null) {
      return false;
    }

    destroyBean(bean, contextualInstanceInfo);

    return true;
  }