org.apache.commons.lang3.ClassUtils#hierarchy ( )源码实例Demo

public EntityUUID(final URI entitySetURI, final Class<?> type, final Object key) {
  this.entitySetURI = entitySetURI;
  this.key = key;
  this.tempKey = (int) (Math.random() * 1000000);

  if (type == null || !Serializable.class.isAssignableFrom(type)) {
    throw new IllegalArgumentException("Invalid Entity type class: " + type);
  }
  if (this.type == null) {
    for (Class<?> clazz : ClassUtils.hierarchy(type, ClassUtils.Interfaces.INCLUDE)) {
      if (ArrayUtils.contains(clazz.getInterfaces(), EntityType.class)) {
        this.type = clazz;
      }
    }
  }
}
 

/**
 * Creates a Bindings object containing the entire class hierarchy of the given view type. All extended classes and interfaces
 * implemented by the given type will be bound to the specified view.
 *
 * @param viewType The class representing the type of view to bind
 * @param view The view object to bind
 * @param <T> The type of view to bind
 * @return A bindings object
 */
@SuppressWarnings("unchecked")
public static <T> Bindings hierarchy(Class<? super T> viewType, T view) {
    Bindings bindings = new Bindings();
    for (Class<?> superType : ClassUtils.hierarchy(viewType, ClassUtils.Interfaces.INCLUDE)) {
        bindings.addBinding((Class<? super T>) superType, view);
    }
    return bindings;
}