org.argeo.util/src/org/argeo/util/register/ComponentRegister.java

   1 package org.argeo.util.register;
   2
   3 import java.util.Map;
   4 import java.util.SortedSet;
   5 import java.util.function.Predicate;
   6
   7 /** A register of components which can coordinate their activation. */
   8 public interface ComponentRegister {
   9         long register(Component<?> component);
  10
  11         <T> SortedSet<Component<? extends T>> find(Class<T> clss, Predicate<Map<String, Object>> filter);
  12
  13         Component<?> get(Object instance);
  14
  15 //      default <T> PublishedType<T> getType(Class<T> clss) {
  16 //              SortedSet<Component<? extends T>> components = find(clss, null);
  17 //              if (components.size() == 0)
  18 //                      return null;
  19 //              return components.first().getType(clss);
  20 //      }
  21
  22         void activate();
  23
  24         void deactivate();
  25
  26         boolean isActive();
  27
  28         void clear();
  29 }