BinderImpl.java 文件源码

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public Iterator<Binding<?>> iterator() {
  return Iterators.transform(lookups.entrySet().iterator(), new Function<Entry<Class<?>, Resolver>, Binding<?>>(){
    @Override
    public Binding apply(Entry<Class<?>, Resolver> input) {
      switch(input.getValue().getType()){
      case INSTANCE:
        return new InstanceBinding(input.getKey(), ((InjectableReference)input.getValue()).clazz);
      case SINGLETON:
        return new SingletonBinding(input.getKey(), input.getValue().get(null));
      default:
        throw new IllegalStateException();
      }

    }});
}