code: public Object getEJBNextBeanInstance() {
          if (_colIter == null)
              return null;
  
          if (!_colIter.hasNext()) {
              releaseBeanInstance(false);
              return null;
          }
  
          _beanInstance = beanNarrow(_colIter.next());
          return _beanInstance;
      }
docs: EntityEJBControl.getEJBNextBeanInstance()