BackCategoryReadService implements BackCategoryReadFacade { @Override public ICResponse<BackCategoryInfo> findById(BackCategoryQueryRequest request) { ICResponse<BackCategoryInfo> byId = backCategoryReadFacade.findById(request); return byId; }  @Override ICResponse<List<BackCategoryInfo>> findChildrenByPid(BackCategoryQueryChildrenRequest request); @Override ICResponse<BackCategoryInfo> findById(BackCategoryQueryRequest request); @Override ICResponse<List<BackCategoryInfo>> findAncestorsOf(BackCategoryQueryRequest request);  }
@Test public void findById() { BackCategoryQueryRequest request = new BackCategoryQueryRequest(); request.setId(2L); ICResponse<BackCategoryInfo> byId = backCategoryReadService.findById(request); System.out.println(byId); }