BackCategoryReadService implements BackCategoryReadFacade { @Override public ICResponse<List<BackCategoryInfo>> findChildrenByPid(BackCategoryQueryChildrenRequest request) { return backCategoryReadFacade.findChildrenByPid(request); }  @Override ICResponse<List<BackCategoryInfo>> findChildrenByPid(BackCategoryQueryChildrenRequest request); @Override ICResponse<BackCategoryInfo> findById(BackCategoryQueryRequest request); @Override ICResponse<List<BackCategoryInfo>> findAncestorsOf(BackCategoryQueryRequest request);  }
@Test public void findChildrenByPid() { BackCategoryQueryChildrenRequest request = new BackCategoryQueryChildrenRequest(); request.setPid(0L); ICResponse<List<BackCategoryInfo>> childrenByPid = backCategoryReadService.findChildrenByPid(request); printJson(childrenByPid); }