Java Code Examples for org.springframework.data.domain.Pageable

@ApiOperation(value = "getNewBlockEventInfo",
        notes = "get registered NewBlockEvent info by page")
@GetMapping(value = {"newBlockEvent/list/{groupId}/{pageNumber}/{pageSize}",
        "newBlockEvent/list/{groupId}"})
public BasePageResponse getNewBlockEventInfo(@PathVariable("groupId") Integer groupId,
                                             @PathVariable(value = "pageNumber", required = false) Integer pageNumber,
                                             @PathVariable(value = "pageSize", required = false) Integer pageSize) {
    log.debug("start getNewBlockEventInfo. groupId:{}", groupId);
    List<NewBlockEventInfo> resList;
    if (pageNumber == null || pageSize == null) {
         resList = eventService.getNewBlockInfoList(groupId);
    } else {
        if (pageNumber < 1) {
            return new BasePageResponse(ConstantCode.PARAM_ERROR, null, 0);
        }
        Pageable pageable = new PageRequest(pageNumber - 1, pageSize,
                new Sort(Sort.Direction.DESC, "createTime"));
        resList = eventService.getNewBlockInfoList(groupId, pageable);
    }
    log.debug("end getNewBlockEventInfo resList count. {}", resList.size());
    return new BasePageResponse(ConstantCode.RET_SUCCESS, resList, resList.size());
}
 

@BeforeEach
public void setup() throws Exception {
    MockitoAnnotations.initMocks(this);
    Method method = this.getClass().getMethod("test", new Class<?>[]{Pageable.class, Integer.class});
    resolver = new TypeResolver();
    RequestHandler handler = new WebMvcRequestHandler(new HandlerMethodResolver(resolver), null, new
        HandlerMethod(this, method));
    DocumentationContext docContext = mock(DocumentationContext.class);
    RequestMappingContext reqContext = new RequestMappingContext(docContext, handler);
    builder = spy(new OperationBuilder(null));
    context = new OperationContext(builder, RequestMethod.GET, reqContext, 0);
    List<TypeNameProviderPlugin> plugins = new LinkedList<>();
    extractor = new TypeNameExtractor(resolver, SimplePluginRegistry.create(plugins), new
        JacksonEnumTypeDeterminer());
    plugin = new PageableParameterBuilderPlugin(extractor, resolver);
}
 

@Test
public void listEnvironmentsWithPageable() {

     PageableDTO pageableDTO = new PageableDTO();
     pageableDTO.setLimit(10);
     pageableDTO.setOffset(0);

     ArrayList<Environment> environments = new ArrayList<>();

     environments.add(environment);

     Page<Environment> page = new PageImpl<>(environments);

     Mockito.when(this.environmentRepository
                            .findAll(Mockito.any(Example.class), Mockito.any(Pageable.class)))
            .thenReturn(page);

     EnvironmentPage environmentPageResp = this.environmentService
               .list(this.environmentDTO, pageableDTO);

     assertEquals(1L, environmentPageResp.getTotalElements());
     Mockito.verify(this.environmentRepository, Mockito.times(1))
            .findAll(Mockito.any(Example.class), Mockito.any(Pageable.class));
}
 

@Test
public void testFindAllBySearchAndPageableAndSortAsc() {
    int count = 15;
    User lastUser = null;
    for (int i = 0; i < count; i++) {
        lastUser = userService.save(createUser());
    }

    Sort sortAsc = new Sort(Sort.Direction.ASC, "id");
    Pageable pageable = new PageRequest(0, 5, sortAsc);
    Map<String, Object> searchParams = new HashMap<String, Object>();
    searchParams.put("username_like", "zhang");
    Searchable search = Searchable.newSearchable(searchParams).setPage(pageable);

    Page<User> userPage = userService.findAll(search);
    assertEquals(5, userPage.getNumberOfElements());
    assertFalse(userPage.getContent().contains(lastUser));
    assertTrue(userPage.getContent().get(0).getId() < userPage.getContent().get(1).getId());
}
 

/**
 * 模糊查询文章
 *
 * @param model   Model
 * @param keyword keyword 关键字
 * @param page    page 当前页码
 * @param size    size 每页显示条数
 * @return 模板路径admin/admin_post
 */
@PostMapping(value = "/search")
public String searchPost(Model model,
                         @RequestParam(value = "keyword") String keyword,
                         @RequestParam(value = "page", defaultValue = "0") Integer page,
                         @RequestParam(value = "size", defaultValue = "10") Integer size) {
    try {
        //排序规则
        Sort sort = new Sort(Sort.Direction.DESC, "postId");
        Pageable pageable = PageRequest.of(page, size, sort);
        model.addAttribute("posts", postService.searchPosts(keyword, pageable));
    } catch (Exception e) {
        log.error("未知错误：{}", e.getMessage());
    }
    return "admin/admin_post";
}
 

/**
 * GET  /badges : get all the badges.
 *
 * @param pageable the pagination information
 * @param skillsId the skillIds to search for
 * @return the ResponseEntity with status 200 (OK) and the list of badges in body
 */
public ResponseEntity<List<BadgeDTO>> getAllBadgesBySkills(
    List<Long> skillsId,
    Pageable pageable) {
    log.debug("REST request to get Badges for Skills: {}", skillsId);

    List<BadgeSkillDTO> badgeSkills = badgeSkillService.findBySkillIdIn(skillsId, pageable);
    List<Long> badgeIds = new ArrayList<>();
    for (BadgeSkillDTO badgeSkill : badgeSkills) {
        badgeIds.add(badgeSkill.getBadgeId());
    }

    Page<BadgeDTO> page = badgeService.findByIdIn(badgeIds, pageable);
    HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/api/badges");
    return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}
 

public List<Solution> getAllSolutions(String active, String uuid, String name, String authorLogin, String modelType, String toolkitType,
                           String publishStatus, String publishRequest, String subject1, String subject2, String subject3, String tag, String filter, Pageable pageable) throws Exception {

    List<Solution> solutionsList = new ArrayList<>();
    try {
        solutionsList = ummClient.getSolutions(active, uuid, name, authorLogin, modelType, toolkitType, publishStatus,
            publishRequest, subject1, subject2, subject3, tag, filter, pageable.getPageNumber(), pageable.getPageSize());

        if (null == solutionsList || solutionsList.isEmpty()) {
            logger.debug(" uum returned empty Solution list");
        } else {
            logger.debug(" uum returned Solution list of size :  {} ", solutionsList.size());
        }
    } catch (Exception e) {
        logger.error(" Exception in getSolutions() ", e);
        throw new Exception("Exception in getSolutions() " + e.getMessage());
    }
    logger.debug(" getSolutions() End ");
    return solutionsList;
}
 

@Override
public List<StudentVo> getAllStudentsByPage(Integer pageNum, Integer pageSize) {
    List<String> collect = agentManageService.listAllAgents().stream().map(AgentVo::getAgentName).collect(Collectors.toList());
    Pageable pageable= PageRequest.of(pageNum-1,pageSize, Sort.by(Sort.Order.desc("studentPrice")));
    Page<Student> all = studentRepository.findAllByOperatorIn(collect,pageable);
    List<StudentVo> studentVos=Lists.newArrayList();
    if (all.isEmpty()){
        return null;
    }
    all.get().filter(student -> student.getStatus().equals(StudentStatus.AVAILABLE.getStatus()))
            .forEach(student -> {
                StudentVo studentVo=new StudentVo();
                BeanUtils.copyProperties(student,studentVo);
                studentVos.add(studentVo);
            });
    return studentVos;
}
 

public Page<ModuleConfig> selectByParams(@NotNull final ModuleConfigParams params) {
    Pageable pageable = new PageRequest(params.getPage() - 1, params.getSize(), new Sort(Sort.Direction.DESC, "id"));
    return moduleConfigRepository.findAll(
            (root, query, cb) -> {
                List<Predicate> predicates = Lists.newArrayList();
                if (params.getAppName() != null && !params.getAppName().isEmpty()) {
                    predicates.add(cb.equal(root.<String>get("appName"), params.getAppName()));
                }
                if (params.getEnvironment() != null && !params.getEnvironment().isEmpty()) {
                    predicates.add(cb.equal(root.<String>get("environment"), params.getEnvironment()));
                }
                return cb.and(predicates.toArray(new Predicate[0]));
            },
            pageable
    );
}
 

@Override
public boolean equals(Object obj) {

	if (this == obj) {
		return true;
	}
	if (obj == null || !(obj instanceof Pageable)) {
		return false;
	}

	Pageable other = (Pageable) obj;
	if (page != other.getPageNumber()) {
		return false;
	}
	if (size != other.getPageSize()) {
		return false;
	}
	if (sort == null) {
		if (other.getSort() != null) {
			return false;
		}
	} else if (!sort.equals(other.getSort())) {
		return false;
	}
	return true;
}
 

/**
 * Return a {@link Page} of {@link SinkDTO} which matches the criteria from the database.
 * @param criteria The object which holds all the filters, which the entities should match.
 * @param page The page, which should be returned.
 * @return the matching entities.
 */
@Transactional(readOnly = true)
public Page<SinkDTO> findByCriteria(SinkCriteria criteria, Pageable page) {
    log.debug("find by criteria : {}, page: {}", criteria, page);
    final Specification<Sink> specification = createSpecification(criteria);
    return sinkRepository.findAll(specification, page)
        .map(sinkMapper::toDto);
}
 

@GetMapping("/list")
public String paging(String name, ModelMap model) {
	Pageable pageable = wrapPageable();
	Page<Role> page = roleService.paging(pageable, name);
	model.put("name", name);
	model.put("page", page);
	return "/admin/role/list";
}
 

private Pageable getPageable(Integer page, Integer size) {
    if (page == null || size == null) {
        return PageRequest.of(0, 20);
    }

    return PageRequest.of(page, size, new Sort(Sort.Direction.DESC, "createdDate"));
}
 

@Log("查询岗位")
@ApiOperation("查询岗位")
@GetMapping
@PreAuthorize("@sk.check('job:list','user:list')")
public ResponseEntity<Object> getJobs(JobQuery criteria, Pageable pageable){
    // 数据权限
    criteria.setDeptIds(dataScope.getDeptIds());
    return new ResponseEntity<>(jobService.queryAll(criteria, pageable),HttpStatus.OK);
}
 

/**
 * GET  /audits : get a page of AuditEvents between the fromDate and toDate.
 *
 * @param fromDate the start of the time period of AuditEvents to get
 * @param toDate the end of the time period of AuditEvents to get
 * @param pageable the pagination information
 * @return the ResponseEntity with status 200 (OK) and the list of AuditEvents in body
 */
@GetMapping(params = {"fromDate", "toDate"})
public ResponseEntity<List<AuditEvent>> getByDates(
    @RequestParam(value = "fromDate") LocalDate fromDate,
    @RequestParam(value = "toDate") LocalDate toDate,
    Pageable pageable) {

    Page<AuditEvent> page = auditEventService.findByDates(
        fromDate.atStartOfDay(ZoneId.systemDefault()).toInstant(),
        toDate.atStartOfDay(ZoneId.systemDefault()).plusDays(1).toInstant(),
        pageable);
    HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/management/audits");
    return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}
 

/**
 * Get sitemap.html.
 *
 * @param model model
 * @return template path: common/web/sitemap_html
 */
@GetMapping(value = "sitemap.html")
public String sitemapHtml(Model model,
                          @PageableDefault(size = Integer.MAX_VALUE, sort = "createTime", direction = DESC) Pageable pageable) {
    model.addAttribute("posts", buildPosts(pageable));
    return "common/web/sitemap_html";
}
 

@Override
public Page<UserActivityDTO> getPublicActivity(Pageable pageable) {
	Page<Action> actions = actionRepository.findAllByTypeIn(Lists.newArrayList(UserActivityType.REGISTER,UserActivityType.BUY,UserActivityType.SELL), pageable);
	List<UserActivityDTO> result = new LinkedList<UserActivityDTO>();
	actions.getContent().forEach(
			a -> {
				if(a instanceof AccountActivity){
					UserActivityDTO accountActivity = new UserActivityDTO(
							a.getUser().getUsername(),
							a.getUser().getProfileImg(),
							((AccountActivity)a).getType(),
							((AccountActivity)a).getDate(),
							a.getId()
					);
					accountActivity.setSocialReport(a.getSocialEventAction());
					result.add(accountActivity);
				}
				else if(a instanceof Transaction){
					UserActivityDTO transaction = new UserActivityDTO((Transaction)a);
					transaction.setSocialReport(a.getSocialEventAction());
					result.add(transaction);
				}
			}
		);
	
	return new PageImpl<>(result, pageable, actions.getTotalElements());
}
 

/**
 * 查询所有员工工资
 */
   @RequestMapping(value = "/selectWage", method = RequestMethod.GET)
public Result selectAllWage(@RequestParam("pageNum") int pageNum, @RequestParam("limit") int limit) {
	Pageable pageable = PageRequest.of(pageNum-1, limit);
	Page<EmployeeWage> page = checkService.selectAllWage(pageable);
	Result result  = new Result(200, "SUCCESS", (int) page.getTotalElements(), page.getContent());
	return result;	
}
 

@Test
public void testFindByName() {
  Pageable pageable = PageRequest.of(0, 10);
  List<AppDTO> appDTOs = appController.find("unexist", pageable);
  Assert.assertNotNull(appDTOs);
  Assert.assertEquals(0, appDTOs.size());
}
 

/**
 * GET  /country-languages : get all the countryLanguages.
 *
 * @param pageable the pagination information
 * @return the ResponseEntity with status 200 (OK) and the list of countryLanguages in body
 */
@GetMapping("/country-languages")
@Timed
public ResponseEntity<List<CountryLanguageDTO>> getAllCountryLanguages(Pageable pageable) {
    log.debug("REST request to get a page of CountryLanguages");
    Page<CountryLanguageDTO> page = countryLanguageService.findAll(pageable);
    HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/api/country-languages");
    return ResponseEntity.ok().headers(headers).body(page.getContent());
}
 

@RequestMapping(value="/{exchange}", method=GET)
@ApiOperation(value = "Get one exchange", notes = "Returns an exchange place")
public ExchangeResource get(
		@ApiParam(value="Exchange id: LSE") @PathVariable(value="exchange") String exchangeId,
		@ApiIgnore @PageableDefault(size=10, page=0, sort={"name"}, direction=Direction.ASC) Pageable pageable){
	return assembler.toResource(exchangeService.get(exchangeId));
}
 

private Iterator<TaskExecution> getPageIterator(int pageNum, int pageSize,
		Sort sort) {
	Pageable pageable = (sort == null) ? PageRequest.of(pageNum, pageSize)
			: PageRequest.of(pageNum, pageSize, sort);
	Page<TaskExecution> page = this.dao.findAll(pageable);
	assertThat(page.getTotalElements()).isEqualTo(3);
	assertThat(page.getTotalPages()).isEqualTo(2);
	return page.iterator();
}
 

@Log("查询图片")
@PreAuthorize("@el.check('pictures:list')")
@GetMapping
@ApiOperation("查询图片")
public ResponseEntity<Object> getRoles(PictureQueryCriteria criteria, Pageable pageable){
    return new ResponseEntity<>(pictureService.queryAll(criteria,pageable),HttpStatus.OK);
}
 

@GetMapping("/releases/histories/by_release_id_and_operation")
public PageDTO<ReleaseHistoryDTO> findReleaseHistoryByReleaseIdAndOperation(
    @RequestParam("releaseId") long releaseId,
    @RequestParam("operation") int operation,
    Pageable pageable) {

  Page<ReleaseHistory> result = releaseHistoryService.findByReleaseIdAndOperation(releaseId, operation, pageable);

  return transform2PageDTO(result, pageable);
}
 

@Override
@Transactional
public Page<StockProduct> gather(String indexId, String exchangeId,
		MarketId marketId, String startWith,
		Specification<StockProduct> spec, Pageable pageable) {

	Page<StockProduct> stocks = get(indexId, exchangeId, marketId, startWith, spec, pageable, false);
	
	if(AuthenticationUtil.userHasRole(Role.ROLE_OAUTH2)){
		updateStocksAndQuotesFromYahoo(stocks.getContent().stream().collect(Collectors.toSet()));
		return get(indexId, exchangeId, marketId, startWith, spec, pageable, false);
	}
	
	return stocks;
}
 

@RequestMapping(value = "/{user_id}/quizzes", method = RequestMethod.GET)
@PreAuthorize("permitAll")
@ResponseStatus(HttpStatus.OK)
public Page<Quiz> getQuizzesByUser(Pageable pageable, @PathVariable Long user_id) {
	logger.debug("Requested page " + pageable.getPageNumber() + " from user " + user_id);
	
	User user = userService.find(user_id);
	return quizService.findQuizzesByUser(user, pageable);
}
 

@Override
public Page<UserCar> findCarByUser(String userId, Integer page, Integer size) {
	// 初始化
	Pageable pageable = Pageables.pageable(page, size);
	List<UserCar> cars = userCarRepository.findByUserId(userId);
	Long total = Long.valueOf(cars.size());
	Page<UserCar> pageCar = new PageImpl<UserCar>(cars, pageable, total);
	return pageCar;
}
 

@Test
public void mustNotThrowErrorWhenPageIsOutOfBounds() {
  int scoresLen = SCORE_DOCS.length;
  Pageable pageable = PageRequest.of(2, scoresLen / 2);
  List scoresAfterSkip = pageableRepository.getPageableScores(pageable);
  assertNotNull(scoresAfterSkip);
  assertEquals(scoresAfterSkip.size(), 0);
}
 

@RequestMapping
public String search(
		@RequestParam String keyword,
		@PageableDefault(50) Pageable pageable,
		BlogLanguage blogLanguage,
		Model model,
		HttpServletRequest servletRequest) {
	PostSearchRequest request = new PostSearchRequest(blogLanguage.getLanguage()).withKeyword(keyword);
	Page<Post> posts = postService.getPosts(request, pageable);
	model.addAttribute("keyword", keyword);
	model.addAttribute("posts", posts);
	model.addAttribute("pageable", pageable);
	model.addAttribute("pagination", new Pagination<>(posts, servletRequest));
	return "search";
}
 

/**
 * {@code GET /audits} : get a page of {@link AuditEvent}s.
 *
 * @param pageable the pagination information.
 * @return the {@link ResponseEntity} with status {@code 200 (OK)} and the list of {@link AuditEvent}s in body.
 */
@GetMapping
public ResponseEntity<List<AuditEvent>> getAll(@RequestParam MultiValueMap<String, String> queryParams, UriComponentsBuilder uriBuilder, Pageable pageable) {
    Page<AuditEvent> page = auditEventService.findAll(pageable);
    HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(uriBuilder.queryParams(queryParams), page);
    return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}