Example usage for org.springframework.data.domain Page hasNext

List of usage examples for org.springframework.data.domain Page hasNext

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Introduction

In this page you can find the example usage for org.springframework.data.domain Page hasNext.

Prototype

boolean hasNext();

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Document

Returns if there is a next Slice .

Usage

From source file:org.yukung.daguerreo.domain.repository.BasicJooqRepositoryTest.java

@Test
public void findAllByPageable() throws Exception {
    // given// w  ww.j  a v  a2s  .  c  o m
    dbSetupTracker.skipNextLaunch();

    // when
    PageRequest page1 = new PageRequest(0, 2);
    PageRequest page2 = new PageRequest(1, 2);
    Page<BookApi> bookApis1 = repository.findAll(page1);
    Page<BookApi> bookApis2 = repository.findAll(page2);

    // then
    assertThat(bookApis1).isNotNull().isNotEmpty().hasSize(2).extracting("id", "name", "url").containsExactly(
            tuple(1, "Amazon Product Advertising API", "https://ecs.amazonaws.jp/onca/xml"),
            tuple(2, "Google Books API", "https://www.googleapis.com/books/v1/volumes"));
    assertThat(bookApis1.getNumber()).isEqualTo(0);
    assertThat(bookApis1.getNumberOfElements()).isEqualTo(2);
    assertThat(bookApis1.getSize()).isEqualTo(2);
    assertThat(bookApis1.getTotalPages()).isEqualTo(2);
    assertThat(bookApis1.getTotalElements()).isEqualTo(3);
    assertThat(bookApis1.isFirst()).isTrue();
    assertThat(bookApis1.isLast()).isFalse();
    assertThat(bookApis1.hasNext()).isTrue();
    assertThat(bookApis1.hasPrevious()).isFalse();
    assertThat(bookApis2).isNotNull().isNotEmpty().hasSize(1).extracting("id", "name", "url")
            .containsExactly(tuple(3, "?API",
                    "https://app.rakuten.co.jp/services/api/BooksBook/Search/20130522"));
    assertThat(bookApis2.getNumber()).isEqualTo(1);
    assertThat(bookApis2.getNumberOfElements()).isEqualTo(1);
    assertThat(bookApis2.getSize()).isEqualTo(2);
    assertThat(bookApis2.getTotalPages()).isEqualTo(2);
    assertThat(bookApis2.getTotalElements()).isEqualTo(3);
    assertThat(bookApis2.isFirst()).isFalse();
    assertThat(bookApis2.isLast()).isTrue();
    assertThat(bookApis2.hasNext()).isFalse();
    assertThat(bookApis2.hasPrevious()).isTrue();
}

From source file:org.yukung.daguerreo.domain.repository.BasicJooqRepositoryTest.java

@Test
public void findAllByPageableAndDescendingSort() throws Exception {
    // given//  w  w  w  .  ja  va2 s .  com
    dbSetupTracker.skipNextLaunch();

    // when
    PageRequest page1 = new PageRequest(0, 2, Sort.Direction.DESC, "id");
    PageRequest page2 = new PageRequest(1, 2, Sort.Direction.DESC, "id");
    Page<BookApi> bookApis1 = repository.findAll(page1);
    Page<BookApi> bookApis2 = repository.findAll(page2);

    // then
    assertThat(bookApis1).isNotNull().isNotEmpty().hasSize(2).extracting("id", "name", "url").containsExactly(
            tuple(3, "?API",
                    "https://app.rakuten.co.jp/services/api/BooksBook/Search/20130522"),
            tuple(2, "Google Books API", "https://www.googleapis.com/books/v1/volumes"));
    assertThat(bookApis1.getNumber()).isEqualTo(0);
    assertThat(bookApis1.getNumberOfElements()).isEqualTo(2);
    assertThat(bookApis1.getSize()).isEqualTo(2);
    assertThat(bookApis1.getTotalPages()).isEqualTo(2);
    assertThat(bookApis1.getTotalElements()).isEqualTo(3);
    assertThat(bookApis1.isFirst()).isTrue();
    assertThat(bookApis1.isLast()).isFalse();
    assertThat(bookApis1.hasNext()).isTrue();
    assertThat(bookApis1.hasPrevious()).isFalse();
    assertThat(bookApis2).isNotNull().isNotEmpty().hasSize(1).extracting("id", "name", "url")
            .containsExactly(tuple(1, "Amazon Product Advertising API", "https://ecs.amazonaws.jp/onca/xml"));
    assertThat(bookApis2.getNumber()).isEqualTo(1);
    assertThat(bookApis2.getNumberOfElements()).isEqualTo(1);
    assertThat(bookApis2.getSize()).isEqualTo(2);
    assertThat(bookApis2.getTotalPages()).isEqualTo(2);
    assertThat(bookApis2.getTotalElements()).isEqualTo(3);
    assertThat(bookApis2.isFirst()).isFalse();
    assertThat(bookApis2.isLast()).isTrue();
    assertThat(bookApis2.hasNext()).isFalse();
    assertThat(bookApis2.hasPrevious()).isTrue();
}

From source file:org.yukung.daguerreo.domain.repository.BasicJooqRepositoryTest.java

@Test
public void findAllByPageableNothing() throws Exception {
    // given/*from  ww w  .jav  a  2 s .  c  om*/
    dbSetupTracker.skipNextLaunch();
    Pageable nothing = null;

    // when
    Page<BookApi> bookApis = repository.findAll(nothing);

    // then
    assertThat(bookApis).isNotNull().isNotEmpty().hasSize(3).extracting("id", "name", "url").containsExactly(
            tuple(1, "Amazon Product Advertising API", "https://ecs.amazonaws.jp/onca/xml"),
            tuple(2, "Google Books API", "https://www.googleapis.com/books/v1/volumes"),
            tuple(3, "?API",
                    "https://app.rakuten.co.jp/services/api/BooksBook/Search/20130522"));
    assertThat(bookApis.getNumber()).isEqualTo(0);
    assertThat(bookApis.getNumberOfElements()).isEqualTo(3);
    assertThat(bookApis.getSize()).isEqualTo(0);
    assertThat(bookApis.getTotalPages()).isEqualTo(1);
    assertThat(bookApis.getTotalElements()).isEqualTo(3);
    assertThat(bookApis.isFirst()).isTrue();
    assertThat(bookApis.isLast()).isTrue();
    assertThat(bookApis.hasNext()).isFalse();
    assertThat(bookApis.hasPrevious()).isFalse();
}

From source file:com.daphne.es.showcase.excel.service.ExcelDataService.java

/**
 * excel 2003// w w  w.  ja  v a  2  s.  c o  m
 * 1????XML
 * 2??????excel???????
 * 3????testExportExcel2003_3
 * <p/>
 * ?
 * <p/>
 * ?html??sheet
 * @param user
 * @param contextRootPath
 * @param searchable
 */
@Async
public void exportExcel2003WithXml(final User user, final String contextRootPath, final Searchable searchable) {

    int perSheetRows = 60000; //?sheet 6w?
    int totalSheets = 0;
    int totalRows = 0;
    Long maxId = 0L;
    String templateEncoding = "utf-8";

    String fileName = generateFilename(user, contextRootPath, "xls");
    File file = new File(fileName);
    BufferedOutputStream out = null;
    try {
        long beginTime = System.currentTimeMillis();

        String workBookHeader = IOUtils
                .toString(ExcelDataService.class.getResourceAsStream("excel_2003_xml_workbook_header.txt"));
        String workBookFooter = IOUtils
                .toString(ExcelDataService.class.getResourceAsStream("excel_2003_xml_workbook_footer.txt"));
        String sheetHeader = IOUtils
                .toString(ExcelDataService.class.getResourceAsStream("excel_2003_xml_sheet_header.txt"));
        String sheetFooter = IOUtils
                .toString(ExcelDataService.class.getResourceAsStream("excel_2003_xml_sheet_footer.txt"));
        String rowTemplate = IOUtils
                .toString(ExcelDataService.class.getResourceAsStream("excel_2003_xml_row.txt"));

        out = new BufferedOutputStream(new FileOutputStream(file));

        out.write(workBookHeader.getBytes(templateEncoding));

        while (true) {
            totalSheets++;

            out.write(sheetHeader.replace("{sheetName}", "Sheet" + totalSheets).getBytes(templateEncoding));

            Page<ExcelData> page = null;

            totalRows = 1;
            do {
                searchable.setPage(0, pageSize);
                //
                if (!searchable.containsSearchKey("id_in")) {
                    searchable.addSearchFilter("id", SearchOperator.gt, maxId);
                }
                page = findAll(searchable);

                for (ExcelData data : page.getContent()) {
                    out.write(rowTemplate.replace("{id}", String.valueOf(data.getId()))
                            .replace("{content}", data.getContent()).getBytes(templateEncoding));
                    maxId = Math.max(maxId, data.getId());
                    totalRows++;
                }
                //clear entity manager
                RepositoryHelper.clear();
            } while (page.hasNext() && totalRows <= perSheetRows);

            out.write(sheetFooter.getBytes(templateEncoding));

            if (!page.hasNext()) {
                break;
            }
        }

        out.write(workBookFooter.getBytes(templateEncoding));

        IOUtils.closeQuietly(out);

        if (needCompress(file)) {
            fileName = compressAndDeleteOriginal(fileName);
        }

        long endTime = System.currentTimeMillis();

        Map<String, Object> context = Maps.newHashMap();
        context.put("seconds", (endTime - beginTime) / 1000);
        context.put("url", fileName.replace(contextRootPath, ""));
        notificationApi.notify(user.getId(), "excelExportSuccess", context);
    } catch (Exception e) {
        e.printStackTrace();
        IOUtils.closeQuietly(out);
        log.error("excel export error", e);
        Map<String, Object> context = Maps.newHashMap();
        context.put("error", e.getMessage());
        notificationApi.notify(user.getId(), "excelExportError", context);
    }
}

From source file:com.daphne.es.showcase.excel.service.ExcelDataService.java

@Async
public void exportCvs(final User user, final String contextRootPath, final Searchable searchable) {
    String encoding = "gbk";
    int perSheetRows = 60000; //?sheet 6w?
    int totalRows = 0;
    String separator = ",";
    Long maxId = 0L;/* w ww  .j  a v  a  2 s.c o  m*/

    String fileName = generateFilename(user, contextRootPath, "csv");
    File file = new File(fileName);
    BufferedOutputStream out = null;
    try {
        long beginTime = System.currentTimeMillis();

        out = new BufferedOutputStream(new FileOutputStream(file));
        out.write("?,\n".getBytes(encoding));

        while (true) {
            totalRows = 0;
            Page<ExcelData> page = null;
            do {
                searchable.setPage(0, pageSize);
                //
                if (!searchable.containsSearchKey("id_in")) {
                    searchable.addSearchFilter("id", SearchOperator.gt, maxId);
                }
                page = findAll(searchable);
                for (ExcelData data : page.getContent()) {
                    out.write(String.valueOf(data.getId()).getBytes(encoding));
                    out.write(separator.getBytes(encoding));
                    out.write((data.getContent()).replace(separator, ";").getBytes(encoding));
                    out.write("\n".getBytes(encoding));
                    maxId = Math.max(maxId, data.getId());
                    totalRows++;
                }
                //clear entity manager
                RepositoryHelper.clear();
            } while (page.hasNext() && totalRows <= perSheetRows);

            if (!page.hasNext()) {
                break;
            }
        }

        IOUtils.closeQuietly(out);

        if (needCompress(file)) {
            fileName = compressAndDeleteOriginal(fileName);
        }

        long endTime = System.currentTimeMillis();

        Map<String, Object> context = Maps.newHashMap();
        context.put("seconds", (endTime - beginTime) / 1000);
        context.put("url", fileName.replace(contextRootPath, ""));
        notificationApi.notify(user.getId(), "excelExportSuccess", context);
    } catch (Exception e) {
        IOUtils.closeQuietly(out);
        log.error("excel export error", e);
        Map<String, Object> context = Maps.newHashMap();
        context.put("error", e.getMessage());
        notificationApi.notify(user.getId(), "excelExportError", context);
    }
}

From source file:com.daphne.es.showcase.excel.service.ExcelDataService.java

/**
 * excel 2003/*from  w w w . ja va  2  s  .  co  m*/
 * ????
 * ?sheet65536(usermodel? ?flush ????)
 * @param user
 * @param contextRootPath
 * @param searchable
 */
@Async
public void exportExcel2003WithUsermodel(final User user, final String contextRootPath,
        final Searchable searchable) {
    int perSheetRows = 60000; //?sheet 6w?
    int totalRows = 0;
    Long maxId = 0L;

    String fileName = generateFilename(user, contextRootPath, "xls");
    File file = new File(fileName);
    BufferedOutputStream out = null;
    try {
        long beginTime = System.currentTimeMillis();

        HSSFWorkbook wb = new HSSFWorkbook();
        while (true) {
            Sheet sheet = wb.createSheet();
            Row headerRow = sheet.createRow(0);
            Cell idHeaderCell = headerRow.createCell(0);
            idHeaderCell.setCellValue("?");
            Cell contentHeaderCell = headerRow.createCell(1);
            contentHeaderCell.setCellValue("");

            totalRows = 1;
            Page<ExcelData> page = null;
            do {
                searchable.setPage(0, pageSize);
                //
                if (!searchable.containsSearchKey("id_in")) {
                    searchable.addSearchFilter("id", SearchOperator.gt, maxId);
                }
                page = findAll(searchable);

                for (ExcelData data : page.getContent()) {
                    Row row = sheet.createRow(totalRows);
                    Cell idCell = row.createCell(0);
                    idCell.setCellValue(data.getId());
                    Cell contentCell = row.createCell(1);
                    contentCell.setCellValue(data.getContent());
                    maxId = Math.max(maxId, data.getId());
                    totalRows++;
                }
                //clear entity manager
                RepositoryHelper.clear();
            } while (page.hasNext() && totalRows <= perSheetRows);

            if (!page.hasNext()) {
                break;
            }
        }

        out = new BufferedOutputStream(new FileOutputStream(file));
        wb.write(out);

        IOUtils.closeQuietly(out);

        if (needCompress(file)) {
            fileName = compressAndDeleteOriginal(fileName);
        }

        long endTime = System.currentTimeMillis();

        Map<String, Object> context = Maps.newHashMap();
        context.put("seconds", (endTime - beginTime) / 1000);
        context.put("url", fileName.replace(contextRootPath, ""));
        notificationApi.notify(user.getId(), "excelExportSuccess", context);
    } catch (Exception e) {
        IOUtils.closeQuietly(out);
        log.error("excel export error", e);
        Map<String, Object> context = Maps.newHashMap();
        context.put("error", e.getMessage());
        notificationApi.notify(user.getId(), "excelExportError", context);
    }
}

From source file:com.daphne.es.showcase.excel.service.ExcelDataService.java

/**
 * ???//from  w w  w .  j  a v  a 2s  .  c om
 * excel 2007 ?sheet1048576
 * @param user
 * @param contextRootPath
 * @param searchable
 */
@Async
public void exportExcel2007(final User user, final String contextRootPath, final Searchable searchable) {

    int rowAccessWindowSize = 1000; //???
    int perSheetRows = 100000; //?sheet 10w?
    int totalRows = 0; //
    Long maxId = 0L;//??id 

    String fileName = generateFilename(user, contextRootPath, "xlsx");
    File file = new File(fileName);
    BufferedOutputStream out = null;
    SXSSFWorkbook wb = null;
    try {
        long beginTime = System.currentTimeMillis();

        wb = new SXSSFWorkbook(rowAccessWindowSize);
        wb.setCompressTempFiles(true);//?gzip

        while (true) {

            Sheet sheet = wb.createSheet();
            Row headerRow = sheet.createRow(0);
            Cell idHeaderCell = headerRow.createCell(0);
            idHeaderCell.setCellValue("?");
            Cell contentHeaderCell = headerRow.createCell(1);
            contentHeaderCell.setCellValue("");

            totalRows = 1;

            Page<ExcelData> page = null;

            do {
                searchable.setPage(0, pageSize);
                //
                if (!searchable.containsSearchKey("id_in")) {
                    searchable.addSearchFilter("id", SearchOperator.gt, maxId);
                }
                page = findAll(searchable);

                for (ExcelData data : page.getContent()) {
                    Row row = sheet.createRow(totalRows);
                    Cell idCell = row.createCell(0);
                    idCell.setCellValue(data.getId());
                    Cell contentCell = row.createCell(1);
                    contentCell.setCellValue(data.getContent());
                    maxId = Math.max(maxId, data.getId());
                    totalRows++;
                }
                //clear entity manager
                RepositoryHelper.clear();
            } while (page.hasNext() && totalRows <= perSheetRows);

            if (!page.hasNext()) {
                break;
            }
        }
        out = new BufferedOutputStream(new FileOutputStream(file));
        wb.write(out);

        IOUtils.closeQuietly(out);

        if (needCompress(file)) {
            fileName = compressAndDeleteOriginal(fileName);
        }

        long endTime = System.currentTimeMillis();

        Map<String, Object> context = Maps.newHashMap();
        context.put("seconds", (endTime - beginTime) / 1000);
        context.put("url", fileName.replace(contextRootPath, ""));
        notificationApi.notify(user.getId(), "excelExportSuccess", context);
    } catch (Exception e) {
        IOUtils.closeQuietly(out);
        log.error("excel export error", e);
        Map<String, Object> context = Maps.newHashMap();
        context.put("error", e.getMessage());
        notificationApi.notify(user.getId(), "excelExportError", context);
    } finally {
        // ?
        wb.dispose();
    }
}

From source file:com.daphne.es.showcase.excel.service.ExcelDataService.java

/**
 * workbook//w  w w . j  a v a 2s.  c  o  m
 * 1?vbs ?
 * 2?c#??
 * ? ????office 2007 ?
 * @param user
 * @param contextRootPath
 * @param searchable
 */
@Async
public void exportExcel2003WithOneSheetPerWorkBook(final User user, final String contextRootPath,
        final Searchable searchable) {
    int workbookCount = 0;
    List<String> workbookFileNames = new ArrayList<String>();
    int perSheetRows = 60000; //?sheet 6w?
    int totalRows = 0;
    String extension = "xls";

    int pageSize = 1000;
    Long maxId = 0L;

    BufferedOutputStream out = null;
    try {
        long beginTime = System.currentTimeMillis();

        while (true) {
            workbookCount++;
            String fileName = generateFilename(user, contextRootPath, workbookCount, extension);
            workbookFileNames.add(fileName);
            File file = new File(fileName);

            HSSFWorkbook wb = new HSSFWorkbook();
            Sheet sheet = wb.createSheet();
            Row headerRow = sheet.createRow(0);
            Cell idHeaderCell = headerRow.createCell(0);
            idHeaderCell.setCellValue("?");
            Cell contentHeaderCell = headerRow.createCell(1);
            contentHeaderCell.setCellValue("");

            totalRows = 1;

            Page<ExcelData> page = null;

            do {
                searchable.setPage(0, pageSize);
                //
                if (!searchable.containsSearchKey("id_in")) {
                    searchable.addSearchFilter("id", SearchOperator.gt, maxId);
                }
                page = findAll(searchable);

                for (ExcelData data : page.getContent()) {
                    Row row = sheet.createRow(totalRows);
                    Cell idCell = row.createCell(0);
                    idCell.setCellValue(data.getId());
                    Cell contentCell = row.createCell(1);
                    contentCell.setCellValue(data.getContent());
                    maxId = Math.max(maxId, data.getId());
                    totalRows++;
                }
                //clear entity manager
                RepositoryHelper.clear();
            } while (page.hasNext() && totalRows <= perSheetRows);

            out = new BufferedOutputStream(new FileOutputStream(file));
            wb.write(out);

            IOUtils.closeQuietly(out);

            if (!page.hasNext()) {
                break;
            }
        }

        String fileName = workbookFileNames.get(0);
        if (workbookCount > 1 || needCompress(new File(fileName))) {
            fileName = fileName.substring(0, fileName.lastIndexOf("_")) + ".zip";
            //
            compressAndDeleteOriginal(fileName, workbookFileNames.toArray(new String[0]));
        } else {
            String newFileName = fileName.substring(0, fileName.lastIndexOf("_")) + "." + extension;
            FileUtils.moveFile(new File(fileName), new File(newFileName));
            fileName = newFileName;
        }

        long endTime = System.currentTimeMillis();

        Map<String, Object> context = Maps.newHashMap();
        context.put("seconds", (endTime - beginTime) / 1000);
        context.put("url", fileName.replace(contextRootPath, ""));
        notificationApi.notify(user.getId(), "excelExportSuccess", context);
    } catch (Exception e) {
        e.printStackTrace();
        //
        IOUtils.closeQuietly(out);
        log.error("excel export error", e);
        Map<String, Object> context = Maps.newHashMap();
        context.put("error", e.getMessage());
        notificationApi.notify(user.getId(), "excelExportError", context);
    }
}