本文整理汇总了Java中org.springframework.data.domain.Page.getNumberOfElements方法的典型用法代码示例。如果您正苦于以下问题：Java Page.getNumberOfElements方法的具体用法？Java Page.getNumberOfElements怎么用？Java Page.getNumberOfElements使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.springframework.data.domain.Page的用法示例。
在下文中一共展示了Page.getNumberOfElements方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doSubjectMigration
import org.springframework.data.domain.Page; //导入方法依赖的package包/类
public void doSubjectMigration(final SubjectRepository subjectRepository,
final GraphSubjectRepository subjectHierarchicalRepository, final int pageSize) {
int numOfSubjectsSaved = 0;
Pageable pageRequest = new PageRequest(0, pageSize, new Sort("id"));
long numOfSubjectEntitiesToMigrate = subjectRepository.count();
Page<SubjectEntity> pageOfSubjects;
do {
pageOfSubjects = subjectRepository.findAll(pageRequest);
List<SubjectEntity> subjectListToSave = pageOfSubjects.getContent();
numOfSubjectsSaved += pageOfSubjects.getNumberOfElements();
subjectListToSave.forEach(item -> {
item.setId(0);
LOGGER.trace("doSubjectMigration Subject-Id: {} Zone-name: {} Zone-id: {}", item.getSubjectIdentifier(),
item.getZone().getName(), item.getZone().getId());
});
subjectHierarchicalRepository.save(subjectListToSave);
LOGGER.info("Total subjects migrated so far: {}/{}", numOfSubjectsSaved, numOfSubjectEntitiesToMigrate);
pageRequest = pageOfSubjects.nextPageable();
} while (pageOfSubjects.hasNext());
LOGGER.info("Number of subject entities migrated: {}", numOfSubjectsSaved);
LOGGER.info("Subject migration to Titan completed.");
}
示例2: getAllBooks
import org.springframework.data.domain.Page; //导入方法依赖的package包/类
@GetMapping
public ResponseEntity<List<Book>> getAllBooks(
@PageableDefault(size = MAX_PAGE_SIZE) Pageable pageable,
@RequestParam(required = false, defaultValue = "id") String sort,
@RequestParam(required = false, defaultValue = "asc") String order) {
final PageRequest pr = PageRequest.of(
pageable.getPageNumber(), pageable.getPageSize(),
Sort.by("asc" .equals(order) ? Sort.Direction.ASC : Sort.Direction.DESC, sort)
);
Page<Book> booksPage = bookRepository.findAll(pr);
if (booksPage.getContent().isEmpty()) {
return new ResponseEntity(HttpStatus.NO_CONTENT);
} else {
long totalBooks = booksPage.getTotalElements();
int nbPageBooks = booksPage.getNumberOfElements();
HttpHeaders headers = new HttpHeaders();
headers.add("X-Total-Count", String.valueOf(totalBooks));
if (nbPageBooks < totalBooks) {
headers.add("first", buildPageUri(PageRequest.of(0, booksPage.getSize())));
headers.add("last", buildPageUri(PageRequest.of(booksPage.getTotalPages() - 1, booksPage.getSize())));
if (booksPage.hasNext()) {
headers.add("next", buildPageUri(booksPage.nextPageable()));
}
if (booksPage.hasPrevious()) {
headers.add("prev", buildPageUri(booksPage.previousPageable()));
}
return new ResponseEntity<>(booksPage.getContent(), headers, HttpStatus.PARTIAL_CONTENT);
} else {
return new ResponseEntity(booksPage.getContent(), headers, HttpStatus.OK);
}
}
}
示例3: doResourceMigration
import org.springframework.data.domain.Page; //导入方法依赖的package包/类
public void doResourceMigration(final ResourceRepository resourceRepository,
final GraphResourceRepository resourceHierarchicalRepository, final int pageSize) {
int numOfResourcesSaved = 0;
Pageable pageRequest = new PageRequest(0, pageSize, new Sort("id"));
long numOfResourceEntitiesToMigrate = resourceRepository.count();
Page<ResourceEntity> pageOfResources;
do {
pageOfResources = resourceRepository.findAll(pageRequest);
List<ResourceEntity> resourceListToSave = pageOfResources.getContent();
numOfResourcesSaved += pageOfResources.getNumberOfElements();
resourceListToSave.forEach(item -> {
// Clear the auto-generated id field prior to migrating to graphDB
item.setId((long) 0);
LOGGER.trace("doResourceMigration Resource-Id: {} Zone-name: {} Zone-id: {}",
item.getResourceIdentifier(), item.getZone().getName(), item.getZone().getId());
});
resourceHierarchicalRepository.save(resourceListToSave);
LOGGER.info("Total resources migrated so far: {}/{}", numOfResourcesSaved, numOfResourceEntitiesToMigrate);
pageRequest = pageOfResources.nextPageable();
} while (pageOfResources.hasNext());
LOGGER.info("Number of resource entities migrated: {}", numOfResourcesSaved);
LOGGER.info("Resource migration to Titan completed.");
}