Example usage for org.springframework.data.domain PageImpl PageImpl

Introduction

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

Prototype

public PageImpl(List<T> content, Pageable pageable, long total) 

Source Link

Document

Constructor of PageImpl .

Usage

From source file:org.springframework.cloud.dataflow.server.service.impl.AbstractStreamService.java

@Override
public Page<StreamDefinition> findDefinitionByNameLike(Pageable pageable, String search) {
    Page<StreamDefinition> streamDefinitions;
    if (search != null) {
        final SearchPageable searchPageable = new SearchPageable(pageable, search);
        searchPageable.addColumns("DEFINITION_NAME", "DEFINITION");
        streamDefinitions = streamDefinitionRepository.findByNameLike(searchPageable);
        long count = streamDefinitions.getContent().size();
        long to = Math.min(count, pageable.getOffset() + pageable.getPageSize());
        streamDefinitions = new PageImpl<>(streamDefinitions.getContent(), pageable,
                streamDefinitions.getTotalElements());
    } else {/*from  w  ww.j a  va2  s  . co m*/
        streamDefinitions = streamDefinitionRepository.findAll(pageable);
    }
    return streamDefinitions;
}

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From source file:org.springframework.cloud.dataflow.server.stream.AppDeployerStreamDeployer.java

@Override
public Page<AppStatus> getAppStatuses(Pageable pageable) throws ExecutionException, InterruptedException {

    Iterable<StreamDefinition> streamDefinitions = this.streamDefinitionRepository.findAll();
    Iterable<StreamDeployment> streamDeployments = this.streamDeploymentRepository.findAll();

    List<String> appDeployerStreams = new ArrayList<>();
    for (StreamDeployment streamDeployment : streamDeployments) {
        appDeployerStreams.add(streamDeployment.getStreamName());

    }//  w w w. j  ava2s .co  m

    List<StreamDefinition> appDeployerStreamDefinitions = new ArrayList<>();
    for (StreamDefinition streamDefinition : streamDefinitions) {
        if (appDeployerStreams.contains(streamDefinition.getName())) {
            appDeployerStreamDefinitions.add(streamDefinition);
        }
    }

    // First build a sorted list of deployment id's so that we have a predictable paging order.
    List<String> deploymentIds = appDeployerStreamDefinitions.stream()
            .flatMap(sd -> sd.getAppDefinitions().stream()).flatMap(sad -> {
                String key = DeploymentKey.forStreamAppDefinition(sad);
                String id = this.deploymentIdRepository.findOne(key);
                return id != null ? Stream.of(id) : Stream.empty();
            }).sorted(String::compareTo).collect(Collectors.toList());

    // Running this this inside the FJP will make sure it is used by the parallel stream
    // Skip first items depending on page size, then take page and discard rest.
    List<AppStatus> content = this.forkJoinPool.submit(() -> deploymentIds.stream()
            .skip(pageable.getPageNumber() * pageable.getPageSize()).limit(pageable.getPageSize()).parallel()
            .map(appDeployer::status).collect(Collectors.toList())).get();
    return new PageImpl<>(content, pageable, deploymentIds.size());
}

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From source file:org.springframework.cloud.dataflow.server.stream.SkipperStreamDeployer.java

@Override
public Page<AppStatus> getAppStatuses(Pageable pageable) {
    List<String> skipperStreams = new ArrayList<>();
    Iterable<StreamDefinition> streamDefinitions = this.streamDefinitionRepository.findAll();
    for (StreamDefinition streamDefinition : streamDefinitions) {
        skipperStreams.add(streamDefinition.getName());
    }/*from ww  w  .  jav a  2s.c  om*/

    List<AppStatus> allStatuses = getStreamsStatuses(skipperStreams);

    List<AppStatus> pagedStatuses = allStatuses.stream().skip(pageable.getPageNumber() * pageable.getPageSize())
            .limit(pageable.getPageSize()).parallel().collect(Collectors.toList());

    return new PageImpl<>(pagedStatuses, pageable, allStatuses.size());
}

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From source file:org.springframework.data.document.mongodb.repository.QueryDslMongoRepository.java

public Page<T> findAll(Predicate predicate, Pageable pageable) {

    MongodbQuery<T> countQuery = createQueryFor(predicate);
    MongodbQuery<T> query = createQueryFor(predicate);

    return new PageImpl<T>(applyPagination(query, pageable).list(), pageable, countQuery.count());
}

---

From source file:org.springframework.data.jpa.repository.support.SimpleJpaRepository.java

/**
 * Reads the given {@link TypedQuery} into a {@link Page} applying the given {@link Pageable} and
 * {@link Specification}./*  w w  w.  jav a  2 s  .  c om*/
 * 
 * @param query must not be {@literal null}.
 * @param spec can be {@literal null}.
 * @param pageable can be {@literal null}.
 * @return
 */
protected Page<T> readPage(TypedQuery<T> query, Pageable pageable, Specification<T> spec) {

    query.setFirstResult(pageable.getOffset());
    query.setMaxResults(pageable.getPageSize());

    Long total = QueryUtils.executeCountQuery(getCountQuery(spec));
    List<T> content = total > pageable.getOffset() ? query.getResultList() : Collections.<T>emptyList();

    return new PageImpl<T>(content, pageable, total);
}

---

From source file:org.springframework.data.solr.core.ResultHelper.java

static <T> Map<Object, GroupResult<T>> convertGroupQueryResponseToGroupResultMap(Query query,
        Map<String, Object> objectNames, QueryResponse response, SolrTemplate solrTemplate, Class<T> clazz) {

    GroupResponse groupResponse = response.getGroupResponse();

    if (groupResponse == null) {
        return Collections.emptyMap();
    }//from   ww  w  .  j  a  v a2 s .  co m

    Map<Object, GroupResult<T>> result = new LinkedHashMap<Object, GroupResult<T>>();

    List<GroupCommand> values = groupResponse.getValues();
    for (GroupCommand groupCommand : values) {

        List<GroupEntry<T>> groupEntries = new ArrayList<GroupEntry<T>>();

        for (Group group : groupCommand.getValues()) {

            SolrDocumentList documentList = group.getResult();
            List<T> beans = solrTemplate.convertSolrDocumentListToBeans(documentList, clazz);
            Page<T> page = new PageImpl<T>(beans, query.getGroupOptions().getPageRequest(),
                    documentList.getNumFound());
            groupEntries.add(new SimpleGroupEntry<T>(group.getGroupValue(), page));
        }

        int matches = groupCommand.getMatches();
        Integer ngroups = groupCommand.getNGroups();
        String name = groupCommand.getName();

        PageImpl<GroupEntry<T>> page;
        if (ngroups != null) {
            page = new PageImpl<GroupEntry<T>>(groupEntries, query.getPageRequest(), ngroups.intValue());
        } else {
            page = new PageImpl<GroupEntry<T>>(groupEntries);
        }

        SimpleGroupResult<T> groupResult = new SimpleGroupResult<T>(matches, ngroups, name, page);
        result.put(name, groupResult);
        if (objectNames.containsKey(name)) {
            result.put(objectNames.get(name), groupResult);
        }
    }

    return result;
}

---

From source file:piecework.repository.concrete.ProcessInstanceRepositoryCustomImpl.java

@Override
public Page<ProcessInstance> findByQuery(Query query, Pageable request, boolean includeTotal) {
    long start = 0;
    if (LOG.isDebugEnabled())
        start = System.currentTimeMillis();

    List<ProcessInstance> processInstances = mongoOperations.find(query.with(request), ProcessInstance.class);

    long total = 0;

    // We only need to look up a total if we're not on the first page or the page is full
    if (includeTotal) {
        if (query.getSkip() > 0 || processInstances.size() == query.getLimit())
            total = mongoOperations.count(query, ProcessInstance.class);
        else/*from ww  w .  j a v a2 s  .c o  m*/
            total = processInstances.size();
    }

    Page<ProcessInstance> page = new PageImpl<ProcessInstance>(processInstances, request, total);
    if (LOG.isDebugEnabled())
        LOG.debug("Retrieved instances by criteria in " + (System.currentTimeMillis() - start) + " ms");

    return page;
}

---

From source file:siddur.solidtrust.autoscout.AutoscoutService.java

public Page<ScoutCar> timeOnSale(Pageable pageable, String brand, String model, String build) {
    String baseJpql = "from AutoscoutNl m where m.dateRegisted is not null and m.repetition is null";
    if (!StringUtils.isEmpty(brand)) {
        baseJpql += " and m.brand = '" + brand + "'";
    }/*from w  w  w . ja  v  a2s .  com*/
    if (!StringUtils.isEmpty(model)) {
        baseJpql += " and m.model = '" + model + "'";
    }
    if (!StringUtils.isEmpty(build)) {
        baseJpql += " and m.build = '" + build + "'";
    }

    long count = em.createQuery("select count(m) " + baseJpql, Long.class).getSingleResult();

    String jpql = selectSQL + baseJpql;
    log4j.info(jpql);

    List<Object[]> list = em.createQuery(jpql, Object[].class)
            .setFirstResult(pageable.getPageSize() * pageable.getPageNumber())
            .setMaxResults(pageable.getPageSize()).getResultList();
    List<ScoutCar> results = ScoutCar.toScoutCarList(list, true);
    Page<ScoutCar> page = new PageImpl<ScoutCar>(results, pageable, (int) count);
    return page;
}

---

From source file:siddur.solidtrust.autoscout.AutoscoutService.java

public Page<ScoutCar> top100Detail(Pageable pageable, Fast100 f, String type, int index, String name) {
    String baseJpql = "from AutoscoutNl m where m.dateRegisted is not null" + " and m.repetition is null"
            + " and m.brand = '" + f.getBrand() + "' and m.model = '" + f.getModel() + "' and m.build = '"
            + f.getBuild() + "' and m.enginesize = " + f.getEngineSize() + " and m.fuel = '" + f.getFuelType()
            + "' and m.arrangement = '" + f.getArrangement() + "'";

    if (type.equals("color")) {
        baseJpql += " and m.color='" + name + "'";
    } else {/*w  w w .  j  a  v a  2  s .  co  m*/
        Integer[] range = type.equals("price") ? Sorter.PRICE_RANGE : Sorter.MILEAGE_RANGE;
        if (index == 0) {
            baseJpql += " and m." + type + " < " + range[index];
        } else if (index == range.length) {
            baseJpql += " and m." + type + " >= " + range[index - 1];
        } else {
            baseJpql += " and m." + type + " < " + range[index];
            baseJpql += " and m." + type + " >= " + range[index - 1];
        }
    }

    String jpql = selectSQL + baseJpql;
    log4j.info(jpql);

    List<Object[]> list = em.createQuery(jpql, Object[].class)
            .setFirstResult(pageable.getPageSize() * pageable.getPageNumber())
            .setMaxResults(pageable.getPageSize()).getResultList();
    List<ScoutCar> results = ScoutCar.toScoutCarList(list, true);

    long count = em.createQuery("select count(m) " + baseJpql, Long.class).getSingleResult();
    Page<ScoutCar> page = new PageImpl<ScoutCar>(results, pageable, (int) count);
    return page;
}

---

From source file:siddur.solidtrust.autoscoutde.AutoscoutDeService.java

public Page<ScoutCar> timeOnSale(Pageable pageable, String brand, String model, String build) {
    String baseJpql = "from AutoscoutDe m where m.dateRemoved != '0000-00-00'";
    if (!StringUtils.isEmpty(brand)) {
        baseJpql += " and m.brand = '" + brand + "'";
    }/* ww  w . j ava  2  s . c om*/
    if (!StringUtils.isEmpty(model)) {
        baseJpql += " and m.model = '" + model + "'";
    }
    if (!StringUtils.isEmpty(build)) {
        baseJpql += " and m.build = '" + build + "'";
    }

    long count = em.createQuery("select count(m) " + baseJpql, Long.class).getSingleResult();

    String jpql = selectSQL + baseJpql;
    log4j.info(jpql);

    List<Object[]> list = em.createQuery(jpql, Object[].class)
            .setFirstResult(pageable.getPageSize() * pageable.getPageNumber())
            .setMaxResults(pageable.getPageSize()).getResultList();
    List<ScoutCar> results = ScoutCar.toScoutCarList(list, true);
    Page<ScoutCar> page = new PageImpl<ScoutCar>(results, pageable, (int) count);
    return page;
}

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