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

Introduction

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

Prototype

public SliceImpl(List<T> content, Pageable pageable, boolean hasNext) 

Source Link

Document

Creates a new Slice with the given content and Pageable .

Usage

From source file:at.plechinger.minigeocode.repository.GeocodeRepository.java

public Slice<GeocodeResult> findSlice(String query, Pageable pageable) {
    String sql = GEOCODE_SQL + pageableString(pageable);
    List<GeocodeResult> result = getJdbcTemplate().query(sql, new Object[] { query }, geocodeRowMapper);
    boolean last = result.size() < pageable.getPageSize();
    return new SliceImpl<GeocodeResult>(result, pageable, !last);
}

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From source file:at.plechinger.minigeocode.repository.GeocodeRepository.java

public Slice<ReverseGeocodeResult> findReverseSlice(Double longitude, Double latitude, Pageable pageable) {
    String sql = REVERSE_GEOCODE_SQL + pageableString(pageable);
    List<ReverseGeocodeResult> result = getJdbcTemplate().query(sql, new Object[] { longitude, latitude },
            reverseGeocodeRowMapper);/*from w  w  w.ja  v a2 s.  c o  m*/
    boolean last = result.size() < pageable.getPageSize();
    return new SliceImpl<ReverseGeocodeResult>(result, pageable, !last);
}

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From source file:org.eclipse.hawkbit.repository.jpa.JpaTargetManagement.java

@Override
public Slice<Target> findTargetsAllOrderByLinkedDistributionSet(final Pageable pageable,
        final Long orderByDistributionId, final FilterParams filterParams) {
    final CriteriaBuilder cb = entityManager.getCriteriaBuilder();
    final CriteriaQuery<JpaTarget> query = cb.createQuery(JpaTarget.class);
    final Root<JpaTarget> targetRoot = query.from(JpaTarget.class);

    // select case expression to retrieve the case value as a column to be
    // able to order based on
    // this column, installed first,...
    final Expression<Object> selectCase = cb.selectCase()
            .when(cb.equal(targetRoot.get(JpaTarget_.installedDistributionSet).get(JpaDistributionSet_.id),
                    orderByDistributionId), 1)
            .when(cb.equal(targetRoot.get(JpaTarget_.assignedDistributionSet).get(JpaDistributionSet_.id),
                    orderByDistributionId), 2)
            .otherwise(100);//from   w  ww.j a v a  2 s  . c o m
    // multiselect statement order by the select case and controllerId
    query.distinct(true);
    // build the specifications and then to predicates necessary by the
    // given filters
    final Predicate[] specificationsForMultiSelect = specificationsToPredicate(
            buildSpecificationList(filterParams), targetRoot, query, cb);

    // if we have some predicates then add it to the where clause of the
    // multiselect
    if (specificationsForMultiSelect.length > 0) {
        query.where(specificationsForMultiSelect);
    }
    // add the order to the multi select first based on the selectCase
    query.orderBy(cb.asc(selectCase), cb.desc(targetRoot.get(JpaTarget_.id)));
    // the result is a Object[] due the fact that the selectCase is an extra
    // column, so it cannot
    // be mapped directly to a Target entity because the selectCase is not a
    // attribute of the
    // Target entity, the the Object array contains the Target on the first
    // index (case of the
    // multiselect order) of the array and
    // the 2nd contains the selectCase int value.
    final int pageSize = pageable.getPageSize();
    final List<JpaTarget> resultList = entityManager.createQuery(query).setFirstResult(pageable.getOffset())
            .setMaxResults(pageSize + 1).getResultList();
    final boolean hasNext = resultList.size() > pageSize;
    return new SliceImpl<>(Collections.unmodifiableList(resultList), pageable, hasNext);
}

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