Example usage for org.hibernate.criterion Projections max

Introduction

In this page you can find the example usage for org.hibernate.criterion Projections max.

Prototype

public static AggregateProjection max(String propertyName) 

Source Link

Document

A property maximum value projection

Usage

From source file:org.balisunrise.daa.hibernate.HQuery.java

License:Open Source License

@Override
public <V> V max(String property) {
    return (V) hcrit.setProjection(Projections.max(property)).uniqueResult();
}

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From source file:org.candlepin.gutterball.curator.ComplianceSnapshotCurator.java

License:Open Source License

/**
 * Retrieves an iterator over the compliance snapshots on the target date.
 *
 * @param targetDate//  w  ww .  ja va 2  s .c om
 *  The date for which to retrieve compliance snapshots. If null, the current date will be used
 *  instead.
 *
 * @param consumerUuids
 *  A list of consumer UUIDs to use to filter the results. If provided, only compliances for
 *  consumers in the list will be retrieved.
 *
 * @param ownerFilters
 *  A list of owners to use to filter the results. If provided, only compliances for consumers
 *  belonging to the specified owners (orgs) will be retrieved.
 *
 * @param statusFilters
 *  A list of statuses to use to filter the results. If provided, only compliances with a status
 *  matching the list will be retrieved.
 *
 * @param productNameFilters
 *  A list of product names to use to filter compliances. If provided, only compliances for
 *  consumers having installed the specified products will be retrieved.
 *
 * @param subscriptionSkuFilters
 *  A list of subscription skus to use to filter compliances. If provided, only compliances for
 *  the specified subscription skus will be retrieved.
 *
 * @param subscriptionNameFilters
 *  A list of subscription names to use to filter compliances. If provided, only compliances for
 *  the specified subscription names will be retrieved.
 *
 * @param attributeFilters
 *  A map of entitlement attributes to use to filter compliances. If provided, only compliances
 *  for entitlements having the specified values for the given attributes will be retrieved.
 *
 * @param pageRequest
 *  A PageRequest instance containing paging information from the request. If null, no paging
 *  will be performed.
 *
 * @return
 *  A Page instance containing an iterator over the compliance snapshots for the target date and
 *  the paging information for the query.
 */
@SuppressWarnings("checkstyle:indentation")
public Page<Iterator<Compliance>> getSnapshotIterator(Date targetDate, List<String> consumerUuids,
        List<String> ownerFilters, List<String> statusFilters, List<String> productNameFilters,
        List<String> subscriptionSkuFilters, List<String> subscriptionNameFilters,
        Map<String, String> attributeFilters, PageRequest pageRequest) {

    Page<Iterator<Compliance>> page = new Page<Iterator<Compliance>>();
    page.setPageRequest(pageRequest);

    DetachedCriteria subquery = DetachedCriteria.forClass(Compliance.class);
    subquery.createAlias("consumer", "c");
    subquery.createAlias("c.consumerState", "state");

    // https://hibernate.atlassian.net/browse/HHH-2776
    if (consumerUuids != null && !consumerUuids.isEmpty()) {
        subquery.add(Restrictions.in("c.uuid", consumerUuids));
    }

    Date toCheck = targetDate == null ? new Date() : targetDate;
    subquery.add(
            Restrictions.or(Restrictions.isNull("state.deleted"), Restrictions.gt("state.deleted", toCheck)));
    subquery.add(Restrictions.le("state.created", toCheck));

    if (ownerFilters != null && !ownerFilters.isEmpty()) {
        subquery.createAlias("c.owner", "o");
        subquery.add(Restrictions.in("o.key", ownerFilters));
    }

    subquery.add(Restrictions.le("date", toCheck));

    subquery.setProjection(
            Projections.projectionList().add(Projections.max("date")).add(Projections.groupProperty("c.uuid")));

    Session session = this.currentSession();
    Criteria query = session.createCriteria(Compliance.class, "comp").createAlias("comp.consumer", "cs")
            .add(Subqueries.propertiesIn(new String[] { "comp.date", "cs.uuid" }, subquery))
            .setCacheMode(CacheMode.IGNORE).setReadOnly(true);

    if ((statusFilters != null && !statusFilters.isEmpty())
            || (attributeFilters != null && attributeFilters.containsKey("management_enabled"))
            || (productNameFilters != null && !productNameFilters.isEmpty())) {

        query.createAlias("comp.status", "stat");

        if (statusFilters != null && !statusFilters.isEmpty()) {
            query.add(Restrictions.in("stat.status", statusFilters));
        }

        if (attributeFilters != null && attributeFilters.containsKey("management_enabled")) {
            boolean managementEnabledFilter = PropertyConverter
                    .toBoolean(attributeFilters.get("management_enabled"));
            query.add(Restrictions.eq("stat.managementEnabled", managementEnabledFilter));
        }

        if (productNameFilters != null && !productNameFilters.isEmpty()) {
            query.createAlias("stat.compliantProducts", "cprod", JoinType.LEFT_OUTER_JOIN)
                    .createAlias("stat.partiallyCompliantProducts", "pcprod", JoinType.LEFT_OUTER_JOIN)
                    .createAlias("stat.nonCompliantProducts", "ncprod", JoinType.LEFT_OUTER_JOIN);

            DetachedCriteria prodQuery = DetachedCriteria.forClass(Compliance.class, "comp2");
            prodQuery.createAlias("comp2.consumer", "cons2");
            prodQuery.createAlias("cons2.installedProducts", "installed");
            prodQuery.add(Restrictions.and(Restrictions.in("installed.productName", productNameFilters),
                    Restrictions.eqProperty("comp2.id", "comp.id")));
            prodQuery.setProjection(Projections.property("installed.productId"));

            query.add(Restrictions.or(Property.forName("cprod.productId").in(prodQuery),
                    Property.forName("pcprod.productId").in(prodQuery),
                    Property.forName("ncprod.productId").in(prodQuery)));
        }
    }

    // Add subscription filters, if necessary
    if ((subscriptionSkuFilters != null && !subscriptionSkuFilters.isEmpty())
            || (subscriptionNameFilters != null && !subscriptionNameFilters.isEmpty())) {

        // Impl note: We have to be very careful with alias names, as Hibernate has a tendancy
        // to errorneously truncate "long" ones. Actual property/field names are safe, though.
        query.createAlias("comp.entitlements", "entsnap");

        if (subscriptionSkuFilters != null && !subscriptionSkuFilters.isEmpty()) {
            query.add(Restrictions.in("entsnap.productId", subscriptionSkuFilters));
        }

        if (subscriptionNameFilters != null && !subscriptionNameFilters.isEmpty()) {
            query.add(Restrictions.in("entsnap.productName", subscriptionNameFilters));
        }
    }

    if (pageRequest != null && pageRequest.isPaging()) {
        page.setMaxRecords(this.getRowCount(query));

        query.setFirstResult((pageRequest.getPage() - 1) * pageRequest.getPerPage());
        query.setMaxResults(pageRequest.getPerPage());

        if (pageRequest.getSortBy() != null) {
            query.addOrder(
                    pageRequest.getOrder() == PageRequest.Order.ASCENDING ? Order.asc(pageRequest.getSortBy())
                            : Order.desc(pageRequest.getSortBy()));
        }
    }

    page.setPageData(new AutoEvictingColumnarResultsIterator<Compliance>(session,
            query.scroll(ScrollMode.FORWARD_ONLY), 0));

    return page;
}

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From source file:org.candlepin.gutterball.curator.ComplianceSnapshotCurator.java

License:Open Source License

/**
 * Retrieves an iterator over the compliance snapshots for the specified consumer.
 *
 * @param consumerUUID/*from  www.  ja v a 2s .c om*/
 *  The UUID for the consumer for which to retrieve compliance snapshots.
 *
 * @param startDate
 *  The start date to use to filter snapshots retrieved. If specified, only snapshots occurring
 *  after the start date, and the snapshot immediately preceding it, will be retrieved.
 *
 * @param endDate
 *  The end date to use to filter snapshots retrieved. If specified, only snapshots occurring
 *  before the end date will be retrieved.
 *
 * @param pageRequest
 *  A PageRequest instance containing paging information from the request. If null, no paging
 *  will be performed.
 *
 * @return
 *  A Page instance containing an iterator over the snapshots for the specified consumer, and
 *  the paging information for the query.
 */
@SuppressWarnings("checkstyle:indentation")
public Page<Iterator<Compliance>> getSnapshotIteratorForConsumer(String consumerUUID, Date startDate,
        Date endDate, PageRequest pageRequest) {

    Page<Iterator<Compliance>> page = new Page<Iterator<Compliance>>();
    page.setPageRequest(pageRequest);

    Session session = this.currentSession();
    Criteria query = session.createCriteria(Compliance.class, "comp1");
    query.createAlias("comp1.consumer", "cons1");

    query.add(Restrictions.eq("cons1.uuid", consumerUUID));

    if (startDate != null) {
        DetachedCriteria subquery = DetachedCriteria.forClass(Compliance.class, "comp2");
        subquery.createAlias("comp2.consumer", "cons2");
        subquery.createAlias("cons2.consumerState", "state2");

        subquery.add(Restrictions.or(Restrictions.isNull("state2.deleted"),
                Restrictions.gt("state2.deleted", startDate)));

        subquery.add(Restrictions.lt("state2.created", startDate));
        subquery.add(Restrictions.eqProperty("cons2.uuid", "cons1.uuid"));
        subquery.add(Restrictions.lt("comp2.date", startDate));

        subquery.setProjection(Projections.projectionList().add(Projections.max("comp2.date")));

        query.add(Restrictions.disjunction().add(Restrictions.ge("comp1.date", startDate))
                .add(Subqueries.propertyEq("comp1.date", subquery)));
    }

    if (endDate != null) {
        query.add(Restrictions.le("comp1.date", endDate));
    }

    query.setCacheMode(CacheMode.IGNORE);
    query.setReadOnly(true);

    if (pageRequest != null && pageRequest.isPaging()) {
        page.setMaxRecords(this.getRowCount(query));

        query.setFirstResult((pageRequest.getPage() - 1) * pageRequest.getPerPage());
        query.setMaxResults(pageRequest.getPerPage());

        if (pageRequest.getSortBy() != null) {
            query.addOrder(
                    pageRequest.getOrder() == PageRequest.Order.ASCENDING ? Order.asc(pageRequest.getSortBy())
                            : Order.desc(pageRequest.getSortBy()));
        }
    }

    page.setPageData(new AutoEvictingColumnarResultsIterator<Compliance>(session,
            query.scroll(ScrollMode.FORWARD_ONLY), 0));

    return page;
}

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From source file:org.candlepin.model.RulesCurator.java

License:Open Source License

private Date getUpdatedFromDB() {
    return (Date) this.currentSession().createCriteria(Rules.class)
            .setProjection(Projections.projectionList().add(Projections.max("updated"))).uniqueResult();
}

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From source file:org.cast.cwm.service.EventService.java

License:Open Source License

@Override
public Date getLastEventTime(LoginSession ls) {
    Session session = Databinder.getHibernateSession();
    Criteria criteria = session.createCriteria(Event.class);
    criteria.add(Restrictions.eq("loginSession", ls));
    criteria.setProjection(Projections.max("insertTime"));
    return (Date) criteria.uniqueResult();
}

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From source file:org.cms.dao.FajlDao.java

@Transactional
public int vratiID() {
    Session session = this.sessionFactory.getCurrentSession();
    Criteria criteria = session.createCriteria(Fajl.class).setProjection(Projections.max("fajlID"));
    try {/*from www  . j  av  a 2s  . c om*/
        int id = (int) criteria.uniqueResult();
        return id;
    } catch (Exception e) {
        return 0;
    }
}

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From source file:org.cms.dao.KategorijaDao.java

@Transactional
public int vratiID() {
    Session session = this.sessionFactory.getCurrentSession();
    Criteria criteria = session.createCriteria(Kategorija.class).setProjection(Projections.max("kategorijaID"));
    try {/*from ww  w  . ja va  2s  . c om*/
        int id = (int) criteria.uniqueResult();
        return id;
    } catch (Exception e) {
        return 0;
    }
}

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From source file:org.cms.dao.KorisnikDao.java

@Transactional
public int vratiID() {
    Session session = this.sessionFactory.getCurrentSession();
    Criteria criteria = session.createCriteria(Korisnik.class).setProjection(Projections.max("korisnikID"));
    int id = 0;// www  . j  a  va 2 s .c o m
    try {
        return (int) criteria.uniqueResult();
    } catch (Exception e) {
        return id;
    }

}

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From source file:org.cms.dao.VestDao.java

@Transactional
public int vratiID() {
    Session session = this.sessionFactory.getCurrentSession();
    Criteria criteria = session.createCriteria(Vest.class).setProjection(Projections.max("vestID"));
    int id = 0;//w w w .j  a va 2 s.c o m
    try {
        return (int) criteria.uniqueResult();
    } catch (Exception e) {
        return id;
    }
}

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From source file:org.encuestame.persistence.dao.imp.HashTagDao.java

License:Apache License

public Date getMaxHashTagRankingDate() {
    DetachedCriteria criteria = DetachedCriteria.forClass(HashTagRanking.class);
    criteria.setProjection(Projections.max("rankingDate"));
    @SuppressWarnings("unchecked")
    List<HashTagRanking> results = (List<HashTagRanking>) getHibernateTemplate().findByCriteria(criteria);
    return (Date) (results.get(0) == null ? new Date() : results.get(0));
}

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