Example usage for javax.persistence Query setMaxResults

List of usage examples for javax.persistence Query setMaxResults

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Introduction

In this page you can find the example usage for javax.persistence Query setMaxResults.

Prototype

Query setMaxResults(int maxResult);

Source Link

Document

Set the maximum number of results to retrieve.

Usage

From source file:org.fracturedatlas.athena.apa.impl.jpa.JpaApaAdapter.java

private Set<JpaRecord> getRecordsByType(AthenaSearch athenaSearch, EntityManager em) {
    Set<JpaRecord> finishedTicketsSet = null;

    Query query = em.createQuery("from JpaRecord as ticket where type=:ticketType").setParameter("ticketType",
            athenaSearch.getType());/*from   w w w  .j  av a  2  s .  c o m*/

    if (athenaSearch.getLimit() != null) {
        query.setMaxResults(athenaSearch.getLimit());
    }

    if (athenaSearch.getStart() != null) {
        query.setFirstResult(athenaSearch.getStart());
    }

    finishedTicketsSet = new HashSet<JpaRecord>(query.getResultList());
    return finishedTicketsSet;
}

From source file:com.mothsoft.alexis.dao.DocumentDaoImpl.java

public List<Document> listTopDocuments(Long userId, Date startDate, Date endDate, int count) {
    final StopWatch stopWatch = new StopWatch();
    stopWatch.start();//from www  .  ja  v a 2 s . c o m

    final Query query = this.em
            .createQuery("select d from Topic topic join topic.topicDocuments td join td.document d "
                    + "   where topic.userId = :userId "
                    + "     and td.creationDate > :startDate and td.creationDate < :endDate "
                    + "     and td.score > 0.2                                            "
                    + "     order by td.score desc");
    query.setParameter("userId", userId);
    query.setParameter("startDate", startDate);
    query.setParameter("endDate", endDate);
    query.setFirstResult(0);
    query.setMaxResults(count);

    query.setLockMode(LockModeType.NONE);

    @SuppressWarnings("unchecked")
    final List<Document> range = query.getResultList();

    stopWatch.stop();
    logger.debug(stopWatch.toString());

    return range;
}

From source file:com.mothsoft.alexis.dao.DocumentDaoImpl.java

@SuppressWarnings("unchecked")
public List<ImportantTerm> getImportantTerms(Long documentId, int howMany, boolean filterStopWords) {

    final Query query;

    if (filterStopWords) {
        query = this.em.createQuery("select dt from DocumentTerm dt join dt.document d join dt.term t "
                + " where d.id = :documentId and t.valueLowercase NOT IN (:stopWords) "
                + "   and dt.tfIdf is not null order by dt.tfIdf DESC");
        query.setParameter("stopWords", StopWords.ENGLISH);
    } else {//from w w w .j av  a 2  s  .co m
        query = this.em.createQuery("select dt from DocumentTerm dt join dt.document d join dt.term t "
                + " where d.id = :documentId and dt.tfIdf is not null order by dt.tfIdf DESC");
    }
    query.setParameter("documentId", documentId);
    query.setMaxResults(howMany);

    final List<DocumentTerm> documentTerms = query.getResultList();

    float maxTfIdf = -1.0f;

    for (final DocumentTerm documentTerm : documentTerms) {
        if (documentTerm.getTfIdf() > maxTfIdf) {
            maxTfIdf = documentTerm.getTfIdf();
        }
    }

    final List<ImportantTerm> importantTerms = new ArrayList<ImportantTerm>(documentTerms.size());

    for (final DocumentTerm documentTerm : documentTerms) {
        importantTerms.add(new ImportantTerm(documentTerm.getTerm().getValueLowercase(),
                documentTerm.getCount(), documentTerm.getTfIdf(), maxTfIdf));
    }

    return importantTerms;
}

From source file:org.medici.bia.dao.volume.VolumeDAOJpaImpl.java

/**
 * {@inheritDoc}/* ww  w.j  a  va2s .c  o  m*/
 */
@Override
public Page searchVolumesByDigitization(Integer volNum, Integer volNumBetween,
        PaginationFilter paginationFilter) throws PersistenceException {
    Page page = new Page(paginationFilter);

    Query query = null;
    //String toSearch = new String("FROM People WHERE personId IN (SELECT DISTINCT person.personId FROM org.medici.bia.domain.PoLink WHERE titleOccList.titleOccId=" + titleOccToSearch + ")");
    //MD: The next query is builded for test if is possible order result by date of Title Occupation
    String toSearch = new String("FROM Volume WHERE volNum >= " + volNum + " AND volNum <= " + volNumBetween
            + " AND logicalDelete = false");

    if (paginationFilter.getTotal() == null) {
        String countQuery = "SELECT COUNT(*) " + toSearch;
        query = getEntityManager().createQuery(countQuery);
        page.setTotal(new Long((Long) query.getSingleResult()));
    }

    //MD: We have a pagination filter already parameterized
    //paginationFilter = generatePaginationFilterMYSQL(paginationFilter);

    query = getEntityManager().createQuery(toSearch + getOrderByQuery(paginationFilter.getSortingCriterias()));

    query.setFirstResult(paginationFilter.getFirstRecord());
    query.setMaxResults(paginationFilter.getLength());

    page.setList(query.getResultList());

    return page;
}

From source file:de.iai.ilcd.model.dao.DataSetDao.java

/**
 * This search method can also be used for distributed search because it uses the common interface types of the
 * ServiceAPI//from w  w w.j  a  v  a 2  s  .  c  o m
 * 
 * @param <E>
 *            interface name of &quot;type&quot; of objects to return, i.e. IProcessListVO, IFlowListVo, ...
 * @param dataSetClassType
 *            Class object of T, i.e. IProcessListVO.class
 * @param params
 *            search parameter as ParameterTool object
 * @param startPosition
 *            start index for first search result
 * @param pageSize
 *            size of one page of search results
 * @param sortCriterium
 *            field name of object which is used for ordering
 * @param sortOrder
 *            define the ordering of the result
 * @param mostRecentVersionOnly
 *            flag to indicate if only the most recent version of a data set shall be returned if multiple versions
 *            exist
 * @param stocks
 *            stocks
 * @return list of objects of the given interface E
 */
public <E extends IDataSetListVO> List<E> searchDist(Class<E> dataSetClassType, ValueParser params,
        int startPosition, int pageSize, String sortCriterium, SortOrder sortOrder,
        boolean mostRecentVersionOnly, IDataStockMetaData[] stocks, IDataStockMetaData excludeStock,
        DistributedSearchLog log) {

    // avoid a lot of null checks
    if (params == null) {
        params = new ValueParser();
    }
    LOGGER.trace("searching for {}", dataSetClassType.getName());

    Query query = this.createQueryObject(params, sortCriterium, sortOrder, false, mostRecentVersionOnly, stocks,
            excludeStock);

    if (startPosition > 0) {
        query.setFirstResult(startPosition);
    }
    if (pageSize > 0) {
        query.setMaxResults(pageSize);
    }

    List<E> dataSets = query.getResultList();

    if (LOGGER.isTraceEnabled()) {
        for (IDataSetListVO ds : dataSets) {
            LOGGER.trace("name: {}, defaultname: {}", ds.getName().getValue(), ds.getDefaultName());
        }
    }

    // OK, search also in other systems
    if (params.exists("distributed") && params.getBoolean("distributed")) {
        LOGGER.info("initiating distributed search");
        ForeignDataSetsHelper foreignHelper = new ForeignDataSetsHelper();
        List<E> foreignProcesses = foreignHelper.foreignSearch(dataSetClassType, params, log);
        if (foreignProcesses != null) {
            LOGGER.debug("returning {} results from foreign nodes", foreignProcesses.size());
        }
        dataSets.addAll(foreignProcesses);
    }
    return dataSets;
}

From source file:com.lhfs.fsn.dao.testReport.impl.TestReportDaoImpl.java

/**
 * /*  w ww .  j  a  v a 2  s.  co  m*/
 * @author longxianzhen 20150807
 */
@SuppressWarnings("unchecked")
@Override
public List<TestResult> getReportsOfDealerAllPassWithPage(String config, int page, int pageSize)
        throws DaoException {
    try {
        String sql = " SELECT tr.id,tr.service_order,tr.publish_flag,tr.last_modify_time,"
                + "ip.batch_serial_no,ip.production_date,p.`name` ,tr.last_modify_user,"
                + "tr.back_result,tr.back_time,p.barcode FROM test_result tr "
                + "LEFT JOIN product_instance ip ON ip.id=tr.sample_id "
                + "LEFT JOIN product p ON p.id=ip.product_id ";
        sql += config;
        Query query = entityManager.createNativeQuery(sql);
        query.setFirstResult((page - 1) * pageSize);
        query.setMaxResults(pageSize);
        List<Object[]> objs = query.getResultList();
        List<TestResult> trs = new ArrayList<TestResult>();
        if (objs != null && objs.size() > 0) {
            for (Object[] obj : objs) {
                TestResult tr = new TestResult();
                tr.setId(obj[0] != null ? Long.parseLong(obj[0].toString()) : -1L);
                tr.setServiceOrder(obj[1] != null ? obj[1].toString() : "");
                tr.setPublishFlag((Character) obj[2]);
                tr.setLastModifyTime(obj[3] == null ? null : (Date) obj[3]);
                ProductInstance pi = new ProductInstance();
                pi.setBatchSerialNo(obj[4] != null ? obj[4].toString() : "");
                pi.setProductionDate(obj[5] == null ? null : (Date) obj[5]);
                Product pro = new Product();
                pro.setName(obj[6] != null ? obj[6].toString() : "");
                pro.setPackageFlag('0');
                pro.setBarcode(obj[10] != null ? obj[10].toString() : "");
                pi.setProduct(pro);
                pi.getProduct().setPackageFlag('0');
                tr.setSample(pi);
                tr.setLastModifyUserName(obj[7] != null ? obj[7].toString() : "");
                tr.setBackResult(obj[8] != null ? obj[8].toString() : "");
                tr.setBackTime(obj[9] == null ? null : (Date) obj[9]);
                trs.add(tr);
            }
        }
        return trs;
    } catch (Exception e) {
        e.printStackTrace();
        throw new DaoException("TestReportDaoImpl.getReportsOfDealerAllPassWithPage()-->" + e.getMessage(), e);
    }
}

From source file:org.apache.roller.weblogger.business.jpa.JPAWeblogManagerImpl.java

public List getMostCommentedWeblogs(Date startDate, Date endDate, int offset, int length)
        throws WebloggerException {

    Query query = null;

    if (endDate == null)
        endDate = new Date();

    if (startDate != null) {
        Timestamp start = new Timestamp(startDate.getTime());
        Timestamp end = new Timestamp(endDate.getTime());
        query = strategy.getNamedQuery("WeblogEntryComment.getMostCommentedWebsiteByEndDate&StartDate");
        query.setParameter(1, end);//from  www.j av a  2  s .  c o m
        query.setParameter(2, start);
    } else {
        Timestamp end = new Timestamp(endDate.getTime());
        query = strategy.getNamedQuery("WeblogEntryComment.getMostCommentedWebsiteByEndDate");
        query.setParameter(1, end);
    }
    if (offset != 0) {
        query.setFirstResult(offset);
    }
    if (length != -1) {
        query.setMaxResults(length);
    }
    List queryResults = query.getResultList();
    List results = new ArrayList();
    for (Iterator iter = queryResults.iterator(); iter.hasNext();) {
        Object[] row = (Object[]) iter.next();
        StatCount sc = new StatCount((String) row[1], // website id
                (String) row[2], // website handle
                (String) row[3], // website name
                "statCount.weblogCommentCountType", // stat type
                ((Long) row[0]).longValue()); // # comments
        sc.setWeblogHandle((String) row[2]);
        results.add(sc);
    }
    // Original query ordered by desc # comments.
    // JPA QL doesn't allow queries to be ordered by agregates; do it in memory
    Collections.sort(results, statCountCountReverseComparator);

    return results;
}

From source file:com.lhfs.fsn.dao.testReport.impl.TestReportDaoImpl.java

/**
 * ??/*from w ww . j a v  a 2s. c o m*/
 * @param businessUnit
 * @param page
 * @param pageSize
 * @return
 */
public List<ProductJGVO> getProductByProducerBusinessUnit(BusinessUnit businessUnit, int page, int pageSize) {
    String sql = "select  p.id,p.name,p.format,p.status,p.product_type,"
            + "(SELECT pci.name FROM product_category_info pci WHERE pci.id = p.category_id) categoryName ";
    sql += " FROM product p where p.producer_id=?1";
    Query query = entityManager.createNativeQuery(sql);
    query.setParameter(1, businessUnit.getId());
    query.setFirstResult((page - 1) * pageSize);
    query.setMaxResults(pageSize);
    query.getResultList();
    List<Object[]> objs = query.getResultList();
    List<ProductJGVO> proList = new ArrayList<ProductJGVO>();
    for (Object[] obj : objs) {
        ProductJGVO e = new ProductJGVO();
        e.setId(obj[0] == null ? null : Long.parseLong(obj[0].toString()));
        e.setProName(obj[1] == null ? null : obj[1].toString());
        e.setFormat(obj[2] == null ? null : obj[2].toString());
        e.setStatus(obj[3] == null ? null : obj[3].toString());
        e.setProductType(obj[4] == null ? null : Integer.parseInt(obj[4].toString()) == 2 ? "" : "?");
        e.setCategoryName(obj[5] == null ? null : obj[5].toString());
        proList.add(e);
    }
    return proList;
}

From source file:de.iai.ilcd.model.dao.DataSetDao.java

/**
 * This method (local lsearch) works as lsearch method for datasets only on local database entities, i.e. Process,
 * Flow, ... To use a lsearch method which
 * also works distributed use the corresponding lsearch method
 * //w  ww.j a  v  a 2  s .  c  o m
 * @param <T>
 *            Class name of &quot;type&quot; of objects to return, i.e. Process, Flow, ...
 * @param params
 *            lsearch parameters as key-value pairs
 * @param startPosition
 *            start index within the whole list of lsearch results
 * @param pageSize
 *            pages size, i.e. maximum count of results to return
 * @param sortCriterium
 *            name of the objects field which should be used for sorting
 * @param ascending
 *            define ordering of result
 * @param mostRecentVersionOnly
 *            flag to indicate if only the most recent version of a data set shall be returned if multiple versions
 *            exist
 * @param stocks
 *            stocks
 * @param excludeStock
 *            stock that shall be excluded from the search (may be <code>null</code>)
 * @return list of datasets of type T matching the lsearch criteria
 */
@SuppressWarnings("unchecked")
public List<T> lsearch(ValueParser params, int startPosition, int pageSize, String sortCriterium,
        boolean ascending, boolean mostRecentVersionOnly, IDataStockMetaData[] stocks,
        IDataStockMetaData excludeStock) {
    List<T> dataSets = null;

    Query query = this.createQueryObject(params, sortCriterium,
            ascending ? SortOrder.ASCENDING : SortOrder.DESCENDING, false, mostRecentVersionOnly, stocks,
            excludeStock);

    if (startPosition > 0) {
        query.setFirstResult(startPosition);
    }
    if (pageSize > 0) {
        query.setMaxResults(pageSize);
    }

    dataSets = query.getResultList();

    return dataSets;
}

From source file:com.sun.socialsite.userapi.UserManagerImpl.java

public List<User> getUsersStartingWith(String startsWith, Boolean enabled, int offset, int length)
        throws UserManagementException {
    List<User> users = new ArrayList<User>();
    Query query = null;
    if (enabled != null) {
        if (startsWith != null) {
            query = getNamedQuery("User.findByUserIdOrEmailAddressPattern&Enabled");
            query.setParameter("enabled", enabled);
            query.setParameter("pattern", startsWith + '%');
        } else {//from w  w  w . jav  a 2 s.  co m
            query = getNamedQuery("User.findByEnabled");
            query.setParameter("enabled", enabled);
        }
    } else {
        if (startsWith != null) {
            query = getNamedQuery("User.findByUserIdOrEmailAddressPattern");
            query.setParameter("pattern", startsWith + '%');
        } else {
            query = getNamedQuery("User.getAll");
        }
    }

    if (offset != 0) {
        query.setFirstResult(offset);
    }
    if (length != -1) {
        query.setMaxResults(length);
    }
    List results = query.getResultList();
    if (results != null) {
        for (Object obj : results) {
            users.add((User) obj);
        }
    }
    return users;
}