Example usage for org.hibernate Query setFetchSize

Introduction

In this page you can find the example usage for org.hibernate Query setFetchSize.

Prototype

Query<R> setFetchSize(int fetchSize);

Source Link

Document

Sets a JDBC fetch size hint for the query.

Usage

From source file:edu.ur.hibernate.ir.item.db.HbSponsorDAO.java

License:Apache License

/**
 * /*from   w w w.ja v a  2 s .co m*/
 * @see edu.ur.ir.item.SponsorDAO#getCollectionSponsorsBetweenChar(int, int, edu.ur.ir.institution.InstitutionalCollection, char, char, edu.ur.order.OrderType)
 */
@SuppressWarnings("unchecked")
public List<Sponsor> getCollectionSponsorsBetweenChar(final int rowStart, final int maxResults,
        final InstitutionalCollection collection, final char firstChar, final char lastChar,
        final OrderType orderType) {

    List<Sponsor> sponsors = (List<Sponsor>) hbCrudDAO.getHibernateTemplate().execute(new HibernateCallback() {
        public Object doInHibernate(Session session) throws HibernateException, SQLException {
            Query q = null;
            if (orderType.equals(OrderType.DESCENDING_ORDER)) {
                q = session.getNamedQuery("getCollectionSponsorNameByCharRangeOrderDesc");
            } else {
                q = session.getNamedQuery("getCollectionSponsorNameByCharRangeOrderAsc");
            }

            q.setLong(0, collection.getLeftValue());
            q.setLong(1, collection.getRightValue());
            q.setLong(2, collection.getTreeRoot().getId());
            q.setCharacter(3, Character.toLowerCase(firstChar));
            q.setCharacter(4, Character.toLowerCase(lastChar));
            q.setFirstResult(rowStart);
            q.setMaxResults(maxResults);
            q.setFetchSize(maxResults);
            return q.list();
        }
    });
    return sponsors;
}

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From source file:edu.ur.hibernate.ir.item.db.HbSponsorDAO.java

License:Apache License

/**
 * @see edu.ur.ir.item.SponsorDAO#getCollectionSponsorsByChar(int, int, edu.ur.ir.institution.InstitutionalCollection, char, edu.ur.order.OrderType)
 *///from  w w w.ja  v  a2s .  c  om
@SuppressWarnings("unchecked")
public List<Sponsor> getCollectionSponsorsByChar(final int rowStart, final int maxResults,
        final InstitutionalCollection collection, final char firstChar, final OrderType orderType) {

    List<Sponsor> sponsors = (List<Sponsor>) hbCrudDAO.getHibernateTemplate().execute(new HibernateCallback() {
        public Object doInHibernate(Session session) throws HibernateException, SQLException {
            Query q = null;
            if (orderType.equals(OrderType.DESCENDING_ORDER)) {
                q = session.getNamedQuery("getCollectionSponsorNameByCharOrderDesc");
            } else {
                q = session.getNamedQuery("getCollectionSponsorNameByCharOrderAsc");
            }

            q.setLong(0, collection.getLeftValue());
            q.setLong(1, collection.getRightValue());
            q.setLong(2, collection.getTreeRoot().getId());
            q.setCharacter(3, Character.toLowerCase(firstChar));
            q.setFirstResult(rowStart);
            q.setMaxResults(maxResults);
            q.setFetchSize(maxResults);
            return q.list();
        }
    });
    return sponsors;
}

---

From source file:edu.ur.hibernate.ir.item.db.HbSponsorDAO.java

License:Apache License

/**
 * /*from  w w w.  j a v a  2s .c om*/
 * @see edu.ur.ir.item.SponsorDAO#getCollectionSponsorsByName(int, int, edu.ur.ir.institution.InstitutionalCollection, edu.ur.order.OrderType)
 */
@SuppressWarnings("unchecked")
public List<Sponsor> getCollectionSponsorsByName(final int rowStart, final int maxResults,
        final InstitutionalCollection collection, final OrderType orderType) {

    List<Sponsor> sponsors = (List<Sponsor>) hbCrudDAO.getHibernateTemplate().execute(new HibernateCallback() {
        public Object doInHibernate(Session session) throws HibernateException, SQLException {
            Query q = null;
            if (orderType.equals(OrderType.DESCENDING_ORDER)) {
                q = session.getNamedQuery("getCollectionSponsorNameByNameOrderDesc");
            } else {
                q = session.getNamedQuery("getCollectionSponsorNameByNameOrderAsc");
            }

            q.setLong(0, collection.getLeftValue());
            q.setLong(1, collection.getRightValue());
            q.setLong(2, collection.getTreeRoot().getId());
            q.setFirstResult(rowStart);
            q.setMaxResults(maxResults);
            q.setFetchSize(maxResults);
            return q.list();
        }
    });

    return sponsors;
}

---

From source file:edu.ur.hibernate.ir.news.db.HbNewsDAO.java

License:Apache License

/**
 * Get the availabe news items.//from  w w  w.ja v a2s . co  m
 * 
 * @param d - date the news items should be available
 * @param offset - where to start in the list
 * @param numToFetch - maximum number of items to fetch
 * @return- available news items
 */
@SuppressWarnings("unchecked")
public List<NewsItem> getAvailableNewsItems(final Date d, final int offset, final int numToFetch) {
    return (List<NewsItem>) hbCrudDAO.getHibernateTemplate().executeFind(new HibernateCallback() {
        public Object doInHibernate(Session session) {
            Query query = session.getNamedQuery("getAvailableNewsItemsForDate");
            query.setParameter(0, d);
            query.setParameter(1, d);
            query.setFirstResult(offset);
            query.setMaxResults(numToFetch);
            query.setFetchSize(numToFetch);
            return query.list();
        }
    });

}

---

From source file:edu.ur.hibernate.ir.news.db.HbNewsDAO.java

License:Apache License

@SuppressWarnings("unchecked")
public List<NewsItem> getNewsItems(final int rowStart, final int numberOfResultsToShow, final String sortType) {
    List<NewsItem> newsItems = (List<NewsItem>) hbCrudDAO.getHibernateTemplate()
            .execute(new HibernateCallback() {
                public Object doInHibernate(Session session) throws HibernateException, SQLException {
                    Query q = null;
                    if (sortType.equalsIgnoreCase("asc")) {
                        q = session.getNamedQuery("getNewsItemsOrderByNameAsc");
                    } else {
                        q = session.getNamedQuery("getNewsItemsOrderByNameDesc");
                    }/* www  .  j  a v  a 2 s.  c o m*/

                    q.setFirstResult(rowStart);
                    q.setMaxResults(numberOfResultsToShow);
                    q.setReadOnly(true);
                    q.setFetchSize(numberOfResultsToShow);
                    return q.list();
                }
            });

    return newsItems;
}

---

From source file:edu.ur.hibernate.ir.person.db.HbContributorTypeDAO.java

License:Apache License

@SuppressWarnings("unchecked")
public List<ContributorType> getContributorTypes(final int rowStart, final int numberOfResultsToShow,
        final String sortType) {

    List<ContributorType> contributorTypes = (List<ContributorType>) hbCrudDAO.getHibernateTemplate()
            .execute(new HibernateCallback() {
                public Object doInHibernate(Session session) throws HibernateException, SQLException {
                    Query q = null;
                    if (sortType.equalsIgnoreCase("asc")) {
                        q = session.getNamedQuery("getContributorTypesOrderByNameAsc");
                    } else {
                        q = session.getNamedQuery("getContributorTypesOrderByNameDesc");
                    }//from   w  w  w.  j av  a  2  s. c om

                    q.setFirstResult(rowStart);
                    q.setMaxResults(numberOfResultsToShow);
                    q.setReadOnly(true);
                    q.setFetchSize(numberOfResultsToShow);
                    return q.list();
                }
            });

    return contributorTypes;
}

---

From source file:edu.ur.hibernate.ir.person.db.HbPersonNameDAO.java

License:Apache License

/**
 * Returns all people with a first name like the specified value.
 * /* ww  w  .  j  a  va2s .c o m*/
 * @param firstName
 * @param startRecord
 * @param numRecords
 */
@SuppressWarnings("unchecked")
public List<PersonName> findPersonLikeFirstName(String firstName, final int startRecord, final int numRecords) {
    final String qFirstName = firstName + '%';
    //return getByQuery("findPersonLikeFirstName", startRecord, numRecords);
    return (List<PersonName>) hbCrudDAO.getHibernateTemplate().executeFind(new HibernateCallback() {
        public Object doInHibernate(Session session) {
            Query query = session.getNamedQuery("findPersonLikeFirstName");
            query.setFirstResult(startRecord);
            query.setMaxResults(numRecords);
            query.setString(0, qFirstName);
            query.setFetchSize(numRecords);
            return query.list();
        }
    });
}

---

From source file:edu.ur.hibernate.ir.person.db.HbPersonNameDAO.java

License:Apache License

/**
 * Finds all people with a last name like the specified last name.
 * //from w w  w  . j  av  a 2s  .c om
 * @param lastName
 * @param startRecord
 * @param numRecords
 */
@SuppressWarnings("unchecked")
public List<PersonName> findPersonLikeLastName(String lastName, final int startRecord, final int numRecords) {
    final String qLastName = lastName + '%';
    //return getByQuery("findPersonLikeFirstName", startRecord, numRecords);
    return (List<PersonName>) hbCrudDAO.getHibernateTemplate().executeFind(new HibernateCallback() {
        public Object doInHibernate(Session session) {
            Query query = session.getNamedQuery("findPersonLikeLastName");
            query.setFirstResult(startRecord);
            query.setMaxResults(numRecords);
            query.setString(0, qLastName);
            query.setFetchSize(numRecords);
            return query.list();
        }
    });
}

---

From source file:edu.ur.hibernate.ir.person.db.HbPersonNameDAO.java

License:Apache License

/**
 * Finds all people with the specified first and last name.
 * /*w  ww .  j  a  va  2  s .  co m*/
 * @param firstName
 * @param lastName
 * @param startRecord
 * @param numRecords
 */
@SuppressWarnings("unchecked")
public List<PersonName> findPersonLikeFirstLastName(String firstName, String lastName, final int startRecord,
        final int numRecords) {
    final String qLastName = lastName + '%';
    final String qFirstName = firstName + '%';
    //return getByQuery("findPersonLikeFirstName", startRecord, numRecords);
    return (List<PersonName>) hbCrudDAO.getHibernateTemplate().executeFind(new HibernateCallback() {
        public Object doInHibernate(Session session) {
            Query query = session.getNamedQuery("findPersonLikeFirstLastName");
            query.setFirstResult(startRecord);
            query.setMaxResults(numRecords);
            query.setString(0, qLastName);
            query.setString(1, qFirstName);
            query.setFetchSize(numRecords);
            return query.list();
        }
    });
}

---

From source file:edu.ur.hibernate.ir.person.db.HbPersonNameDAO.java

License:Apache License

/**
 * @see edu.ur.ir.person.PersonNameDAO#getCollectionPersonNamesBetweenChar(int, int, edu.ur.ir.institution.InstitutionalCollection, char, char, edu.ur.order.OrderType)
 *//*from ww w.  j av a 2s  .  c o m*/
@SuppressWarnings("unchecked")
public List<PersonName> getCollectionPersonNamesBetweenChar(final int rowStart, final int maxResults,
        final InstitutionalCollection collection, final char firstChar, final char lastChar,
        final OrderType orderType) {

    List<PersonName> personNames = (List<PersonName>) hbCrudDAO.getHibernateTemplate()
            .execute(new HibernateCallback() {
                public Object doInHibernate(Session session) throws HibernateException, SQLException {
                    Query q = null;
                    if (orderType.equals(OrderType.DESCENDING_ORDER)) {
                        q = session.getNamedQuery("getCollectionPersonNameByCharRangeOrderDesc");
                    } else {
                        q = session.getNamedQuery("getCollectionPersonNameByCharRangeOrderAsc");
                    }

                    q.setLong(0, collection.getLeftValue());
                    q.setLong(1, collection.getRightValue());
                    q.setLong(2, collection.getTreeRoot().getId());
                    q.setCharacter(3, Character.toLowerCase(firstChar));
                    q.setCharacter(4, Character.toLowerCase(lastChar));
                    q.setFirstResult(rowStart);
                    q.setMaxResults(maxResults);
                    q.setFetchSize(maxResults);
                    return q.list();
                }
            });
    return personNames;
}

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