Example usage for org.hibernate Session getSessionFactory

Introduction

In this page you can find the example usage for org.hibernate Session getSessionFactory.

Prototype

SessionFactory getSessionFactory();

Source Link

Document

Get the session factory which created this session.

Usage

From source file:org.medici.bia.dao.JpaDao.java

License:Open Source License

/**
 * // w  ww.j a  v  a  2s.co  m
 * @throws PersistenceException
 */
public void generateIndex() throws PersistenceException {
    try {
        EntityManager entityManager = getEntityManager();
        Session session = ((HibernateEntityManager) entityManager).getSession();
        session = session.getSessionFactory().openSession();
        FullTextSession fullTextSession = Search.getFullTextSession(session);

        fullTextSession.createIndexer(entityClass).batchSizeToLoadObjects(30).threadsForSubsequentFetching(8)
                .threadsToLoadObjects(4).threadsForIndexWriter(3).cacheMode(CacheMode.IGNORE).startAndWait();
    } catch (Throwable throwable) {
        logger.error(throwable);
    }
}

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From source file:org.medici.bia.dao.JpaDao.java

License:Open Source License

/**
 * //from  ww w .jav  a 2  s.  c  o  m
 */
public void optimizeIndex() throws PersistenceException {
    Session session = null;
    FullTextSession fullTextSession = null;
    ScrollableResults results = null;
    try {
        EntityManager entityManager = getEntityManager();
        session = ((HibernateEntityManager) entityManager).getSession();
        session = session.getSessionFactory().openSession();
        fullTextSession = org.hibernate.search.Search.getFullTextSession(session);

        logger.info("Initiating Lucene Index Optimze...");
        SearchFactory searchFactory = fullTextSession.getSearchFactory();
        searchFactory.optimize(entityClass);
        logger.info("Finished Lucene Index Optimze");
    } catch (Throwable throwable) {
        logger.error(throwable);
    } finally {
        if (results != null) {
            results.close();
        }
        if (fullTextSession.isOpen()) {
            fullTextSession.close();
        }
        if (session.isOpen()) {
            session.close();
        }
    }
}

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From source file:org.medici.bia.dao.JpaDao.java

License:Open Source License

/**
 * //from w w w  . ja va  2s.  com
 * @param fromDate
 * @throws PersistenceException
 */
public void updateIndex(Date fromDate) throws PersistenceException {
    Session session = null;
    FullTextSession fullTextSession = null;
    ScrollableResults results = null;
    try {
        EntityManager entityManager = getEntityManager();
        session = ((HibernateEntityManager) entityManager).getSession();
        session = session.getSessionFactory().openSession();
        fullTextSession = org.hibernate.search.Search.getFullTextSession(session);

        Query queryTotal = entityManager
                .createQuery("SELECT count(*) FROM " + entityClass + " where lastUpdate>=:lastUpdate");
        queryTotal.setParameter("lastUpdate", fromDate);
        Long total = (Long) queryTotal.getSingleResult();
        logger.info("Total Entities to be updated : " + total);

        if (total > 0) {
            Integer numberOfElements = 50;
            Integer numberOfElementsBeforeGC = 1000;
            org.hibernate.Query query = session
                    .createQuery("FROM " + entityClass + "  where lastUpdate>=:lastUpdate");
            query.setParameter("lastUpdate", fromDate);

            Transaction tx = fullTextSession.beginTransaction();
            query.setReadOnly(true);
            query.setLockMode("a", LockMode.NONE);
            results = query.scroll(ScrollMode.FORWARD_ONLY);
            Integer resultNumber = 0;
            while (results.next()) {
                Object entityClass = (Object) results.get(0);
                fullTextSession.delete(entityClass);
                fullTextSession.index(entityClass);
                resultNumber++;

                if (resultNumber % numberOfElements == 0) {
                    flushingFullTextSession(total, resultNumber, fullTextSession);
                }

                if (resultNumber % numberOfElementsBeforeGC == 0) {
                    System.gc();
                    logger.info("Invoked Garbage collector to prevent OutOfMemory Errors");
                }
            }

            flushingFullTextSession(total, resultNumber, fullTextSession);
            tx.commit();

            logger.info("Initiating Lucene Index Optimze...");
            SearchFactory searchFactory = fullTextSession.getSearchFactory();
            searchFactory.optimize(entityClass);
            logger.info("Finished Lucene Index Optimze");
        } else {
            logger.info("No Entities found to be indexed.");
        }
        logger.info("Indexing documents terminated without errors.");
    } catch (Throwable throwable) {
        logger.error(throwable);
    } finally {
        if (results != null) {
            results.close();
        }
        if (fullTextSession.isOpen()) {
            fullTextSession.close();
        }
        if (session.isOpen()) {
            session.close();
        }
    }
}

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From source file:org.n52.sos.ds.hibernate.dao.AbstractObservationDAO.java

License:Open Source License

public SosEnvelope getSpatialFilteringProfileEnvelopeForOfferingId(String offeringID, Session session)
        throws OwsExceptionReport {
    try {// ww w .  j av  a  2 s.co  m
        // XXX workaround for Hibernate Spatial's lack of support for
        // GeoDB's extent aggregate see
        // http://www.hibernatespatial.org/pipermail/hibernatespatial-users/2013-August/000876.html
        Dialect dialect = ((SessionFactoryImplementor) session.getSessionFactory()).getDialect();
        if (GeometryHandler.getInstance().isSpatialDatasource()
                && HibernateHelper.supportsFunction(dialect, HibernateConstants.FUNC_EXTENT)) {
            Criteria criteria = getDefaultObservationInfoCriteria(session);
            criteria.setProjection(SpatialProjections.extent(AbstractObservationTime.SAMPLING_GEOMETRY));
            criteria.createCriteria(AbstractObservation.OFFERINGS)
                    .add(Restrictions.eq(Offering.IDENTIFIER, offeringID));
            LOGGER.debug("QUERY getSpatialFilteringProfileEnvelopeForOfferingId(offeringID): {}",
                    HibernateHelper.getSqlString(criteria));
            Geometry geom = (Geometry) criteria.uniqueResult();
            geom = GeometryHandler.getInstance().switchCoordinateAxisFromToDatasourceIfNeeded(geom);
            if (geom != null) {
                return new SosEnvelope(geom.getEnvelopeInternal(),
                        GeometryHandler.getInstance().getStorageEPSG());
            }
        } else {
            final Envelope envelope = new Envelope();
            Criteria criteria = getDefaultObservationInfoCriteria(session);
            criteria.createCriteria(AbstractObservation.OFFERINGS)
                    .add(Restrictions.eq(Offering.IDENTIFIER, offeringID));
            LOGGER.debug("QUERY getSpatialFilteringProfileEnvelopeForOfferingId(offeringID): {}",
                    HibernateHelper.getSqlString(criteria));
            @SuppressWarnings("unchecked")
            final List<AbstractObservationTime> observationTimes = criteria.list();
            if (CollectionHelper.isNotEmpty(observationTimes)) {
                for (final AbstractObservationTime observationTime : observationTimes) {
                    if (observationTime.hasSamplingGeometry()) {
                        final Geometry geom = observationTime.getSamplingGeometry();
                        if (geom != null && geom.getEnvelopeInternal() != null) {
                            envelope.expandToInclude(geom.getEnvelopeInternal());
                        }
                    }
                }
                if (!envelope.isNull()) {
                    return new SosEnvelope(envelope, GeometryHandler.getInstance().getStorageEPSG());
                }
            }
        }
    } catch (final HibernateException he) {
        throw new NoApplicableCodeException().causedBy(he)
                .withMessage("Exception thrown while requesting feature envelope for observation ids");
    }
    return null;
}

---

From source file:org.n52.sos.ds.hibernate.dao.AbstractSpatialFilteringProfileDAO.java

License:Open Source License

/**
 * Get the Capabilities envelope for offering from Spatial Filtering Profile
 * /*from  w w  w . j  a va2  s . c  om*/
 * @param clazz
 *            Entity to create Criteria for
 * @param offeringID
 *            Offering identifier
 * @param session
 *            Hibernate session
 * @return Envelope
 * @throws OwsExceptionReport
 *             If coordinate switching fails
 */
@SuppressWarnings("rawtypes")
protected SosEnvelope getEnvelopeForOfferingId(Class clazz, String offeringID, Session session)
        throws OwsExceptionReport {
    try {
        // XXX workaround for Hibernate Spatial's lack of support for
        // GeoDB's extent aggregate see
        // http://www.hibernatespatial.org/pipermail/hibernatespatial-users/2013-August/000876.html
        Dialect dialect = ((SessionFactoryImplementor) session.getSessionFactory()).getDialect();
        if (GeometryHandler.getInstance().isSpatialDatasource()
                && HibernateHelper.supportsFunction(dialect, HibernateConstants.FUNC_EXTENT)) {
            Criteria criteria = session.createCriteria(clazz);
            criteria.setProjection(SpatialProjections.extent(FeatureOfInterest.GEOMETRY));
            Criteria createCriteria = criteria.createCriteria(AbstractSpatialFilteringProfile.OBSERVATION);
            createCriteria.createCriteria(AbstractObservation.OFFERINGS)
                    .add(Restrictions.eq(Offering.IDENTIFIER, offeringID));
            LOGGER.debug("QUERY getEnvelopeForOfferingId(offeringID): {}",
                    HibernateHelper.getSqlString(criteria));
            Geometry geom = (Geometry) criteria.uniqueResult();
            if (geom != null) {
                int srid = geom.getSRID() > 0 ? geom.getSRID() : GeometryHandler.getInstance().getStorageEPSG();
                geom.setSRID(srid);
                return new SosEnvelope(GeometryHandler.getInstance()
                        .switchCoordinateAxisFromToDatasourceIfNeeded(geom).getEnvelopeInternal(), srid);
            }
        } else {
            final Envelope envelope = new Envelope();
            Criteria criteria = session.createCriteria(getSpatialFilteringProfileImpl().getClass());
            Criteria createCriteria = criteria.createCriteria(AbstractSpatialFilteringProfile.OBSERVATION);
            createCriteria.createCriteria(AbstractObservation.OFFERINGS)
                    .add(Restrictions.eq(Offering.IDENTIFIER, offeringID));
            LOGGER.debug("QUERY getEnvelopeForOfferingId(offeringID): {}",
                    HibernateHelper.getSqlString(criteria));
            @SuppressWarnings("unchecked")
            final List<AbstractSpatialFilteringProfile> spatialFilteringProfiles = criteria.list();
            if (CollectionHelper.isNotEmpty(spatialFilteringProfiles)) {
                for (final AbstractSpatialFilteringProfile spatialFilteringProfile : spatialFilteringProfiles) {
                    try {
                        final Geometry geom = getGeomtery(spatialFilteringProfile);
                        if (geom != null && geom.getEnvelopeInternal() != null) {
                            envelope.expandToInclude(geom.getEnvelopeInternal());
                        }
                    } catch (final OwsExceptionReport owse) {
                        LOGGER.warn(String.format("Error while adding '%s' to envelope!",
                                spatialFilteringProfile.getSpatialFilteringProfileId()), owse);
                    }

                }
                if (!envelope.isNull()) {
                    return new SosEnvelope(envelope, GeometryHandler.getInstance().getStorageEPSG());
                }
            }
        }
    } catch (final HibernateException he) {
        throw new NoApplicableCodeException().causedBy(he)
                .withMessage("Exception thrown while requesting feature envelope for observation ids");
    }
    return null;
}

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From source file:org.n52.sos.ds.hibernate.HibernateFeatureQueryHandler.java

License:Open Source License

@Override
public SosEnvelope getEnvelopeForFeatureIDs(FeatureQueryHandlerQueryObject queryObject)
        throws OwsExceptionReport {
    final Session session = HibernateSessionHolder.getSession(queryObject.getConnection());
    if (queryObject.isSetFeatureIdentifiers()) {
        try {/*  ww  w  .  j a  va 2  s. co m*/
            // XXX workaround for Hibernate Spatial's lack of support for
            // GeoDB's extent aggregate
            // see
            // http://www.hibernatespatial.org/pipermail/hibernatespatial-users/2013-August/000876.html
            Dialect dialect = ((SessionFactoryImplementor) session.getSessionFactory()).getDialect();
            if (GeometryHandler.getInstance().isSpatialDatasource()
                    && HibernateHelper.supportsFunction(dialect, HibernateConstants.FUNC_EXTENT)) {
                // Criteria featureExtentCriteria =
                // session.createCriteria(FeatureOfInterest.class)
                // .add(Restrictions.in(FeatureOfInterest.IDENTIFIER,
                // featureIDs))
                // .setProjection(SpatialProjections.extent(FeatureOfInterest.GEOMETRY));
                // LOGGER.debug("QUERY getEnvelopeForFeatureIDs(featureIDs): {}",
                // HibernateHelper.getSqlString(featureExtentCriteria));
                // Geometry geom = (Geometry)
                // featureExtentCriteria.uniqueResult();
                Geometry geom = (Geometry) session.createCriteria(FeatureOfInterest.class)
                        .add(Restrictions.in(FeatureOfInterest.IDENTIFIER, queryObject.getFeatureIdentifiers()))
                        .setProjection(SpatialProjections.extent(FeatureOfInterest.GEOMETRY)).uniqueResult();
                if (geom != null) {
                    int srid = geom.getSRID() > 0 ? geom.getSRID() : getStorageEPSG();
                    geom.setSRID(srid);
                    geom = getGeometryHandler().switchCoordinateAxisFromToDatasourceIfNeeded(geom);
                    return new SosEnvelope(geom.getEnvelopeInternal(), srid);
                }
            } else {
                final Envelope envelope = new Envelope();
                final List<FeatureOfInterest> featuresOfInterest = new FeatureOfInterestDAO()
                        .getFeatureOfInterestObject(queryObject.getFeatureIdentifiers(), session);
                for (final FeatureOfInterest feature : featuresOfInterest) {
                    try {
                        // TODO Check if prepareGeometryForResponse required
                        // transform/switch
                        // final Geometry geom =
                        // getGeometryHandler().prepareGeometryForResponse(getGeomtery(feature),
                        // queryObject.getRequestedSrid());
                        final Geometry geom = getGeomtery(feature, session);
                        if (geom != null) {
                            envelope.expandToInclude(geom.getEnvelopeInternal());
                        }
                    } catch (final OwsExceptionReport owse) {
                        LOGGER.warn(String.format("Error while adding '%s' to envelope!",
                                feature.getFeatureOfInterestId()), owse);
                    }
                }
                if (!envelope.isNull()) {
                    return new SosEnvelope(envelope, getDefaultEPSG());
                }
            }
        } catch (final HibernateException he) {
            throw new NoApplicableCodeException().causedBy(he)
                    .withMessage("Exception thrown while requesting global feature envelope");
        }
    }
    return null;
}

---

From source file:org.n52.sos.ds.hibernate.testdata.TestDataConfiguratorInitializedListener.java

License:Open Source License

private boolean isAutoInsertGeoDB() throws OwsExceptionReport {
    HibernateSessionHolder sessionHolder = new HibernateSessionHolder();
    Session session = sessionHolder.getSession();
    Dialect dialect = ((SessionFactoryImplementor) session.getSessionFactory()).getDialect();
    Properties props = ((SessionFactoryImplementor) session.getSessionFactory()).getProperties();
    String url = null;/* w  w  w.  j a  v  a  2 s  .  c om*/
    Object urlObject = props.get(HIBERNATE_CONNECTION_URL);
    if (urlObject != null && urlObject instanceof String) {
        url = (String) urlObject;
    }
    sessionHolder.returnSession(session);
    return dialect != null & url != null && dialect instanceof GeoDBDialect
            && url.startsWith(AUTO_INSERT_H2_URL);
}

---

From source file:org.n52.sos.ds.hibernate.util.HibernateHelper.java

License:Open Source License

/**
 * Get the SQL query string from HQL Query.
 *
 * @param query/*from  ww w.j a  v a  2 s  .  c  o m*/
 *            HQL query to convert to SQL
 * @return SQL query string from HQL
 */
public static String getSqlString(Query query, Session session) {
    final QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    SessionFactory sessionFactory = session.getSessionFactory();
    final QueryTranslatorImpl qt = (QueryTranslatorImpl) ast.createQueryTranslator("id", query.getQueryString(),
            Maps.newHashMap(), (SessionFactoryImplementor) sessionFactory, null);
    qt.compile(null, false);
    return qt.getSQLString();
}

---

From source file:org.n52.sos.ds.hibernate.util.HibernateHelper.java

License:Open Source License

public static Dialect getDialect(Session session) {
    return ((SessionFactoryImplementor) session.getSessionFactory()).getDialect();
}

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From source file:org.n52.sos.ds.hibernate.util.HibernateMetadataCache.java

License:Open Source License

private Map<String, ClassMetadata> initClassMetadata(Session session) {
    return ImmutableMap.copyOf(session.getSessionFactory().getAllClassMetadata());
}

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