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.jboss.pnc.datastore.repositories.DefaultSequenceHandlerRepository.java

License:Open Source License

@Override
public void dropSequence(final String sequenceName) {

    Work work = new Work() {
        @Override//from  ww  w. j av a  2  s  .c o  m
        public void execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(getResolutionInfo(connection));
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection
                        .prepareStatement(dialect.getDropSequenceStrings(sequenceName)[0]);
                preparedStatement.execute();
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    sessionFactory.getCurrentSession().doWork(work);
}

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From source file:org.jboss.pnc.datastore.repositories.SequenceHandlerRepository.java

License:Open Source License

public Long getNextID(final String sequenceName) {

    ReturningWork<Long> maxReturningWork = new ReturningWork<Long>() {
        @Override//from w  w  w .  j a  va2 s  . c  o  m
        public Long execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(connection.getMetaData());
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection.prepareStatement(dialect.getSequenceNextValString(sequenceName));
                resultSet = preparedStatement.executeQuery();
                resultSet.next();
                return resultSet.getLong(1);
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();

    Long maxRecord = sessionFactory.getCurrentSession().doReturningWork(maxReturningWork);
    return maxRecord;
}

---

From source file:org.jboss.pnc.datastore.repositories.SequenceHandlerRepository.java

License:Open Source License

public void createSequence(final String sequenceName) {

    if (sequenceExists(sequenceName)) {
        return;/*w ww . j  av a2s  . c  o m*/
    }
    Work work = new Work() {
        @Override
        public void execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(connection.getMetaData());
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection
                        .prepareStatement(dialect.getCreateSequenceStrings(sequenceName, 1, 1)[0]);
                preparedStatement.execute();
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    sessionFactory.getCurrentSession().doWork(work);
}

---

From source file:org.jboss.pnc.datastore.repositories.SequenceHandlerRepository.java

License:Open Source License

public boolean sequenceExists(final String sequenceName) {
    ReturningWork<Boolean> work = new ReturningWork<Boolean>() {
        @Override//from w  w  w .ja  va  2 s.  c  o  m
        public Boolean execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(connection.getMetaData());
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection.prepareStatement(dialect.getQuerySequencesString());
                resultSet = preparedStatement.executeQuery();
                while (resultSet.next()) {
                    if (sequenceName.equals(resultSet.getString(1))) {
                        return true;
                    }
                }
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }
            return false;

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    return sessionFactory.getCurrentSession().doReturningWork(work);
}

---

From source file:org.jboss.pnc.datastore.repositories.SequenceHandlerRepository.java

License:Open Source License

public void dropSequence(final String sequenceName) {

    Work work = new Work() {
        @Override/*www .j  a  v a  2s. co m*/
        public void execute(Connection connection) throws SQLException {
            DialectResolver dialectResolver = new StandardDialectResolver();
            Dialect dialect = dialectResolver.resolveDialect(connection.getMetaData());
            PreparedStatement preparedStatement = null;
            ResultSet resultSet = null;
            try {
                preparedStatement = connection
                        .prepareStatement(dialect.getDropSequenceStrings(sequenceName)[0]);
                preparedStatement.execute();
            } catch (SQLException e) {
                throw e;
            } finally {
                if (preparedStatement != null) {
                    preparedStatement.close();
                }
                if (resultSet != null) {
                    resultSet.close();
                }
            }

        }
    };

    Session session = (Session) entityManager.getDelegate();
    SessionFactory sessionFactory = session.getSessionFactory();
    sessionFactory.getCurrentSession().doWork(work);
}

---

From source file:org.jboss.seam.wiki.core.nestedset.listener.NestedSetOperation.java

License:LGPL

protected Connection getConnection(Session session) throws Exception {
    // We do not use session.connection() because it conflicts with Hibernates aggressive collection release
    return ((SessionFactoryImpl) session.getSessionFactory()).getConnectionProvider().getConnection();
}

---

From source file:org.jboss.tools.hibernate3_5.console.ConsoleExtension3_5.java

License:Open Source License

private boolean hasMetaData(Object object, Session currentSession) {
    return currentSession.getSessionFactory()
            .getClassMetadata(HibernateProxyHelper.getClassWithoutInitializingProxy(object)) != null;
}

---

From source file:org.jboss.tools.hibernate3_5.console.EntityPropertySource.java

License:Open Source License

public EntityPropertySource(final Object object, final Session currentSession, HibernateExtension extension) {
    this.currentSession = currentSession;
    this.extension = extension;
    reflectedObject = object;/*  w  w  w .  ja v  a2  s  .  c om*/
    if (currentSession.isOpen()) {
        classMetadata = currentSession.getSessionFactory()
                .getClassMetadata(currentSession.getEntityName(reflectedObject));
    } else {
        classMetadata = currentSession.getSessionFactory()
                .getClassMetadata(HibernateProxyHelper.getClassWithoutInitializingProxy(reflectedObject));
    }

}

---

From source file:org.medici.bia.dao.document.DocumentDAOJpaImpl.java

License:Open Source License

/**
 * //from w  w w  .ja v  a 2 s  .com
 * @throws PersistenceException
 */
public void generateIndex() 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);

        Long total = (Long) entityManager.createQuery("SELECT count(entryId) FROM Document").getSingleResult();
        logger.info("Total Entities to be indexed : " + total);

        if (total > 0) {
            Transaction tx = fullTextSession.beginTransaction();
            fullTextSession.purgeAll(Document.class);
            tx.commit();
            logger.info("Removed all documents.");
            Integer numberOfElements = 100;

            Integer numberOfElementsBeforeGC = 1000;
            String queryJPA = "FROM Document ORDER BY entryId asc";

            org.hibernate.Query query = session.createQuery(queryJPA);
            tx = fullTextSession.beginTransaction();
            query.setReadOnly(true);
            query.setLockMode("a", LockMode.NONE);
            results = query.scroll(ScrollMode.FORWARD_ONLY);
            Integer resultNumber = 0;
            while (results.next()) {
                Document document = (Document) results.get(0);
                fullTextSession.index(document);
                resultNumber++;

                if (resultNumber % numberOfElements == 0) {
                    logger.info("Initiating Lucene Index Flush... ");
                    fullTextSession.flushToIndexes();
                    fullTextSession.clear();
                    logger.info("Finished the Lucene Index Flush...  Total records on index " + resultNumber
                            + "/" + total);
                }

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

            fullTextSession.flushToIndexes();
            fullTextSession.clear();
            tx.commit();

            logger.info("Initiating Lucene Index Optimze...");
            SearchFactory searchFactory = fullTextSession.getSearchFactory();
            searchFactory.optimize(Document.class);
            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 != null) {
            fullTextSession.close();
        }
        if (session != null) {
            session.close();
        }
    }
}

---

From source file:org.medici.bia.dao.document.DocumentDAOJpaImpl.java

License:Open Source License

/**
 * //from   w  w  w .  j a v a  2s  .com
 * @throws PersistenceException
 */
@Override
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(entryId) FROM Document 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 Document 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()) {
                Document document = (Document) results.get(0);
                fullTextSession.delete(document);
                fullTextSession.index(document);
                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);

            /*            logger.info("Initiating Lucene Index Optimze...");
                          SearchFactory searchFactory = fullTextSession.getSearchFactory();
                          searchFactory.optimize(Document.class);
            */
            logger.info("Finished Lucene Index Optimze");

            tx.commit();
        } 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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