Example usage for org.springframework.orm.hibernate5 HibernateTransactionManager HibernateTransactionManager

Introduction

In this page you can find the example usage for org.springframework.orm.hibernate5 HibernateTransactionManager HibernateTransactionManager.

Prototype

public HibernateTransactionManager(SessionFactory sessionFactory) 

Source Link

Document

Create a new HibernateTransactionManager instance.

Usage

From source file:org.projectforge.framework.persistence.history.HibernateSearchReindexer.java

@SuppressWarnings({ "rawtypes", "unchecked" })
private void reindex(final Class<?> clazz, final ReindexSettings settings, final StringBuffer buf) {
    // PF-378: Performance of run of full re-indexing the data-base is very slow for large data-bases
    // Single transactions needed, otherwise the full run will be very slow for large data-bases.
    final TransactionTemplate tx = new TransactionTemplate(
            new HibernateTransactionManager(hibernate.getSessionFactory()));
    tx.execute(new TransactionCallback() {
        // The call-back is needed, otherwise a lot of transactions are left open until last run is completed:
        @Override/*  w  ww  .  jav a  2  s .c o m*/
        public Object doInTransaction(final TransactionStatus status) {
            try {
                hibernate.execute(new HibernateCallback() {
                    @Override
                    public Object doInHibernate(final Session session) throws HibernateException {
                        databaseDao.reindex(clazz, settings, buf);
                        status.setRollbackOnly();
                        return null;
                    }
                });
            } catch (final Exception ex) {
                buf.append(" (an error occured, see log file for further information.), ");
                log.error("While rebuilding data-base-search-index for '" + clazz.getName() + "': "
                        + ex.getMessage(), ex);
            }
            return null;
        }
    });
}

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From source file:org.projectforge.framework.persistence.xstream.HibernateXmlConverter.java

/**
 * Schreibt alle Objekte der Datenbank in den angegebenen Writer.<br/>
 * <b>Warnung!</b> Bei der Serialisierung von Collections wird derzeit nur {@link java.util.Set} sauber untersttzt.
 * //from w  w w .j ava2s .  c o m
 * @param writer Ziel fr die XML-Datei.
 * @param includeHistory bei false werden die History Eintrge nicht geschrieben
 * @param preserveIds If true, the object ids will be preserved, otherwise new ids will be assigned through xstream.
 */
public void dumpDatabaseToXml(final Writer writer, final boolean includeHistory, final boolean preserveIds) {
    final TransactionTemplate tx = new TransactionTemplate(
            new HibernateTransactionManager(hibernate.getSessionFactory()));
    tx.execute(new TransactionCallback() {
        @Override
        public Object doInTransaction(final TransactionStatus status) {
            hibernate.execute(new HibernateCallback() {
                @Override
                public Object doInHibernate(final Session session) throws HibernateException {
                    writeObjects(writer, includeHistory, session, preserveIds);
                    status.setRollbackOnly();
                    return null;
                }
            });
            return null;
        }
    });
}

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