Example usage for org.hibernate FlushMode MANUAL

List of usage examples for org.hibernate FlushMode MANUAL

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Prototype

FlushMode MANUAL

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Document

The Session is only ever flushed when Session#flush is explicitly called by the application.

Usage

From source file:org.grails.orm.hibernate4.support.GrailsOpenSessionInViewInterceptor.java

License:Apache License

protected void applyFlushMode(Session session) {
    FlushMode hibernateFlushMode = FlushMode.AUTO;
    switch (flushMode) {
    case AUTO://from  w ww.j ava2  s. c  om
        hibernateFlushMode = FlushMode.AUTO;
        break;
    case MANUAL:
        hibernateFlushMode = FlushMode.MANUAL;
        break;
    case COMMIT:
        hibernateFlushMode = FlushMode.COMMIT;
        break;
    case ALWAYS:
        hibernateFlushMode = FlushMode.ALWAYS;
        break;
    }
    session.setFlushMode(hibernateFlushMode);
}

From source file:org.grails.orm.hibernate4.support.GrailsOpenSessionInViewInterceptor.java

License:Apache License

@Override
public void postHandle(WebRequest request, ModelMap model) throws DataAccessException {
    final boolean isFlowRequest = request.getAttribute(IS_FLOW_REQUEST_ATTRIBUTE,
            WebRequest.SCOPE_REQUEST) != null;
    if (isFlowRequest) {
        return;/*ww  w.  j a v  a2s .co m*/
    }

    SessionHolder sessionHolder = (SessionHolder) TransactionSynchronizationManager
            .getResource(getSessionFactory());
    Session session = sessionHolder != null ? sessionHolder.getSession() : null;
    try {
        super.postHandle(request, model);
        if (session != null && flushMode != AbstractHibernateDatastore.FlushMode.MANUAL
                && !FlushMode.isManualFlushMode(session.getFlushMode())) {
            logger.debug("Eagerly flushing Hibernate session");
            session.flush();
        }
    } finally {
        if (session != null) {
            session.setFlushMode(FlushMode.MANUAL);
        }
    }
}

From source file:org.grails.orm.hibernate4.support.GrailsOpenSessionInViewInterceptor.java

License:Apache License

public void setFlushMode(int flushMode) {
    if (AbstractHibernateDatastore.FlushMode.AUTO.getLevel() == flushMode) {
        this.flushMode = AbstractHibernateDatastore.FlushMode.AUTO;
    } else if (AbstractHibernateDatastore.FlushMode.MANUAL.getLevel() == flushMode) {
        this.flushMode = AbstractHibernateDatastore.FlushMode.MANUAL;
    } else if (AbstractHibernateDatastore.FlushMode.COMMIT.getLevel() == flushMode) {
        this.flushMode = AbstractHibernateDatastore.FlushMode.COMMIT;
    } else if (AbstractHibernateDatastore.FlushMode.ALWAYS.getLevel() == flushMode) {
        this.flushMode = AbstractHibernateDatastore.FlushMode.ALWAYS;
    }//from   ww  w.  j  ava  2  s . co m
}

From source file:org.grails.webflow.persistence.SessionAwareHibernateFlowExecutionListener.java

License:Apache License

private Session createSession(RequestContext context) {
    Session session;/*from   w  w w.  java 2s  .  c  o m*/
    if (entityInterceptor != null) {
        if (hibernate3Present) {
            try {
                session = (Session) openSessionWithInterceptorMethod.invoke(localSessionFactory,
                        entityInterceptor);
            } catch (IllegalAccessException ex) {
                throw new IllegalStateException("Unable to open Hibernate 3 session", ex);
            } catch (InvocationTargetException ex) {
                throw new IllegalStateException("Unable to open Hibernate 3 session", ex);
            }
        } else {
            session = localSessionFactory.withOptions().interceptor(entityInterceptor).openSession();
        }
    } else {
        if (hibernate3Present) {
            try {
                session = (Session) openSessionMethod.invoke(localSessionFactory);
            } catch (IllegalAccessException ex) {
                throw new IllegalStateException("Unable to open Hibernate 3 session", ex);
            } catch (InvocationTargetException ex) {
                throw new IllegalStateException("Unable to open Hibernate 3 session", ex);
            }
        } else {
            session = localSessionFactory.openSession();
        }
    }
    session.setFlushMode(FlushMode.MANUAL);
    return session;
}

From source file:org.grouter.common.hibernatesearch.FullIndexHandler.java

License:Apache License

/**
 * Creates index/*from  w w  w  .  j  ava2  s  . c  om*/
 *
 * @param batchSize batch index parameter
 * @param session the Hibernate session
 * @param theIndexClass classes to index
 */
public void doFullIndex(int batchSize, Session session, Class... theIndexClass) {
    FullTextSession fullTextSession = Search.createFullTextSession(session);
    fullTextSession.setFlushMode(FlushMode.MANUAL);
    fullTextSession.setCacheMode(CacheMode.IGNORE);
    //Scrollable results will avoid loading too many objects in memory
    for (Class theClass : theIndexClass) {
        ScrollableResults results = fullTextSession.createCriteria(theClass).scroll(ScrollMode.FORWARD_ONLY);
        int index = 0;
        while (results.next()) {
            index++;
            fullTextSession.index(results.get(0)); //index each element
            if (index % batchSize == 0) {
                session.clear(); //clear every batchSize since the queue is processed
            }
        }
    }
}

From source file:org.grouter.domain.dao.spring.SystemDAOImpl.java

License:Apache License

public void doFullIndex(int batchSize, Class theIndexClass, Session session)// Class... clazzes)
{
    FullTextSession fullTextSession = Search.createFullTextSession(session);
    fullTextSession.setFlushMode(FlushMode.MANUAL);
    fullTextSession.setCacheMode(CacheMode.IGNORE);
    //Transaction transaction = fullTextSession.beginTransaction();
    //Scrollable results will avoid loading too many objects in memory
    ScrollableResults results = fullTextSession.createCriteria(theIndexClass).scroll(ScrollMode.FORWARD_ONLY);
    int index = 0;
    while (results.next()) {
        index++;//w  w w  . j a  v  a2 s.c  om
        fullTextSession.index(results.get(0)); //index each element
        if (index % batchSize == 0) {
            session.clear(); //clear every batchSize since the queue is processed
        }
    }
    //transaction.commit();
}

From source file:org.headsupdev.agile.app.search.Reindex.java

License:Open Source License

public void run() {
    Task reindex = new ReindexTask();
    Manager.getInstance().addTask(reindex);

    try {/* w w  w  .  jav a 2 s.  c o m*/
        for (String className : HibernateUtil.getEntityClassNames()) {
            Session session = HibernateUtil.getCurrentSession();
            FullTextSession fullTextSession = org.hibernate.search.Search
                    .createFullTextSession(((SessionProxy) session).getRealSession());
            Transaction tx = fullTextSession.beginTransaction();

            fullTextSession.setFlushMode(FlushMode.MANUAL);
            fullTextSession.setCacheMode(CacheMode.IGNORE);

            Manager.getLogger(getClass().getName()).debug("  object type " + className);

            //Scrollable results will avoid loading too many objects in memory
            ScrollableResults results = fullTextSession.createCriteria(className).setFetchSize(BATCH_SIZE)
                    .scroll(ScrollMode.FORWARD_ONLY);

            int index = 0;
            while (results.next()) {
                Object o = results.get(0);

                index++;
                if (o.getClass().isAnnotationPresent(Indexed.class)) {
                    if (HeadsUpConfiguration.isDebug()) {
                        System.out.print(".");
                    }
                    fullTextSession.index(o); //index each element
                }
                if (index % BATCH_SIZE == 0) {
                    fullTextSession.flushToIndexes(); //apply changes to indexes
                    fullTextSession.clear(); //clear since the queue is processed
                }
            }
            tx.commit();

            if (HeadsUpConfiguration.isDebug()) {
                System.out.println();
            }
        }
    } catch (Exception e) {
        Manager.getLogger(getClass().getName()).error("Failed to reindex search data", e);
    }

    Manager.getInstance().removeTask(reindex);
}

From source file:org.hyperic.hq.authz.server.session.ResourceDAO.java

License:Open Source License

/**
 * Find a Resource by type Id and instance Id, allowing for the query to
 * return a stale copy of the resource (for efficiency reasons).
 * /*from w  ww . j a v  a  2  s.com*/
 * @param typeId The type Id.
 * @param id The instance Id.
 * @param allowStale <code>true</code> to allow stale copies of an alert
 *        definition in the query results; <code>false</code> to never allow
 *        stale copies, potentially always forcing a sync with the database.
 * @return The Resource.
 */
public Resource findByInstanceId(Integer typeId, Integer id, boolean allowStale) {
    FlushMode oldFlushMode = this.getSession().getFlushMode();

    try {
        if (allowStale) {
            this.getSession().setFlushMode(FlushMode.MANUAL);
        }

        return findByInstanceId(typeId, id);
    } finally {
        this.getSession().setFlushMode(oldFlushMode);
    }
}

From source file:org.hyperic.hq.events.server.session.AlertDefinitionDAO.java

License:Open Source License

/**
 * Find the alert def for a given appdef entity that is the child of the
 * parent alert def passed in, allowing for the query to return a stale copy
 * of the alert definition (for efficiency reasons).
 * /*from w  w w .j  a v  a 2s .  c om*/
 * @param ent
 * @param parentId
 * @param allowStale <code>true</code> to allow stale copies of an alert
 *        definition in the query results; <code>false</code> to never allow
 *        stale copies, potentially always forcing a sync with the database.
 * @return The alert definition or <code>null</code>.
 */
public AlertDefinition findChildAlertDef(Resource res, Integer parentId, boolean allowStale) {
    Session session = this.getSession();
    FlushMode oldFlushMode = session.getFlushMode();

    try {
        if (allowStale) {
            session.setFlushMode(FlushMode.MANUAL);
        }

        return findChildAlertDef(res, parentId);
    } finally {
        session.setFlushMode(oldFlushMode);
    }
}

From source file:org.hyperic.hq.events.server.session.EventLogDAO.java

License:Open Source License

/**
 * Insert the event logs in batch, with batch size specified by the
 * <code>hibernate.jdbc.batch_size</code> configuration property.
 * //  www . j  ava2s  . c o m
 * @param eventLogs The event logs to insert.
 */
void insertLogs(EventLog[] eventLogs) {
    Session session = getSession();

    FlushMode flushMode = session.getFlushMode();
    CacheMode cacheMode = session.getCacheMode();

    try {
        session.setFlushMode(FlushMode.MANUAL);

        // We do not want to update the 2nd level cache with these event
        // logs
        session.setCacheMode(CacheMode.IGNORE);

        for (int i = 0; i < eventLogs.length; i++) {
            create(eventLogs[i]);
        }

        session.flush();
        session.clear();
    } finally {
        session.setFlushMode(flushMode);
        session.setCacheMode(cacheMode);
    }
}