Example usage for org.hibernate Session clear

List of usage examples for org.hibernate Session clear

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Introduction

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

Prototype

void clear();

Source Link

Document

Completely clear the session.

Usage

From source file:com.autentia.intra.dao.hibernate.HibernateManagerBase.java

License:Open Source License

public ITransferObject merge(ITransferObject obj) throws DataAccException {
    Serializable pk = obj.getId();
    if (pk == null)
        return obj;

    try {/*from   www . j  ava 2  s  .c  om*/
        Session session = null;
        session = HibernateUtil.currentSession();
        session.beginTransaction();
        log.debug("objeto con clave '" + pk + "' recuperado para mezcla");
        obj = (ITransferObject) session.merge(obj);
        try {
            session.getTransaction().commit();

            log.debug("objeto con clave '" + pk + "' correctamente mezclado");
        } catch (HibernateException ex) {
            session.getTransaction().rollback();
            session.clear();
        }
    } catch (Exception ex) {
        String msg = "Error mezclando el objeto '" + obj + "' con clave primaria '" + pk + "'";
        log.debug("error mezclando el objeto '" + pk + "': " + msg);
        throw new DataAccException(msg, ex);
    }
    return obj;
}

From source file:com.baculsoft.demo.service.RegistrationService.java

public List[] getAllList() {
    logger.info("#Enter getAllList()");
    Session session = sessionFactoryPrimary.openSession();
    List listCreditCardCustomer = session.createCriteria(CreditCardCustomer.class).list();
    session.close();// w ww .j ava  2 s.com

    Session session2 = sessionFactorySecondary.openSession();
    List listCustomer = session2.createCriteria(Customer.class).list();
    session2.clear();
    logger.info("#End getAllList()");
    return new List[] { listCreditCardCustomer, listCustomer };

}

From source file:com.baomidou.hibernateplus.dao.impl.DaoImpl.java

License:Open Source License

@Override
public boolean insertBatch(List<P> list, int size) {
    Assert.notEmpty(list);//  www .ja  v  a 2 s  .  c om
    try {
        Session session = HibernateUtils.getSession(masterSession(), isCurrent());
        for (int i = 0; i < list.size(); i++) {
            session.save(list.get(i));
            if (i % size == 0) {
                session.flush();
                session.clear();
            }
        }
    } catch (Exception e) {
        logger.warn("Warn: Unexpected exception.  Cause:" + e);
        return false;
    }
    return true;
}

From source file:com.baomidou.hibernateplus.dao.impl.DaoImpl.java

License:Open Source License

@Override
public boolean updateBatch(List<P> list, int size) {
    Assert.notEmpty(list);/* ww w  . j  a v  a  2  s  .co m*/
    try {
        Session session = HibernateUtils.getSession(masterSession(), isCurrent());
        for (int i = 0; i < list.size(); i++) {
            session.merge(list.get(i));
            if (i % size == 0) {
                session.flush();
                session.clear();
            }
        }
    } catch (Exception e) {
        logger.warn("Warn: Unexpected exception.  Cause:" + e);
        return false;
    }
    return true;

}

From source file:com.baomidou.hibernateplus.dao.impl.DaoImpl.java

License:Open Source License

@Override
public boolean saveOrUpdateBatch(List<P> list, int size) {
    Assert.notEmpty(list);//  w  w w. ja v a 2s .c  o  m
    try {
        Session session = HibernateUtils.getSession(masterSession(), isCurrent());
        for (int i = 0; i < list.size(); i++) {
            session.saveOrUpdate(list.get(i));
            if (i % size == 0) {
                session.flush();
                session.clear();
            }
        }
    } catch (Exception e) {
        logger.warn("Warn: Unexpected exception.  Cause:" + e);
        return false;
    }
    return true;

}

From source file:com.britesnow.snow.web.db.hibernate.HibernateDaoHelperImpl.java

License:Apache License

public void flushAndClear() {
    Session session = getSession();
    try {//from   w  ww. j a v a 2  s .com
        session.flush();
        session.clear();
    } catch (Throwable e) {
        throw new SnowHibernateException(e);
    }
}

From source file:com.candy.db.StockEodProc.java

/**
 * insert the records into database/*  w  ww  .  j a va 2s. c  o  m*/
 * @param stockEodLst
 * @return 
 */
public boolean writeHisStockData(Collection<Stockeod> stockEodLst) {
    try {
        Session session = sf.openSession();
        Transaction tx = session.beginTransaction();
        int count = 0;

        for (Stockeod stockEod : stockEodLst) {
            session.save(stockEod);
            if (++count % 20 == 0) {
                session.flush();
                session.clear();
            }
        }
        tx.commit();
        session.close();
        return true;
    } catch (HibernateException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:com.cosylab.cdb.jdal.hibernate.plugin.HibernateWDALAlarmPluginImpl.java

License:Open Source License

public static void importAlarms(Session session, Configuration config, ConfigurationAccessor conf,
        Logger m_logger) throws Exception {
    // clean up whatever is in the session
    session.getTransaction().commit();/*from w ww . j a v  a  2  s.  c o m*/
    session.clear();
    session.beginTransaction();

    // create DAOs
    ACSAlarmDAOImpl alarmDAO = new ACSAlarmDAOImpl(m_logger);
    ACSCategoryDAOImpl categoryDAO = new ACSCategoryDAOImpl(m_logger, alarmDAO);
    ACSResponsiblePersonDAOImpl responsiblePersonDAO = new ACSResponsiblePersonDAOImpl();

    // configure
    alarmDAO.setConfAccessor(conf);
    alarmDAO.setSurveillanceAlarmId("SURVEILLANCE:SOURCE:1");
    alarmDAO.setResponsiblePersonDAO(responsiblePersonDAO);

    categoryDAO.setConfAccessor(conf);
    //categoryDAO.setCategoryTreeRoot("ACS");
    categoryDAO.setCategoryTreeRoot("ROOT");
    categoryDAO.setSurveillanceCategoryPath("ACS.SURVEILLANCE");

    responsiblePersonDAO.setAlarmDAO(alarmDAO);

    // load
    final List<alma.acs.alarmsystem.generated.FaultFamily> families = alarmDAO.loadAlarms();
    final alma.acs.alarmsystem.generated.Category[] categories = categoryDAO.loadCategories();
    Map<String, ArrayList<AlarmCategory>> categoryFaultFamilyLinks = new HashMap<String, ArrayList<AlarmCategory>>();

    // store categories
    if (categories != null)
        for (alma.acs.alarmsystem.generated.Category daoCategory : categories) {
            AlarmCategory category = (AlarmCategory) session.createCriteria(AlarmCategory.class)
                    .add(Restrictions.eq("configuration", config))
                    .add(Restrictions.eq("alarmCategoryName", daoCategory.getPath())).uniqueResult();
            if (category == null) {
                category = new AlarmCategory();
                category.setAlarmCategoryName(daoCategory.getPath());
                category.setConfiguration(config);
            }
            category.setDescription(nonEmptyString(daoCategory.getDescription(), "(description)"));
            category.setPath(daoCategory.getPath());
            category.setIsDefault(daoCategory.getIsDefault());
            session.saveOrUpdate(category);

            // clear first (in case of update)
            category.getFaultFamilies().clear();

            // cache mappings
            String[] faultFamilies = daoCategory.getAlarms().getFaultFamily();
            for (String faultFamily : faultFamilies) {
                ArrayList<AlarmCategory> list = categoryFaultFamilyLinks.get(faultFamily);
                if (list == null) {
                    list = new ArrayList<AlarmCategory>();
                    categoryFaultFamilyLinks.put(faultFamily, list);
                }
                list.add(category);
            }
        }

    // store fault families and contacts, etc.
    if (families != null)
        for (alma.acs.alarmsystem.generated.FaultFamily family : families) {
            final alma.acs.alarmsystem.generated.Contact daoContact = family.getContact();
            Contact contact = (Contact) session.createCriteria(Contact.class)
                    .add(Restrictions.eq("contactName", daoContact.getName())).uniqueResult();
            if (contact == null) {
                contact = new Contact();
                contact.setContactName(nonEmptyString(daoContact.getName(), "(empty)"));
                contact.setEmail(daoContact.getEmail());
                contact.setGsm(daoContact.getGsm());
                session.persist(contact);
            }
            // If contact exist, let's check if this contact contains different information. If so,
            // issue an error
            else {
                if (!trimAndNullToEmpty(contact.getEmail()).equals(trimAndNullToEmpty(daoContact.getEmail()))
                        || !trimAndNullToEmpty(contact.getGsm())
                                .equals(trimAndNullToEmpty(daoContact.getGsm()))) {
                    throw new RuntimeException(
                            "Data stored for contact '" + contact.getContactName() + "' in TMCDB "
                                    + "does not match that comming from the 'contact' node of fault family '"
                                    + family.getName() + "'. " + "TMCDB: <" + contact.getEmail() + ", "
                                    + contact.getGsm() + ">, " + "CDB: <" + daoContact.getEmail() + ", "
                                    + daoContact.getGsm() + ">");
                }
            }

            FaultFamily faultFamily = (FaultFamily) session.createCriteria(FaultFamily.class)
                    .add(Restrictions.eq("configuration", config))
                    .add(Restrictions.eq("familyName", family.getName())).uniqueResult();
            if (faultFamily == null) {
                faultFamily = new FaultFamily();
                faultFamily.setFamilyName(family.getName());
                faultFamily.setConfiguration(config);
            }
            faultFamily.setAlarmSource(family.getAlarmSource());
            faultFamily.setHelpURL(family.getHelpUrl());
            faultFamily.setContact(contact);
            session.saveOrUpdate(faultFamily);

            // clear first (in case of update)   
            faultFamily.getAlarmCategories().clear();
            ArrayList<AlarmCategory> list = categoryFaultFamilyLinks.get(family.getName());
            if (list != null)
                for (AlarmCategory category : list) {
                    category.getFaultFamilies().add(faultFamily);
                    faultFamily.getAlarmCategories().add(category);
                    session.update(category);
                    session.update(faultFamily);
                }

            // default fault member
            if (family.getFaultMemberDefault() != null) {
                DefaultMember defaultMember = null;
                // there can be only one
                if (faultFamily.getDefaultMembers().size() != 0)
                    defaultMember = faultFamily.getDefaultMembers().iterator().next();
                if (defaultMember == null) {
                    defaultMember = new DefaultMember();
                    defaultMember.setFaultFamily(faultFamily);
                }
                defaultMember.setLocation(getLocation(session, family.getFaultMemberDefault().getLocation()));
                session.saveOrUpdate(defaultMember);
            } else {
                for (DefaultMember memberToRemove : faultFamily.getDefaultMembers()) {
                    faultFamily.getDefaultMembers().remove(memberToRemove);
                    session.delete(memberToRemove);
                }
                session.update(faultFamily);
            }

            // copy all
            Set<FaultMember> faultMembersToRemove = new HashSet<FaultMember>(faultFamily.getFaultMembers());

            // add fault members
            for (alma.acs.alarmsystem.generated.FaultMember daoFaultMember : family.getFaultMember()) {
                FaultMember faultMember = (FaultMember) session.createCriteria(FaultMember.class)
                        .add(Restrictions.eq("memberName", daoFaultMember.getName()))
                        .add(Restrictions.eq("faultFamily", faultFamily)).uniqueResult();
                faultMembersToRemove.remove(faultMember);
                if (faultMember == null) {
                    faultMember = new FaultMember();
                    faultMember.setMemberName(daoFaultMember.getName());
                    faultMember.setFaultFamily(faultFamily);
                }
                faultMember.setLocation(getLocation(session, daoFaultMember.getLocation()));
                session.saveOrUpdate(faultMember);
            }

            if (faultMembersToRemove.size() > 0) {
                for (FaultMember faultMemberToRemove : faultMembersToRemove) {
                    faultFamily.getFaultMembers().remove(faultMemberToRemove);
                    session.delete(faultMemberToRemove);
                }
                session.update(faultFamily);
            }

            // copy all
            Set<FaultCode> faultCodesToRemove = new HashSet<FaultCode>(faultFamily.getFaultCodes());

            // add fault codes
            for (alma.acs.alarmsystem.generated.FaultCode daoFaultCode : family.getFaultCode()) {
                FaultCode faultCode = (FaultCode) session.createCriteria(FaultCode.class)
                        .add(Restrictions.eq("faultFamily", faultFamily))
                        .add(Restrictions.eq("codeValue", daoFaultCode.getValue())).uniqueResult();
                faultCodesToRemove.remove(faultCode);
                if (faultCode == null) {
                    faultCode = new FaultCode();
                    faultCode.setFaultFamily(faultFamily);
                    faultCode.setCodeValue(daoFaultCode.getValue());
                }
                faultCode.setPriority(daoFaultCode.getPriority());
                faultCode.setCause(daoFaultCode.getCause());
                faultCode.setAction(daoFaultCode.getAction());
                faultCode.setConsequence(daoFaultCode.getConsequence());
                faultCode.setProblemDescription(
                        nonEmptyString(daoFaultCode.getProblemDescription(), "(description)"));
                faultCode.setIsInstant(daoFaultCode.getInstant());
                session.saveOrUpdate(faultCode);
            }

            if (faultCodesToRemove.size() > 0) {
                for (FaultCode faultCodeToRemove : faultCodesToRemove) {
                    faultFamily.getFaultCodes().remove(faultCodeToRemove);
                    session.delete(faultCodeToRemove);
                }
                session.update(faultFamily);
            }
        }

    try {
        alma.alarmsystem.alarmmessage.generated.ReductionDefinitions redDefs = alarmDAO
                .getReductionDefinitions();
        if (redDefs != null) {
            if (redDefs.getLinksToCreate() != null)
                saveReductionLinks(session, config, redDefs.getLinksToCreate().getReductionLink(),
                        ReductionLinkAction.CREATE);
            if (redDefs.getLinksToRemove() != null)
                saveReductionLinks(session, config, redDefs.getLinksToRemove().getReductionLink(),
                        ReductionLinkAction.REMOVE);

            int count = 0;
            if (redDefs.getThresholds() != null) {
                alma.alarmsystem.alarmmessage.generated.Threshold[] thresholds = redDefs.getThresholds()
                        .getThreshold();
                for (alma.alarmsystem.alarmmessage.generated.Threshold threshold : thresholds) {
                    // also commit first
                    if (count % 100 == 0) {
                        session.getTransaction().commit();
                        session.clear(); // cleanup first level cache
                        session.beginTransaction();
                        config = (Configuration) session.get(Configuration.class, config.getConfigurationId());
                    }

                    count++;

                    alma.acs.tmcdb.AlarmDefinition alarm = getAlarmDefinition(session, config,
                            threshold.getAlarmDefinition(), false);
                    alma.acs.tmcdb.ReductionThreshold t = (alma.acs.tmcdb.ReductionThreshold) session
                            .createQuery("from ReductionThreshold " + "where AlarmDefinitionId = "
                                    + alarm.getAlarmDefinitionId())
                            .uniqueResult();

                    if (t == null) {
                        t = new ReductionThreshold();
                        t.setAlarmDefinition(alarm);
                        t.setConfiguration(config);
                    }
                    t.setValue(threshold.getValue());
                    session.saveOrUpdate(t);
                }
            }
        }
    } finally {
        // clear cache (to free memory)
        adCache.clear();
    }
}

From source file:com.cosylab.cdb.jdal.hibernate.plugin.HibernateWDALAlarmPluginImpl.java

License:Open Source License

private static void saveReductionLinks(Session session, Configuration config,
        alma.alarmsystem.alarmmessage.generated.ReductionLinkType[] links, ReductionLinkAction action) {
    int count = 0;

    for (alma.alarmsystem.alarmmessage.generated.ReductionLinkType link : links) {
        // also commit first
        if (count % 100 == 0) {
            session.getTransaction().commit();
            session.clear(); // cleanup first level cache
            adCache.clear();//  ww w.ja  v a 2s  .  c o  m
            session.beginTransaction();
            // refresh
            config = (Configuration) session.get(Configuration.class, config.getConfigurationId());
        }

        count++;

        alma.acs.tmcdb.AlarmDefinition parent = getAlarmDefinition(session, config,
                link.getParent().getAlarmDefinition(), true);
        alma.acs.tmcdb.AlarmDefinition child = getAlarmDefinition(session, config,
                link.getChild().getAlarmDefinition(), true);

        alma.acs.tmcdb.ReductionLink remoteLink = (alma.acs.tmcdb.ReductionLink) session
                .createCriteria(alma.acs.tmcdb.ReductionLink.class)
                .add(Restrictions.eq("alarmDefinitionByParentalarmdefid", parent))
                .add(Restrictions.eq("alarmDefinitionByChildalarmdefid", child)).uniqueResult();
        if (remoteLink == null) {

            remoteLink = new alma.acs.tmcdb.ReductionLink();
            remoteLink.setAlarmDefinitionByChildalarmdefid(child);
            remoteLink.setAlarmDefinitionByParentalarmdefid(parent);
            remoteLink.setConfiguration(config);

        }
        remoteLink.setAction(action);
        remoteLink.setType(ReductionLinkType.valueOf(link.getType().toString()));
        session.saveOrUpdate(remoteLink);
    }

    // and commit
    session.getTransaction().commit();
    session.clear();
    session.beginTransaction();
}

From source file:com.creative.dao.repository.GenericBatchDaoImpl.java

License:Apache License

private <T> int executeBatch(BatchType batchType, List<T> list) {
    Session session = sessionFactory.getCurrentSession();
    session.setCacheMode(CacheMode.IGNORE);
    session.setFlushMode(FlushMode.MANUAL);
    logger.info("Executing  Batch of size :" + list.size() + " given batch size is:" + batchSize);

    for (int i = 0; i < list.size(); i++) {
        switch (batchType) {
        case BATCH_INSERT:
            session.save(list.get(i));//from  w  ww .  j  av  a2s. com
            break;
        case BATCH_DELETE:
            session.delete(list.get(i));
            break;
        case BATCH_INSERT_OR_UPDATE:
            session.saveOrUpdate(list.get(i));
        default:
            // nothing;
        }
        if (i > 0 && i % batchSize == 0) {
            logger.info("Flushing and clearing the cache" + " after row number :" + i);
            session.flush();
            session.clear();
        }

    }
    session.flush();
    return list.size();
}