Example usage for org.hibernate Session clear

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:eu.cloudscale.showcase.generate.AGenerate.java

License:Open Source License

@Override
public void populateItemTable() {
    String I_TITLE;//ww  w .  j  a  va  2s .c om
    GregorianCalendar cal;
    int I_A_ID;
    java.sql.Date I_PUB_DATE;
    String I_PUBLISHER, I_SUBJECT, I_DESC;
    int I_RELATED1, I_RELATED2, I_RELATED3, I_RELATED4, I_RELATED5;
    String I_THUMBNAIL, I_IMAGE;
    double I_SRP, I_COST, I_RANDOM;
    java.sql.Date I_AVAIL;
    int I_STOCK;
    String I_ISBN;
    int I_PAGE;
    String I_BACKING;
    String I_DIMENSIONS;

    String[] SUBJECTS = { "ARTS", "BIOGRAPHIES", "BUSINESS", "CHILDREN", "COMPUTERS", "COOKING", "HEALTH",
            "HISTORY", "HOME", "HUMOR", "LITERATURE", "MYSTERY", "NON-FICTION", "PARENTING", "POLITICS",
            "REFERENCE", "RELIGION", "ROMANCE", "SELF-HELP", "SCIENCE-NATURE", "SCIENCE-FICTION", "SPORTS",
            "YOUTH", "TRAVEL" };
    int NUM_SUBJECTS = 24;

    String[] BACKINGS = { "HARDBACK", "PAPERBACK", "USED", "AUDIO", "LIMITED-EDITION" };
    int NUM_BACKINGS = 5;

    System.out.println("Populating ITEM table with " + NUM_ITEMS + " items");

    LinkedList<IAuthor> authors = getRandomAuthors(NUM_ITEMS + 10000);
    Random rand = new Random();

    Session session = sessionFactory.openSession();
    Transaction tx = session.beginTransaction();

    for (int i = 1; i <= NUM_ITEMS; i++) {
        I_RANDOM = rand.nextDouble();
        int month, day, year, maxday;
        I_TITLE = getRandomAString(14, 60);

        year = getRandomInt(1930, 2000);
        month = getRandomInt(0, 11);
        maxday = 31;
        if (month == 3 | month == 5 | month == 8 | month == 10)
            maxday = 30;
        else if (month == 1)
            maxday = 28;
        day = getRandomInt(1, maxday);
        cal = new GregorianCalendar(year, month, day);
        I_PUB_DATE = new java.sql.Date(cal.getTime().getTime());

        I_PUBLISHER = getRandomAString(14, 60);
        I_SUBJECT = SUBJECTS[getRandomInt(0, NUM_SUBJECTS - 1)];
        I_DESC = getRandomAString(100, 500);

        I_RELATED1 = getRandomInt(1, NUM_ITEMS);
        do {
            I_RELATED2 = getRandomInt(1, NUM_ITEMS);
        } while (I_RELATED2 == I_RELATED1);
        do {
            I_RELATED3 = getRandomInt(1, NUM_ITEMS);
        } while (I_RELATED3 == I_RELATED1 || I_RELATED3 == I_RELATED2);
        do {
            I_RELATED4 = getRandomInt(1, NUM_ITEMS);
        } while (I_RELATED4 == I_RELATED1 || I_RELATED4 == I_RELATED2 || I_RELATED4 == I_RELATED3);
        do {
            I_RELATED5 = getRandomInt(1, NUM_ITEMS);
        } while (I_RELATED5 == I_RELATED1 || I_RELATED5 == I_RELATED2 || I_RELATED5 == I_RELATED3
                || I_RELATED5 == I_RELATED4);

        I_THUMBNAIL = new String("img" + i % 100 + "/thumb_" + i + ".gif");
        I_IMAGE = new String("img" + i % 100 + "/image_" + i + ".gif");
        I_SRP = (double) getRandomInt(100, 99999);
        I_SRP /= 100.0;

        I_COST = I_SRP - ((((double) getRandomInt(0, 50) / 100.0)) * I_SRP);

        cal.add(Calendar.DAY_OF_YEAR, getRandomInt(1, 30));
        I_AVAIL = new java.sql.Date(cal.getTime().getTime());
        I_STOCK = getRandomInt(10, 30);
        I_ISBN = getRandomAString(13);
        I_PAGE = getRandomInt(20, 9999);
        I_BACKING = BACKINGS[getRandomInt(0, NUM_BACKINGS - 1)];
        I_DIMENSIONS = ((double) getRandomInt(1, 9999) / 100.0) + "x" + ((double) getRandomInt(1, 9999) / 100.0)
                + "x" + ((double) getRandomInt(1, 9999) / 100.0);

        IItem item = itemDao.getObject();
        // Set parameter
        // MongoDB doesn't have autoincrement field so we must set ID manually
        if (db instanceof MongoService) {
            item.setIId(i);
        }
        item.setIRandom(I_RANDOM);
        item.setITitle(I_TITLE);
        item.setIPubDate(I_PUB_DATE);
        item.setIPublisher(I_PUBLISHER);
        item.setISubject(I_SUBJECT);
        item.setIDesc(I_DESC);
        item.setIRelated1(I_RELATED1);
        item.setIRelated2(I_RELATED2);
        item.setIRelated3(I_RELATED3);
        item.setIRelated4(I_RELATED4);
        item.setIRelated5(I_RELATED5);
        item.setIThumbnail(I_THUMBNAIL);
        item.setIImage(I_IMAGE);
        item.setISrp(I_SRP);
        item.setICost(I_COST);
        item.setIAvail(I_AVAIL);
        item.setIStock(I_STOCK);
        item.setIIsbn(I_ISBN);
        item.setIPage(String.valueOf(I_PAGE));
        item.setIBacking(I_BACKING);
        item.setIDimension(I_DIMENSIONS);
        item.setAuthor(this.authors.get(getRandomInt(1, this.authors.size() - 1)));

        this.items.add(item);
        session.save(item);
        if (i % 1000 == 0) {
            session.flush();
            session.clear();
            System.out.print((i / 1000) + " ");
        }
        //itemDao.findById( item.getIId() );
    }

    tx.commit();
    session.close();

    itemDao.finish();
    System.out.println("");
}

---

From source file:fm.last.citrine.dao.TaskRunDAO.java

License:Apache License

/**
 * Finds TaskRuns that belong to a certain Task. Returned List is ordered by TaskRun creation (most recent TaskRun
 * first)./*  w ww . j  a v  a  2  s .  c o m*/
 * 
 * @param taskId The Task ID.
 * @param firstResult The position of the first result.
 * @param maxResults The maximum number of results.
 * @return List of matching TaskRuns.
 */
public List<TaskRun> findByTaskId(final long taskId, final int firstResult, final int maxResults) {
    return getHibernateTemplate().executeFind(new HibernateCallback() {
        @Override
        public Object doInHibernate(Session session) throws HibernateException, SQLException {
            session.clear(); // need this as sometimes this retrieves older data than what is in DB...
            Query query = session.createQuery("from TaskRun where taskId = :taskId order by id DESC");
            query.setLong("taskId", taskId);
            query.setFirstResult(firstResult);
            query.setMaxResults(maxResults);
            List list = query.list();
            return list;
        }
    });
}

---

From source file:fr.keyconsulting.oliphant.test.Benchmark.java

License:Open Source License

public void setUp() throws SQLException {
    conn = Utils.getJDBCConnection();//ww w  .  j  a  v a2s  . co  m

    Statement st = conn.createStatement();
    st.executeUpdate("DELETE FROM persistentversionedobject");
    st.close();

    sessionFactory = Utils.getSessionFactory();
    magicSessionFactory = Utils.getMagicSessionFactory();

    Session session = sessionFactory.getCurrentSession();
    Transaction tx = session.beginTransaction();
    for (int i = 0; i < NB_ROWS; i++) {
        PersistentVersionedObject o = new PersistentVersionedObject();
        o.setId(i);
        o.setChampString("valeur string");
        o.setChampLong((long) 1);
        session.save(o);
        if (i % 20 == 0) {
            session.flush();
            session.clear();
        }
    }
    session.flush();
    session.clear();
    tx.commit();
}

---

From source file:fr.keyconsulting.oliphant.test.unitTests.java

License:Open Source License

@Before
public void setUp() throws SQLException {
    conn = Utils.getJDBCConnection();/* w  w w.  ja  v  a 2 s  . co  m*/
    config = Utils.getConfig();

    Statement st = conn.createStatement();
    for (Iterator i = config.getClassMappings(); i.hasNext();) {
        PersistentClass c = (PersistentClass) i.next();
        st.executeUpdate("DELETE FROM " + c.getTable().getName());
    }
    st.close();

    sessionFactory = Utils.getSessionFactory();
    magicSessionFactory = Utils.getMagicSessionFactory();

    Session session = sessionFactory.getCurrentSession();
    Transaction tx = session.beginTransaction();

    PersistentVersionedObject o = new PersistentVersionedObject();
    o.setChampString("valeur string");
    o.setChampLong((long) 1);
    session.save(o);
    session.flush();
    session.clear();
    tx.commit();
}

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From source file:gov.nih.nci.cabig.caaers.dao.CaaersDao.java

License:BSD License

/**
 * Will clear-off the content in the current Hibernate Session
 * @see org.hibernate.Session//from w w w . j  ava 2 s  .  c  om
 */
@Transactional(readOnly = false)
public void clearSession() {

    Session session = getHibernateTemplate().getSessionFactory().getCurrentSession();

    if (log.isDebugEnabled()) {
        log.debug("Entity Count  before clear() : " + session.getStatistics().getEntityCount());
        log.debug("Collection Count before clear() : " + session.getStatistics().getCollectionCount());
    }

    session.clear();

    if (log.isDebugEnabled()) {
        log.debug("Entity Count  after clear() : " + session.getStatistics().getEntityCount());
        log.debug("Collection Count after clear() : " + session.getStatistics().getCollectionCount());
    }

}

---

From source file:gov.nih.nci.cabig.ctms.acegi.acls.test.ACLTest.java

License:BSD License

public void init() {

    ApplicationContext appCtx = new ClassPathXmlApplicationContext(getConfigLocations());
    HibernateTransactionManager txMgr = (HibernateTransactionManager) appCtx.getBean("transactionManager");

    Session session = SessionFactoryUtils.getSession(txMgr.getSessionFactory(), true);

    if (session != null) {
        session.clear();
    }//from  w w  w.j  a v  a  2  s .  c o  m

    LocalSessionFactoryBean sessionFactoryBean = (LocalSessionFactoryBean) appCtx.getBean("&sessionFactory");

    sessionFactoryBean.createDatabaseSchema();

}

---

From source file:gov.nih.nci.caintegrator.studyQueryService.germline.BatchFindingsHandler.java

License:BSD License

final protected void populateCurrentResultSet(List findings, List toBePopulated, Session session) {

    /*  1. Remove the first 500 objects and add it to a new HashSet */
    Set toBeSent = getConcreteTypedFindingSet();
    int size = findings.size();
    for (int index = 0; (index < size) && (index <= BATCH_OBJECT_INCREMENT); index++) {
        Object f = findings.remove(0);
        toBeSent.add(f);//from www .  ja  v a 2  s.  c  om
    }

    /* 2. Add results to toBePopulated after making sure it is empty */
    do {
        synchronized (toBePopulated) {
            if (toBePopulated.size() == 0) {
                toBePopulated.add(toBeSent);
                session.clear();
                break;
            }
        }
        try {
            Thread.currentThread().sleep(10);
        } catch (InterruptedException e) {
            e.printStackTrace(); // no big deal
        }
    } while (true);
}

---

From source file:gov.nih.nci.caintegrator.studyQueryService.germline.BatchFindingsHandler.java

License:BSD License

final protected void process(List toBePopulated, Set toBeSent, Session session) {
    /*  Add results to toBePopulated after making sure it is empty */
    while (true) {
        synchronized (toBePopulated) {
            if (toBePopulated.size() == 0) {
                toBePopulated.add(toBeSent);
                session.clear();
                break;
            }//from ww  w.  j  a  v a 2s.  c  om
        }
        try {
            Thread.currentThread().sleep(10);
        } catch (InterruptedException e) {
            e.printStackTrace(); // no big deal
        }
    }
    return;
}

---

From source file:gov.nih.nci.caintegrator.studyQueryService.germline.FindingsHandler.java

License:BSD License

public Collection<? extends Finding> getFindings(FindingCriteriaDTO critDTO, int fromIndex, int toIndex)
        throws Exception {
    Collection<? extends Finding> findings;
    Session session = getSessionFactory().getCurrentSession();
    StringBuffer targetHQL = getTargetFindingHQL();
    findings = executeFindingSetQuery(critDTO, targetHQL, session, fromIndex, toIndex);
    initializeProxies(findings, session);
    session.clear();
    return findings;
}

---

From source file:gov.nih.nci.caintegrator.studyQueryService.germline.GenotypeFindingsHandler.java

License:BSD License

public Collection<? extends Finding> getFindings(FindingCriteriaDTO critDTO, int fromIndex, int toIndex)
        throws Exception {
    Collection<? extends Finding> findings;
    Session session = getSessionFactory().getCurrentSession();
    findings = getMyFindings(critDTO, session, fromIndex, toIndex);
    initializeProxies(findings, session);
    session.clear();
    return findings;
}

---

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