Example usage for org.hibernate LockOptions NONE

Introduction

In this page you can find the example usage for org.hibernate LockOptions NONE.

Prototype

LockOptions NONE

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Document

Represents LockMode.NONE (timeout + scope do not apply).

Usage

From source file:ca.mcgill.cs.swevo.qualyzer.model.PersistenceManager.java

License:Open Source License

/**
 * /* w  w w . ja v a 2 s .c om*/
 * Does something.
 * 
 * @param project
 * @return
 */
public void initializeDocument(IAnnotatedDocument document) {
    HibernateDBManager dbManager = fActivator.getHibernateDBManagers()
            .get(document.getProject().getFolderName());

    Session session = dbManager.openSession();
    try {
        // Reattach
        session.buildLockRequest(LockOptions.NONE).lock(document);
        Hibernate.initialize(document.getParticipants());
        Hibernate.initialize(document.getFragments());
    } finally {
        HibernateUtil.quietClose(session);
    }
}

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From source file:com.algoTrader.service.TransactionServiceImpl.java

License:Open Source License

protected void handleCreateTransaction(Fill fill) throws Exception {

    Strategy strategy = fill.getParentOrder().getStrategy();
    Security security = fill.getParentOrder().getSecurity();

    // lock and initialize the security & strategy
    Session session = this.getSessionFactory().getCurrentSession();
    session.buildLockRequest(LockOptions.NONE).lock(security);
    session.buildLockRequest(LockOptions.NONE).lock(strategy);
    Hibernate.initialize(security);/*w  w  w  .ja  va 2  s  . c o m*/
    Hibernate.initialize(strategy);

    TransactionType transactionType = Side.BUY.equals(fill.getSide()) ? TransactionType.BUY
            : TransactionType.SELL;
    long quantity = Side.BUY.equals(fill.getSide()) ? fill.getQuantity() : -fill.getQuantity();

    Transaction transaction = new TransactionImpl();
    transaction.setDateTime(fill.getDateTime());
    transaction.setQuantity(quantity);
    transaction.setPrice(fill.getPrice());
    transaction.setType(transactionType);
    transaction.setSecurity(security);
    transaction.setStrategy(strategy);
    transaction.setCurrency(security.getSecurityFamily().getCurrency());
    transaction.setCommission(fill.getCommission());

    // Strategy
    strategy.getTransactions().add(transaction);

    // Position
    Position position = getPositionDao().findBySecurityAndStrategy(security.getId(), strategy.getName());
    if (position == null) {

        position = new PositionImpl();
        position.setQuantity(transaction.getQuantity());

        position.setExitValue(null);
        position.setMaintenanceMargin(null);

        position.setSecurity(security);
        security.getPositions().add(position);

        position.getTransactions().add(transaction);
        transaction.setPosition(position);

        position.setStrategy(strategy);
        strategy.getPositions().add(position);

        getPositionDao().create(position);

    } else {

        position.setQuantity(position.getQuantity() + transaction.getQuantity());

        if (!position.isOpen()) {
            position.setExitValue(null);
            position.setMaintenanceMargin(null);
        }

        position.getTransactions().add(transaction);
        transaction.setPosition(position);

        getPositionDao().update(position);
    }

    getTransactionDao().create(transaction);
    getStrategyDao().update(strategy);
    getSecurityDao().update(security);

    // progapate the order to all corresponding esper engines
    propagateTransaction(transaction);

    String logMessage = "executed transaction type: " + transactionType + " quantity: "
            + transaction.getQuantity() + " of " + security.getSymbol() + " price: " + transaction.getPrice()
            + " commission: " + transaction.getCommission();

    logger.info(logMessage);
}

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From source file:com.algoTrader.util.HibernateUtil.java

License:Open Source License

public static boolean lock(SessionFactory sessionFactory, Object target) {

    Session session = sessionFactory.getCurrentSession();

    try {/*from  w  w w.j av a 2 s .  c  o  m*/
        session.buildLockRequest(LockOptions.NONE).lock(target);
        return true;
    } catch (NonUniqueObjectException e) {
        //  different object with the same identifier value was already associated with the session
        return false;
    }
}

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From source file:com.lewischooman.dao.MovieShowDAO.java

License:Open Source License

@Override
public MovieShowDB getMovieShowById(Integer movieShowId) {
    return this.getMovieShowById(movieShowId, LockOptions.NONE);
}

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From source file:Dao.CompanyinfoDAO.java

public void attachClean(Companyinfo instance) {
    log.debug("attaching clean Companyinfo instance");
    try {//from  w  w  w. j av  a2  s. c  o m
        getCurrentSession().buildLockRequest(LockOptions.NONE).lock(instance);
        log.debug("attach successful");
    } catch (RuntimeException re) {
        log.error("attach failed", re);
        throw re;
    }
}

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From source file:de.tudarmstadt.ukp.wikipedia.api.hibernate.CategoryDAO.java

License:Apache License

public void attachClean(Category instance) {
    logger.debug("attaching clean Category instance");
    try {/*from w  w  w.  ja v  a2s  .c om*/
        //            sessionFactory.getCurrentSession().lock(instance, LockMode.NONE);
        sessionFactory.getCurrentSession().buildLockRequest(LockOptions.NONE).lock(instance);
        logger.debug("attach successful");
    } catch (RuntimeException re) {
        logger.error("attach failed", re);
        throw re;
    }
}

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From source file:de.tudarmstadt.ukp.wikipedia.api.hibernate.MetaDataDAO.java

License:Apache License

public void attachClean(MetaData instance) {
    logger.debug("attaching clean MetaData instance");
    try {// ww w .j  a  v a2 s .  c  o  m
        //            sessionFactory.getCurrentSession().lock(instance, LockMode.NONE);
        sessionFactory.getCurrentSession().buildLockRequest(LockOptions.NONE).lock(instance);
        logger.debug("attach successful");
    } catch (RuntimeException re) {
        logger.error("attach failed", re);
        throw re;
    }
}

---

From source file:de.tudarmstadt.ukp.wikipedia.api.hibernate.PageDAO.java

License:Apache License

public void attachClean(Page instance) {
    logger.debug("attaching clean Page instance");
    try {//from w  w w .  ja v a2s.c om
        //            sessionFactory.getCurrentSession().lock(instance, LockMode.NONE);
        sessionFactory.getCurrentSession().buildLockRequest(LockOptions.NONE).lock(instance);
        logger.debug("attach successful");
    } catch (RuntimeException re) {
        logger.error("attach failed", re);
        throw re;
    }
}

---

From source file:de.tudarmstadt.ukp.wikipedia.api.Page.java

License:Apache License

/**
 * Returns a set of categories that this page belongs to.
 *
 * @return The a set of categories that this page belongs to.
 *//*from ww  w . jav  a 2 s.c o  m*/
public Set<Category> getCategories() {
    Session session = this.wiki.__getHibernateSession();
    session.beginTransaction();
    session.buildLockRequest(LockOptions.NONE).lock(hibernatePage);
    Set<Integer> tmp = new UnmodifiableArraySet<Integer>(hibernatePage.getCategories());
    session.getTransaction().commit();

    Set<Category> categories = new HashSet<Category>();
    for (int pageID : tmp) {
        categories.add(wiki.getCategory(pageID));
    }

    return categories;
}

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From source file:de.tudarmstadt.ukp.wikipedia.api.Page.java

License:Apache License

/**
 * Returns the set of pages that have a link pointing to this page. <b>Warning:</b> Do not use
 * this for getting the number of inlinks with getInlinks().size(). This is too slow. Use
 * getNumberOfInlinks() instead./*  ww  w  . ja  v  a2 s .  co m*/
 *
 * @return The set of pages that have a link pointing to this page.
 */
public Set<Page> getInlinks() {
    Session session = wiki.__getHibernateSession();
    session.beginTransaction();
    session.buildLockRequest(LockOptions.NONE).lock(hibernatePage);
    // Have to copy links here since getPage later will close the session.
    Set<Integer> pageIDs = new UnmodifiableArraySet<Integer>(hibernatePage.getInLinks());
    session.getTransaction().commit();

    Set<Page> pages = new HashSet<Page>();
    for (int pageID : pageIDs) {
        try {
            pages.add(wiki.getPage(pageID));
        } catch (WikiApiException e) {
            // Silently ignore if a page could not be found
            // There may be inlinks that do not come from an existing page.
            continue;
        }
    }

    return pages;
}

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