Example usage for org.hibernate Session merge

Introduction

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

Prototype

Object merge(Object object);

Source Link

Document

Copy the state of the given object onto the persistent object with the same identifier.

Usage

From source file:org.cgiar.ccafs.marlo.data.dao.impl.StandardDAO.java

License:Open Source License

/**
 * This method deletes a record from the database.
 * /* w  w  w.  j  a va2 s  . c  o  m*/
 * @param obj is a persistence instance from the database model.
 * @return true if the record was successfully deleted, false otherwhise.
 */
protected boolean delete(Object obj) {
    Session session = null;
    Transaction tx = null;
    try {
        session = this.openSession(interceptor);
        interceptor.setSession(session);
        Object newEntityRef = session.merge(obj);
        tx = this.initTransaction(session);
        session.clear();
        session.delete(newEntityRef);
        this.commitTransaction(tx);

        return true;
    } catch (Exception e) {
        if (tx != null) {
            this.rollBackTransaction(tx);
        }
        e.printStackTrace();
        return false;
    } finally {
        // Flushing the changes always.
    }
}

From source file:org.cgiar.ccafs.marlo.data.dao.impl.StandardDAO.java

License:Open Source License

/**
 * This method saves or update a record into the database.
 * //from  w  ww  .java  2 s.  c  o  m
 * @param obj is the Object to be saved/updated.
 * @return true if the the save/updated was successfully made, false otherwhise.
 */
protected boolean update(Object obj) {
    Session session = null;
    Transaction tx = null;
    try {
        session = this.openSession();
        // interceptor.setSession(session);

        tx = this.initTransaction(session);

        obj = session.merge(obj);
        session.saveOrUpdate(obj);
        this.commitTransaction(tx);

        return true;
    } catch (Exception e) {
        e.printStackTrace();
        if (tx != null) {
            this.rollBackTransaction(tx);
        }
        session.clear();
        if (e instanceof org.hibernate.exception.ConstraintViolationException) {
            Transaction tx1 = session.beginTransaction();
            tx1.commit();
        }
        return false;
    }
}

From source file:org.cgiar.ccafs.marlo.data.dao.impl.StandardDAO.java

License:Open Source License

/**
 * This method saves or update a record into the database.
 * //  w ww . j  a  va2  s .co  m
 * @param obj is the Object to be saved/updated.
 * @param actionName the action that called the save
 * @return true if the the save/updated was successfully made, false otherwhise.
 */
protected boolean update(Object obj, String actionName, List<String> relationsName) {
    Session session = null;
    Transaction tx = null;
    try {
        session = this.openSession(interceptor);
        interceptor.setSession(session);
        interceptor.setActionName(actionName);
        interceptor.setRelationsName(relationsName);
        tx = this.initTransaction(session);

        obj = session.merge(obj);
        session.saveOrUpdate(obj);

        this.commitTransaction(tx);

        return true;
    } catch (Exception e) {
        e.printStackTrace();
        if (tx != null) {
            this.rollBackTransaction(tx);
        }
        session.clear();
        if (e instanceof org.hibernate.exception.ConstraintViolationException) {
            Transaction tx1 = session.beginTransaction();
            tx1.commit();
        }
        return false;
    }
}

From source file:org.codehaus.groovy.grails.orm.hibernate.metaclass.MergePersistentMethod.java

License:Apache License

@Override
protected Object performSave(final Object target, final boolean flush) {
    return getHibernateTemplate().execute(new HibernateCallback<Object>() {
        public Object doInHibernate(Session session) throws HibernateException, SQLException {
            Object merged = session.merge(target);
            session.lock(merged, LockMode.NONE);

            if (flush) {
                getHibernateTemplate().flush();
            }//from  w ww . j  a va2 s.com
            return merged;
        }
    });
}

From source file:org.eclipse.emf.teneo.hibernate.test.issues.UpdateAction.java

License:Open Source License

@Override
public void doAction(TestStore store) {
    {/*from w ww . ja  v a 2  s . co  m*/
        final Parent p = UpdateFactory.eINSTANCE.createParent();
        p.setName("p");
        p.setDescription("original");
        final Child c1 = UpdateFactory.eINSTANCE.createChild();
        c1.setName("c1");
        c1.setDescription("original");
        final Child c2 = UpdateFactory.eINSTANCE.createChild();
        c2.setName("c2");
        c2.setDescription("original");
        p.getChildren().add(c1);
        p.getChildren().add(c2);
        store.beginTransaction();
        store.store(p.getChildren());
        store.store(p);
        store.commitTransaction();
    }

    {
        final Parent p = UpdateFactory.eINSTANCE.createParent();
        p.setName("p");
        p.setDescription("updated");
        final Child c1 = UpdateFactory.eINSTANCE.createChild();
        c1.setName("c1");
        c1.setDescription("updated");
        final Child c2 = UpdateFactory.eINSTANCE.createChild();
        c2.setName("c3");
        c2.setDescription("updated");
        p.getChildren().add(c1);
        p.getChildren().add(c2);
        store.beginTransaction();
        final Session session = ((HibernateTestStore) store).getSession();
        session.merge(p);
        store.commitTransaction();
    }

    {
        final Parent p = UpdateFactory.eINSTANCE.createParent();
        p.setName("p2");
        p.setDescription("o2");
        final Child c1 = UpdateFactory.eINSTANCE.createChild();
        c1.setName("c4");
        c1.setDescription("o2");
        final Child c2 = UpdateFactory.eINSTANCE.createChild();
        c2.setName("c5");
        c2.setDescription("o2");
        p.getChildren().add(c1);
        p.getChildren().add(c2);
        store.beginTransaction();
        final Session session = ((HibernateTestStore) store).getSession();
        session.merge(p);
        store.commitTransaction();
    }
}

From source file:org.etk.component.database.impl.HibernateServiceImpl.java

License:Open Source License

public Object save(Object obj) throws Exception {
    Session session = openSession();
    session.merge(obj);
    session.flush();/*ww w. java 2s . c o m*/
    return obj;
}

From source file:org.etk.core.membership.hibernate.UserDAOImpl.java

License:Open Source License

public void saveUser(User user, boolean broadcast) throws Exception {
    if (broadcast)
        preSave(user, false);/*from  w ww  .j  a  va 2  s .  com*/
    Session session = service_.openSession();
    session.merge(user);
    // session.update(user);
    if (broadcast)
        postSave(user, false);
    session.flush();
    cache_.put(user.getUserName(), user);
}

From source file:org.eurocarbdb.dataaccess.HibernateEntityManager.java

License:Open Source License

public <T> void store(T entity) {
    if (log.isDebugEnabled())
        log.debug("attempting to store (make persistent) object " + entity);

    Session s = getHibernateSession();

    if (entity instanceof EurocarbObject)
        validate((EurocarbObject) entity);

    try {/*from   w w  w . ja va  2  s.c o  m*/
        s.save(entity);
        //s.saveOrUpdate( entity );
    } catch (NonUniqueObjectException ex) {
        log.warn("passed " + entity.getClass().getSimpleName() + " was originally loaded in a different Session"
                + "; attempting to merge changes...", ex);

        s.merge(entity);
        log.debug("changes merged ok");
    }
}

From source file:org.eurocarbdb.dataaccess.HibernateEntityManager.java

License:Open Source License

public <T> void merge(T entity) {
    if (log.isDebugEnabled())
        log.debug("attempting to merge object of " + entity.getClass());
    Session s = getHibernateSession();
    s.merge(entity);
}

From source file:org.exoplatform.common.dao.hibernate.HibernateJpaRepository.java

License:Open Source License

/**
 * <p>//  w w  w.  ja  v  a  2  s  . c om
 * Copy the state of the given object onto the persistent object with the
 * same identifier. If there is no persistent instance currently associated
 * with the session, it will be loaded. Return the persistent instance. If
 * the given instance is unsaved, save a copy of and return it as a newly
 * persistent instance. The given instance does not become associated with
 * the session. This operation cascades to associated instances if the
 * association is mapped with cascade="merge".
 * 
 * <p>
 * The difference between <code>update()</code> and <code>merge()</code> is
 * significant: <code>update()</code> will make the given object persistent
 * and throw and error if another object with the same ID is already
 * persistent in the Session. <code>merge()</code> doesn't care if another
 * object is already persistent, but it also doesn't make the given object
 * persistent; it just copies over the values to the datastore.
 */
public <T> T _mergeEntity(T entity) {
    Session session = openSession();
    T t = null;
    try {
        t = (T) session.merge(entity);
        session.flush();
        session.clear();
    } finally {
        session.close();
    }
    return t;
}