Example usage for org.hibernate.persister.entity EntityPersister isVersioned

Introduction

In this page you can find the example usage for org.hibernate.persister.entity EntityPersister isVersioned.

Prototype

boolean isVersioned();

Source Link

Document

Determine whether optimistic locking by column is enabled for this entity.

Usage

From source file:com.utest.dao.UtestDeleteEventListener.java

License:Apache License

@SuppressWarnings("unchecked")
@Override/*from ww  w  . j av a2s  . co m*/
/**
 * Handle the given delete event.  This is the cascaded form.
 *
 * @param event The delete event.
 * @param transientEntities The cache of entities already deleted
 *
 * @throws HibernateException
 */
public void onDelete(DeleteEvent event, Set transientEntities) throws HibernateException {
    final EventSource source = event.getSession();

    final PersistenceContext persistenceContext = source.getPersistenceContext();
    Object entity = persistenceContext.unproxyAndReassociate(event.getObject());
    EntityEntry entityEntry = persistenceContext.getEntry(entity);

    final EntityPersister persister = source.getEntityPersister(event.getEntityName(), entity);
    final Object version;

    if (persister.isVersioned()) {
        version = persister.getVersion(entity, source.getEntityMode());
        // Make sure version has not changed on deleted entities
        if ((entity instanceof TimelineEntity) && !((TimelineEntity) entity).isNew()) {
            if (!persister.getVersionType().isEqual(version, entityEntry.getVersion())) {
                throw new StaleObjectStateException(persister.getEntityName(), entityEntry.getId());
            }
        }
    }
    super.onDelete(event, transientEntities);

}

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From source file:com.utest.dao.UtestFlushEntityEventListener.java

License:Apache License

@Override
public void onFlushEntity(final FlushEntityEvent event) throws HibernateException {

    final Object object = event.getEntity();
    final EntityEntry entry = event.getEntityEntry();
    final EntityPersister persister = entry.getPersister();
    // final Status status = entry.getStatus();
    final SessionImplementor session = event.getSession();
    if (persister.isVersioned()) {
        final Object version = persister.getVersion(object, session.getEntityMode());
        // Make sure version has not changed on updated entities
        if ((object instanceof TimelineEntity) && !((TimelineEntity) object).isNew()) {
            if (!persister.getVersionType().isEqual(version, entry.getVersion())) {
                throw new StaleObjectStateException(persister.getEntityName(), entry.getId());
            }/*  ww  w  . j  av a 2s .  c  o  m*/
        }
    }
    super.onFlushEntity(event);
}

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From source file:fr.keyconsulting.oliphant.NotifyListener.java

License:Open Source License

public Serializable processLoadEvent(PostLoadEvent event, boolean throwStaleException)
        throws StaleObjectStateException {
    if (sessionFactory == null) {
        // our first event, initialize the listener
        sessionFactory = (SessionFactoryImplementor) event.getSession().getSessionFactory();
        specificNotifyListener.setUp();/*from w  w w .  jav a  2  s.c  o m*/
    }
    Object object = event.getEntity();
    EventSource session = event.getSession();
    EntityPersister persister = event.getPersister();
    String uid = getUid(object, session);
    if (persister.isVersioned()) {
        if (!versions.containsKey(uid)) {
            // We have not yet received notifications for this object
            versions.put(uid, Base64
                    .encodeBytes(persister.getVersion(object, session.getEntityMode()).toString().getBytes()));
        }
    }
    return true;
}

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From source file:fr.keyconsulting.oliphant.NotifyListener.java

License:Open Source License

public boolean isKnownToBeStaleInL2(Object object, EventSource session) {
    final EntityPersister persister = sessionFactory.getEntityPersister(session.getEntityName(object));
    String uid = getUid(object, session);
    if (!versions.containsKey(uid)) {
        return false;
    }//from   w  w w .  ja v a 2 s  .co  m
    if (persister.isVersioned()) {
        if (persister.hasCache() && session.getCacheMode().isGetEnabled()) {
            final EntityRegionAccessStrategy cacheAccessStrategy = persister.getCacheAccessStrategy();
            if (cacheAccessStrategy == null) {
                return false;
            }
            final CacheKey ck = new CacheKey(session.getIdentifier(object), persister.getIdentifierType(),
                    persister.getRootEntityName(), session.getEntityMode(), session.getFactory());
            CacheEntry cachedObject = (CacheEntry) cacheAccessStrategy.get(ck, Long.MAX_VALUE);
            if (cachedObject == null) {
                return false;
            }
            if (Base64.encodeBytes(cachedObject.getDisassembledState()[persister.getVersionProperty()]
                    .toString().getBytes()) != versions.get(uid)) {
                return true;
            }
        }
    }
    return false;
}

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From source file:fr.keyconsulting.oliphant.NotifyListener.java

License:Open Source License

public void evictFromL2(Object object, EventSource session) {
    final EntityPersister persister = sessionFactory.getEntityPersister(session.getEntityName(object));
    if (persister.isVersioned()) {
        if (persister.hasCache() && session.getCacheMode().isGetEnabled()) {
            final EntityRegionAccessStrategy cacheAccessStrategy = persister.getCacheAccessStrategy();
            if (cacheAccessStrategy == null) {
                return;
            }//from   w  ww.  j a v  a  2  s  .c  om
            final CacheKey ck = new CacheKey(session.getIdentifier(object), persister.getIdentifierType(),
                    persister.getRootEntityName(), session.getEntityMode(), session.getFactory());
            cacheAccessStrategy.evict(ck);
            Serializable identifier = session.getIdentifier(object);
            LOG.debug("* Object " + identifier + " evicted from L2");
        }
    }
}

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From source file:org.tonguetied.audit.AbstractAuditLogEventListener.java

License:Apache License

/**
 * Determine if this field is used for optimistic locking.
 * /*from w w w.  jav  a 2 s  .  co  m*/
 * @param persister
 * @param name
 * @return <code>true</code> if the field is used for optimistic locking,
 * <code>false</code> otherwise
 */
private boolean isOptlockField(EntityPersister persister, final String name) {
    return persister.isVersioned() && "version".equals(name);
}

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