Example usage for org.hibernate.metadata ClassMetadata getIdentifier

Introduction

In this page you can find the example usage for org.hibernate.metadata ClassMetadata getIdentifier.

Prototype

Serializable getIdentifier(Object entity, SharedSessionContractImplementor session);

Source Link

Document

Get the identifier of an instance (throw an exception if no identifier property)

Usage

From source file:ariba.ui.meta.jpa.HibernateContext.java

License:Apache License

public Object getPrimaryKey(Object o) {
    Session session = getSession();//from w ww.j a  va  2 s. c  om
    ClassMetadata classMeta = session.getSessionFactory().getClassMetadata(o.getClass());
    return classMeta.getIdentifier(o, EntityMode.POJO);
}

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From source file:at.molindo.esi4j.module.hibernate.HibernateEntityResolver.java

License:Apache License

/**
 * must be called within originating session
 *///from ww  w.  j  ava 2s .c o m
@Override
public ObjectKey toObjectKey(Object entity) {
    SessionFactory factory = getSessionFactory();

    Session session = getCurrentSession(factory);

    String entityName = _entityNames.find(entity.getClass());

    ClassMetadata meta = factory.getClassMetadata(entityName);

    Class<?> type = meta.getMappedClass();

    Serializable id = meta.getIdentifier(entity, (SessionImpl) session);
    Long version = toLongVersion(meta.getVersion(entity));

    return new ObjectKey(type, id, version);
}

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From source file:at.molindo.esi4j.module.hibernate.scrolling.DefaultQueryScrollingSession.java

License:Apache License

@Override
public List<?> fetch(Session session, int batchSize) {
    Criteria criteria = session.createCriteria(_type);
    if (_lastId != null) {
        criteria.add(Restrictions.gt("id", _lastId));
    }/* w w  w .  ja  v a 2s  . com*/
    criteria.addOrder(Order.asc("id"));
    criteria.setMaxResults(batchSize);
    criteria.setCacheable(false);

    for (Map.Entry<String, FetchMode> e : _fetchModes.entrySet()) {
        criteria.setFetchMode(e.getKey(), e.getValue());
    }

    List<?> list = criteria.list();

    if (list.size() > 0) {
        ClassMetadata meta = session.getSessionFactory().getClassMetadata(_type);

        Object last = list.get(list.size() - 1);
        _lastId = meta.getIdentifier(last, (SessionImpl) session);
    }

    return list;
}

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From source file:br.gov.jfrj.siga.model.Objeto.java

License:Open Source License

public Object _key() {
    Session session = (Session) (em().getDelegate());
    ClassMetadata meta = session.getSessionFactory().getClassMetadata(this.getClass());
    return meta.getIdentifier(this, (SessionImplementor) session);
}

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From source file:com.autobizlogic.abl.hibernate.HibernateUtil.java

License:Open Source License

/**
 * Given two persistent beans, which may or may not be proxies, determine whether they refer
 * to the same persistent object. In other words, are they of the same class, and do they
 * have the same primary key?/*from   w  w  w  .  ja v  a 2s .  co  m*/
 * If both beans are null, this will return true.
 */
public static boolean beansHaveSamePK(Object bean1, Object bean2, Session session) {

    if (bean1 == null && bean2 == null)
        return true;

    if (bean1 == null && bean2 != null)
        return false;

    if (bean1 != null && bean2 == null)
        return false;

    if (bean1 == bean2)
        return true;

    String bean1ClassName = getEntityNameForObject(bean1);
    String bean2ClassName = getEntityNameForObject(bean2);
    if (!bean1ClassName.equals(bean2ClassName))
        return false;

    SessionFactory sf = session.getSessionFactory();
    ClassMetadata meta = sf.getClassMetadata(bean1ClassName);
    if (meta == null)
        throw new RuntimeException("Unable to get Hibernate metadata for: " + bean1ClassName);
    Object pk1 = meta.getIdentifier(bean1, (SessionImplementor) session);
    Object pk2 = meta.getIdentifier(bean2, (SessionImplementor) session);
    if (pk1 == null || pk2 == null)
        return false;
    return pk1.equals(pk2);
}

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From source file:com.autobizlogic.abl.session.LogicTransactionContext.java

License:Open Source License

/**
 * Given an object, which could be either an entity or a proxy, get its primary key.
 *//*from w  w  w.j a va  2  s .c om*/
public Serializable getPrimaryKeyForObject(Object object) {
    if (object == null)
        return null;

    Serializable fk = null;
    if (object instanceof HibernateProxy) {
        HibernateProxy proxy = (HibernateProxy) object;
        fk = proxy.getHibernateLazyInitializer().getIdentifier();
    } else {
        SessionFactory sessionFactory = session.getSessionFactory();
        ClassMetadata classMeta = sessionFactory.getClassMetadata(object.getClass());
        fk = classMeta.getIdentifier(object, (SessionImplementor) session);
    }
    return fk;
}

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From source file:com.javaetmoi.core.persistence.hibernate.LazyLoadingUtil.java

License:Apache License

@SuppressWarnings("unchecked")
private static void deepInflateEntity(final Session currentSession, Object entity, Set<String> recursiveGuard)
        throws HibernateException {
    if (entity == null) {
        return;/*from w  w  w .  j av  a  2  s.  c o m*/
    }

    Class<? extends Object> persistentClass = entity.getClass();
    if (entity instanceof HibernateProxy) {
        persistentClass = ((HibernateProxy) entity).getHibernateLazyInitializer().getPersistentClass();
    }
    ClassMetadata classMetadata = currentSession.getSessionFactory().getClassMetadata(persistentClass);
    if (classMetadata == null) {
        return;
    }
    Serializable identifier = classMetadata.getIdentifier(entity, (AbstractSessionImpl) currentSession);
    String key = persistentClass.getName() + "|" + identifier;

    if (recursiveGuard.contains(key)) {
        return;
    }
    recursiveGuard.add(key);

    if (!Hibernate.isInitialized(entity)) {
        Hibernate.initialize(entity);
    }

    for (int i = 0, n = classMetadata.getPropertyNames().length; i < n; i++) {
        String propertyName = classMetadata.getPropertyNames()[i];
        Type propertyType = classMetadata.getPropertyType(propertyName);
        Object propertyValue = null;
        if (entity instanceof javassist.util.proxy.ProxyObject) {
            // For javassist proxy, the classMetadata.getPropertyValue(..) method return en
            // emppty collection. So we have to call the property's getter in order to call the
            // JavassistLazyInitializer.invoke(..) method that will initialize the collection by
            // loading it from the database.
            propertyValue = callCollectionGetter(entity, propertyName);
        } else {
            propertyValue = classMetadata.getPropertyValue(entity, propertyName, EntityMode.POJO);
        }
        deepInflateProperty(propertyValue, propertyType, currentSession, recursiveGuard);
    }
}

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From source file:com.mg.framework.service.DatabaseAuditServiceImpl.java

License:Open Source License

private String entityPropertyToString(Object state, ClassMetadata metadata) {
    if (state != null) {
        Serializable id = metadata.getIdentifier(state, EntityMode.POJO);
        return MessageHelper.infoString(metadata.getEntityName(), id);
    } else/*from   w  w  w. j a va2s .com*/
        return null;
}

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From source file:com.mg.framework.service.PersistentObjectHibernate.java

License:Open Source License

public AttributeMap getAllAttributes() {
    org.hibernate.metadata.ClassMetadata meta = getFactory()
            .getClassMetadata(ReflectionUtils.getEntityClass(this));
    String[] props = meta.getPropertyNames();
    Object[] values = meta.getPropertyValues(this, getEntityMode());
    AttributeMap result = new com.mg.framework.support.LocalDataTransferObject();
    for (int i = 0; i < props.length; i++) {
        if (values[i] == LazyPropertyInitializer.UNFETCHED_PROPERTY) {
            //http://issues.m-g.ru/bugzilla/show_bug.cgi?id=4664
            //? ? ?? ? , ?  lazy 
            //??   get  set  ? 
            values[i] = getAttribute(props[i]);
        }//from w  ww  . ja va 2  s. c o m
        result.put(props[i], values[i]);
    }
    //put identifier
    result.put(meta.getIdentifierPropertyName(), meta.getIdentifier(this, getEntityMode()));
    //put custom fields
    if (customFieldsStorage != null)
        result.putAll(customFieldsStorage.getValues());
    return result;
}

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From source file:com.oracle.coherence.hibernate.cachestore.HibernateCacheLoader.java

License:CDDL license

/**
 * Load a collection of Hibernate entities given a set of ids (keys)
 *
 * @param keys  the cache keys; specifically, the entity ids
 *
 * @return      the corresponding Hibernate entity instances
 *//*from   w w  w.j  a  v a 2s  .  c  o  m*/
public Map loadAll(Collection keys) {
    ensureInitialized();

    Map results = new HashMap();

    Transaction tx = null;

    Session session = openSession();
    SessionImplementor sessionImplementor = (SessionImplementor) session;

    try {
        tx = session.beginTransaction();

        // Create the query
        String sQuery = getLoadAllQuery();
        Query query = session.createQuery(sQuery);

        // Prevent Hibernate from caching the results
        query.setCacheMode(CacheMode.IGNORE);
        query.setCacheable(false);
        query.setReadOnly(true);

        // Parameterize the query (where :keys = keys)
        query.setParameterList(PARAM_IDS, keys);

        // Need a way to extract the key from an entity that we know
        // nothing about.
        ClassMetadata classMetaData = getEntityClassMetadata();

        // Iterate through the results and place into the return map
        for (Iterator iter = query.list().iterator(); iter.hasNext();) {
            Object entity = iter.next();
            Object id = classMetaData.getIdentifier(entity, sessionImplementor);
            results.put(id, entity);
        }

        tx.commit();
    } catch (Exception e) {
        if (tx != null) {
            tx.rollback();
        }

        throw ensureRuntimeException(e);
    } finally {
        closeSession(session);
    }

    return results;
}

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