Example usage for org.hibernate.persister.entity SingleTableEntityPersister getEntityMetamodel

Introduction

In this page you can find the example usage for org.hibernate.persister.entity SingleTableEntityPersister getEntityMetamodel.

Prototype

public EntityMetamodel getEntityMetamodel() 

Source Link

Usage

From source file:cc.alcina.framework.entity.impl.jboss.JPAHibernateImpl.java

License:Apache License

@Override
public Set<HiliLocator> getSessionEntityLocators(EntityManager entityManager) {
    Set<HiliLocator> result = new LinkedHashSet<>();
    try {//from   w  w  w . ja  v  a  2s .com
        SessionImplementor sessionImpl = (SessionImplementor) entityManager.getDelegate();
        PersistenceContext persistenceContext = sessionImpl.getPersistenceContext();
        Field entitiesField = StatefulPersistenceContext.class.getDeclaredField("entitiesByKey");
        Field proxiesField = StatefulPersistenceContext.class.getDeclaredField("proxiesByKey");
        Field entityPersisterField = EntityKey.class.getDeclaredField("persister");
        entitiesField.setAccessible(true);
        entityPersisterField.setAccessible(true);
        proxiesField.setAccessible(true);
        List<Map> maps = Arrays.asList((Map) entitiesField.get(persistenceContext),
                (Map) proxiesField.get(persistenceContext));
        for (Map map : maps) {
            for (Object obj : map.keySet()) {
                EntityKey key = (EntityKey) obj;
                long id = (long) key.getIdentifier();
                SingleTableEntityPersister persister = (SingleTableEntityPersister) entityPersisterField
                        .get(key);
                Class clazz = persister.getEntityMetamodel().getEntityType().getReturnedClass();
                result.add(new HiliLocator(clazz, id, 0));
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

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From source file:com.github.kuros.random.jpa.metamodel.AttributeProvider.java

License:Open Source License

private List<String> getSupportedAttributeNames(final SingleTableEntityPersister singleTableEntityPersister) {
    final EntityMetamodel entityMetamodel = singleTableEntityPersister.getEntityMetamodel();
    final NonIdentifierAttribute[] properties = entityMetamodel.getProperties();
    final List<String> attributeNames = new ArrayList<String>();
    for (NonIdentifierAttribute property : properties) {
        if (property.isInsertable()) {
            if (property instanceof EntityBasedAssociationAttribute) {
                final EntityBasedAssociationAttribute entityBasedAssociationAttribute = (EntityBasedAssociationAttribute) property;
                if (!(entityBasedAssociationAttribute
                        .getAssociationNature() == AssociationAttributeDefinition.AssociationNature.ENTITY)) {
                    continue;
                }/*  w w w.  j  a v a  2  s  . c o  m*/
            }

            attributeNames.add(property.getName());
        }
    }

    final IdentifierProperty identifierProperty = entityMetamodel.getIdentifierProperty();
    attributeNames.add(identifierProperty.getName());
    return attributeNames;
}

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