tools.xor.util.Hibernate4Support.java Source code

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Here is the source code for tools.xor.util.Hibernate4Support.java

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/**
 * XOR, empowering Model Driven Architecture in J2EE applications
 *
 * Copyright (c) 2012, Dilip Dalton
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and limitations 
 * under the License.
 */

package tools.xor.util;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.engine.spi.CascadeStyle;
import org.hibernate.engine.spi.CascadingActions;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.mapping.Property;
import org.hibernate.persister.collection.CollectionPersister;
import org.hibernate.type.CollectionType;
import org.hibernate.type.Type;

public class Hibernate4Support implements HibernateSupport {

    @Override
    public CollectionPersister getCollectionPersister(SessionFactory sessionFactory, CollectionType collType) {
        return ((SessionFactoryImplementor) sessionFactory).getCollectionPersister(collType.getRole());
    }

    @Override
    public boolean isCascaded(Configuration configuration, String entityName, String inputPropertyName) {

        if (configuration.getClassMapping(entityName) == null)
            return false;

        Property property = configuration.getClassMapping(entityName).getProperty(inputPropertyName);
        CascadeStyle style = property.getCascadeStyle();

        return style.doCascade(CascadingActions.SAVE_UPDATE) || style.doCascade(CascadingActions.PERSIST);
    }

    @Override
    public Type getEntityType(SessionFactory sessionFactory, String entityName) {
        return sessionFactory.getTypeHelper().entity(entityName);
    }

    @Override
    public Session getCurrentSession(SessionFactory sessionFactory) {
        return sessionFactory.getCurrentSession();
    }
}