com.technologicaloddity.saha.dao.MetadataDao.java Source code

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Here is the source code for com.technologicaloddity.saha.dao.MetadataDao.java

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/**
 * (c) 2010 Technological Oddity
 *     http://technologicaloddity.com
 *
 * I, Bob Robinson, the author of this work hereby release it
 * under the Creative Commons-By Attribution 3.0 license for
 * both commercial and non-commercial purposes.
 * See the license at:
 * http://creativecommons.org/licenses/by/3.0/
 */
package com.technologicaloddity.saha.dao;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Component;

import com.technologicaloddity.saha.model.Metadata;

/**
 * @author Bob Robinson, http://technologicaloddity.com
 *
 */
@Component
public class MetadataDao extends MappedModelDao<Metadata> {

    /* (non-Javadoc)
     * @see com.technologicaloddity.saha.dao.MappedModelDao#getActualClass()
     */
    @Override
    public Class<Metadata> getActualClass() {
        return Metadata.class;
    }

    public Metadata getNameMetadata() {
        Session session = getCurrentSession();
        Criteria criteria = session.createCriteria(getActualClass());
        criteria.add(Restrictions.eq("metakey", "name"));
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        criteria.setMaxResults(1);
        Metadata result = (Metadata) criteria.uniqueResult();
        if (result == null) {
            result = new Metadata();
            result.setMetakey("name");
            result.setMetavalue(null);
        }
        return result;
    }

}