org.dspace.orm.dao.database.HandleDao.java Source code

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Here is the source code for org.dspace.orm.dao.database.HandleDao.java

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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package org.dspace.orm.dao.database;

import java.util.List;

import org.dspace.orm.dao.api.IHandleDao;
import org.dspace.orm.dao.content.DSpaceObjectType;
import org.dspace.orm.entity.Handle;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Joo Melo <jmelo@lyncode.com>
 * @author Miguel Pinto <mpinto@lyncode.com>
 */
@Transactional
@Repository("org.dspace.orm.dao.api.IHandleDao")
public class HandleDao extends DSpaceDao<Handle> implements IHandleDao {
    //    private static Logger log = LogManager.getLogger(HandleDao.class);

    public HandleDao() {
        super(Handle.class);
    }

    @Override
    public Handle selectByResourceId(DSpaceObjectType resourseType, int id) {
        return (Handle) super.getSession().createCriteria(Handle.class).add(Restrictions
                .and(Restrictions.eq("resourceType", resourseType.getId()), Restrictions.eq("resourceId", id)))
                .uniqueResult();
    }

    @Override
    public Handle selectByHandle(String handle) {
        return (Handle) super.getSession().createCriteria(Handle.class).add(Restrictions.eq("handleString", handle))
                .uniqueResult();
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<Handle> selectByPrefix(String naHandle) {
        return (List<Handle>) super.getSession().createCriteria(Handle.class)
                .add(Restrictions.like("handleString", naHandle + "/%")).list();
    }

    @Override
    public long countByPrefix(String oldH) {
        return (Long) getSession().createCriteria(Handle.class).setProjection(Projections.rowCount())
                .uniqueResult();
    }

}