au.gov.naa.digipres.spyd.dao.hibernate.HibernateItemRecordDAO.java Source code

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Here is the source code for au.gov.naa.digipres.spyd.dao.hibernate.HibernateItemRecordDAO.java

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/**
* This file is part of Spyd.
*
* Spyd is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Spyd is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Network Manifest Checker.  If not, see <http://www.gnu.org/licenses/>.
* 
* @author Matthew Oliver
*/
package au.gov.naa.digipres.spyd.dao.hibernate;

import java.util.List;
import java.util.logging.Logger;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;

import au.gov.naa.digipres.spyd.dao.ItemRecordDAO;
import au.gov.naa.digipres.spyd.model.ItemRecord;

public class HibernateItemRecordDAO implements ItemRecordDAO {
    private Logger logger = Logger.getLogger(this.getClass().getName());

    @Override
    public ItemRecord getItemRecord(String id) {
        Session session = HibernateUtil.getSession();
        Criteria crit = session.createCriteria(ItemRecord.class);
        crit.add(Restrictions.eq("id", id));
        List results = crit.list();
        if ((results == null) || results.size() == 0) {
            return null;
        }
        ItemRecord item = (ItemRecord) results.get(0);
        session.flush();
        session.clear();

        return item;
    }

    @Override
    public List<ItemRecord> getAllItemRecords() {
        Session session = HibernateUtil.getSession();
        Criteria crit = session.createCriteria(ItemRecord.class);
        List<ItemRecord> itemRecords = crit.list();
        session.flush();
        session.clear();

        return itemRecords;
    }

    @Override
    public List<ItemRecord> getItemRecordsBySubDir(String subdir) {
        Session session = HibernateUtil.getSession();
        Criteria crit = session.createCriteria(ItemRecord.class);

        //TODO add a restriction to the criteria so it actually gets filtered. 
        List<ItemRecord> itemRecords = crit.list();
        session.flush();
        session.clear();

        return itemRecords;
    }

    @Override
    public void saveItemRecord(ItemRecord itemRecord) {
        logger.fine("Persisting Item Record");
        Session session = HibernateUtil.getSession();
        session.saveOrUpdate(itemRecord);
        session.flush();
        session.clear();
        logger.fine("Item Record Persisted.");
    }

    @Override
    public void removeItemRecord(ItemRecord itemRecord) {
        logger.fine("Removing Item Record");
        Session session = HibernateUtil.getSession();
        session.delete(itemRecord);
        session.flush();
        session.clear();
        logger.fine("Item Record Removed.");
    }

}