eu.optimis.common.trec.db.ip.TrecSLADAO.java Source code

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/**
    
Copyright 2013 ATOS SPAIN S.A.
    
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.
    
Authors :
Juan Luis Prieto, Francisco Javier Nieto. Atos Research and Innovation, Atos SPAIN SA
@email francisco.nieto@atosresearch.eu 
    
**/

package eu.optimis.common.trec.db.ip;

import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import eu.optimis.common.trec.db.ip.utils.HibernateUtil;
import eu.optimis.trec.common.db.ip.model.ServiceSla;

public class TrecSLADAO {

    private final Logger logger = LoggerFactory.getLogger(TrecSLADAO.class.getName());

    public boolean addIp(String serviceId, String ipId, String slaId) throws Exception {
        Session session = null;
        ServiceSla ssla = new ServiceSla();
        SessionFactory sf = HibernateUtil.getSessionFactory();
        try {
            session = sf.openSession();
            Transaction tx = session.beginTransaction();
            tx.begin();
            ssla.setId(null);
            ssla.setSlaId(slaId);
            ssla.setIpId(ipId);
            ssla.setServiceId(serviceId);
            session.save(ssla);
            tx.commit();
            if (tx.wasCommitted()) {
                logger.info("Transaction commited");
            }
        } catch (Exception e) {
            logger.info("ERROR " + e.getMessage());
            throw new Exception(e.toString());
        } finally {
            if (session != null) {
                try {
                    session.close();
                } catch (HibernateException e) {
                }
            }
        }
        sf.close();
        return true;
    }

    @SuppressWarnings("unchecked")
    public List<ServiceSla> getSLAbyServiceId(String serviceId) throws Exception {
        Session session = null;
        List<ServiceSla> results = null;
        SessionFactory sf = HibernateUtil.getSessionFactory();
        try {
            session = sf.openSession();
            Transaction tx = session.beginTransaction();
            tx.begin();
            // Search by IP Name
            Criteria criteria = session.createCriteria(ServiceSla.class);
            criteria.add(Restrictions.like("serviceId", serviceId));
            //TODO limite to sp
            results = (List<ServiceSla>) criteria.list();
            tx.commit();
            return results;
        } catch (Exception e) {
            logger.error("ERROR " + e.getMessage());
            throw new Exception(e.toString());
        }
    }

    public boolean deleteIP2SPTrust(String serviceId) throws Exception {
        Session session = null;
        SessionFactory sf = HibernateUtil.getSessionFactory();
        int result = 0;
        try {
            session = sf.openSession();
            Transaction tx = session.beginTransaction();
            tx.begin();
            Query query = session.createSQLQuery("DELETE FROM service_sla WHERE serviceId =:serviceId");
            query.setParameter("serviceId", serviceId);
            result = query.executeUpdate();
            tx.commit();
            sf.close();
        } catch (Exception e) {
            logger.error("ERROR " + e.getMessage());
            throw new Exception(e.toString());
        }

        if (result == 0)
            return false;

        return true;
    }

}