/*
* Copyright (c) 2013, Intel Corporation.
* All rights reserved.
*
* The contents of this file are released under the BSD license, you may not use this file except in compliance with the License.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of Intel Corporation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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package com.intel.mtwilson.as.controller;
import com.intel.mtwilson.as.controller.exceptions.NonexistentEntityException;
import com.intel.mtwilson.as.data.MwMleSource;
import java.io.Serializable;
import javax.persistence.Query;
import javax.persistence.EntityNotFoundException;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
import com.intel.mtwilson.as.data.TblMle;
import java.util.List;
import javax.persistence.*;
import org.eclipse.persistence.config.CacheUsage;
import org.eclipse.persistence.config.HintValues;
import org.eclipse.persistence.config.QueryHints;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author ssbangal
*/
public class MwMleSourceJpaController implements Serializable {
private Logger log = LoggerFactory.getLogger(getClass());
public MwMleSourceJpaController(EntityManagerFactory emf) {
this.emf = emf;
}
private EntityManagerFactory emf = null;
public EntityManager getEntityManager() {
return emf.createEntityManager();
}
public void create(MwMleSource mwMleSource) {
EntityManager em = getEntityManager();
try {
em.getTransaction().begin();
TblMle mleId = mwMleSource.getMleId();
if (mleId != null) {
mleId = em.getReference(mleId.getClass(), mleId.getId());
mwMleSource.setMleId(mleId);
}
em.persist(mwMleSource);
if (mleId != null) {
mleId.getMwMleSourceCollection().add(mwMleSource);
em.merge(mleId);
}
em.getTransaction().commit();
} finally {
em.close();
}
}
public void edit(MwMleSource mwMleSource) throws NonexistentEntityException, Exception {
EntityManager em = getEntityManager();
try {
em.getTransaction().begin();
MwMleSource persistentMwMleSource = em.find(MwMleSource.class, mwMleSource.getId());
TblMle mleIdOld = persistentMwMleSource.getMleId();
TblMle mleIdNew = mwMleSource.getMleId();
if (mleIdNew != null) {
mleIdNew = em.getReference(mleIdNew.getClass(), mleIdNew.getId());
mwMleSource.setMleId(mleIdNew);
}
mwMleSource = em.merge(mwMleSource);
if (mleIdOld != null && !mleIdOld.equals(mleIdNew)) {
mleIdOld.getMwMleSourceCollection().remove(mwMleSource);
mleIdOld = em.merge(mleIdOld);
}
if (mleIdNew != null && !mleIdNew.equals(mleIdOld)) {
mleIdNew.getMwMleSourceCollection().add(mwMleSource);
em.merge(mleIdNew);
}
em.getTransaction().commit();
} catch (Exception ex) {
String msg = ex.getLocalizedMessage();
if (msg == null || msg.length() == 0) {
Integer id = mwMleSource.getId();
if (findMwMleSource(id) == null) {
throw new NonexistentEntityException("The mwMleSource with id " + id + " no longer exists.");
}
}
throw ex;
} finally {
em.close();
}
}
public void destroy(Integer id) throws NonexistentEntityException {
EntityManager em = getEntityManager();
try {
em.getTransaction().begin();
MwMleSource mwMleSource;
try {
mwMleSource = em.getReference(MwMleSource.class, id);
mwMleSource.getId();
} catch (EntityNotFoundException enfe) {
throw new NonexistentEntityException("The mwMleSource with id " + id + " no longer exists.", enfe);
}
TblMle mleId = mwMleSource.getMleId();
if (mleId != null) {
mleId.getMwMleSourceCollection().remove(mwMleSource);
em.merge(mleId);
}
em.remove(mwMleSource);
em.getTransaction().commit();
} finally {
em.close();
}
}
public List<MwMleSource> findMwMleSourceEntities() {
return findMwMleSourceEntities(true, -1, -1);
}
public List<MwMleSource> findMwMleSourceEntities(int maxResults, int firstResult) {
return findMwMleSourceEntities(false, maxResults, firstResult);
}
private List<MwMleSource> findMwMleSourceEntities(boolean all, int maxResults, int firstResult) {
EntityManager em = getEntityManager();
try {
CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
cq.select(cq.from(MwMleSource.class));
Query q = em.createQuery(cq);
if (!all) {
q.setMaxResults(maxResults);
q.setFirstResult(firstResult);
}
return q.getResultList();
} finally {
em.close();
}
}
public MwMleSource findMwMleSource(Integer id) {
EntityManager em = getEntityManager();
try {
return em.find(MwMleSource.class, id);
} finally {
em.close();
}
}
public int getMwMleSourceCount() {
EntityManager em = getEntityManager();
try {
CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
Root<MwMleSource> rt = cq.from(MwMleSource.class);
cq.select(em.getCriteriaBuilder().count(rt));
Query q = em.createQuery(cq);
return ((Long) q.getSingleResult()).intValue();
} finally {
em.close();
}
}
public MwMleSource findByMleId(Integer id) {
EntityManager em = getEntityManager();
try {
Query query = em.createNamedQuery("MwMleSource.findByMleID");
query.setParameter("mleId", id);
query.setHint(QueryHints.REFRESH, HintValues.TRUE);
query.setHint(QueryHints.CACHE_USAGE, CacheUsage.DoNotCheckCache);
MwMleSource mleSourceObj = (MwMleSource) query.getSingleResult();
return mleSourceObj;
} catch(NoResultException e){
log.error(String.format("MLE information with identity %d not found in the DB.", id));
return null;
} finally {
em.close();
}
}
}