/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.ambari.server.orm.dao;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.TypedQuery;
import org.apache.ambari.server.orm.RequiresSession;
import org.apache.ambari.server.orm.entities.WidgetLayoutEntity;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import com.google.inject.persist.Transactional;
@Singleton
public class WidgetLayoutDAO {
@Inject
Provider<EntityManager> entityManagerProvider;
/**
* DAO utilities for dealing mostly with {@link TypedQuery} results.
*/
@Inject
private DaoUtils daoUtils;
@RequiresSession
public WidgetLayoutEntity findById(Long id) {
return entityManagerProvider.get().find(WidgetLayoutEntity.class, id);
}
@RequiresSession
public List<WidgetLayoutEntity> findByCluster(long clusterId) {
TypedQuery<WidgetLayoutEntity> query = entityManagerProvider.get()
.createNamedQuery("WidgetLayoutEntity.findByCluster", WidgetLayoutEntity.class);
query.setParameter("clusterId", clusterId);
return daoUtils.selectList(query);
}
@RequiresSession
public List<WidgetLayoutEntity> findBySectionName(String sectionName) {
TypedQuery<WidgetLayoutEntity> query = entityManagerProvider.get()
.createNamedQuery("WidgetLayoutEntity.findBySectionName", WidgetLayoutEntity.class);
query.setParameter("sectionName", sectionName);
return daoUtils.selectList(query);
}
@RequiresSession
public List<WidgetLayoutEntity> findByName(Long clusterId, String layoutName, String userName) {
TypedQuery<WidgetLayoutEntity> query = entityManagerProvider.get()
.createNamedQuery("WidgetLayoutEntity.findByName", WidgetLayoutEntity.class);
query.setParameter("clusterId", clusterId);
query.setParameter("layoutName", layoutName);
query.setParameter("userName", userName);
return daoUtils.selectList(query);
}
@RequiresSession
public List<WidgetLayoutEntity> findAll() {
TypedQuery<WidgetLayoutEntity> query = entityManagerProvider.get()
.createNamedQuery("WidgetLayoutEntity.findAll", WidgetLayoutEntity.class);
return daoUtils.selectList(query);
}
@Transactional
public void create(WidgetLayoutEntity widgetLayoutEntity) {
entityManagerProvider.get().persist(widgetLayoutEntity);
}
@Transactional
public void createWithFlush(WidgetLayoutEntity widgetLayoutEntity) {
EntityManager entityManager = entityManagerProvider.get();
entityManager.persist(widgetLayoutEntity);
entityManager.flush();
entityManager.refresh(widgetLayoutEntity);
}
@Transactional
public WidgetLayoutEntity merge(WidgetLayoutEntity widgetLayoutEntity) {
return entityManagerProvider.get().merge(widgetLayoutEntity);
}
@Transactional
public WidgetLayoutEntity mergeWithFlush(WidgetLayoutEntity widgetLayoutEntity) {
EntityManager entityManager = entityManagerProvider.get();
widgetLayoutEntity = entityManager.merge(widgetLayoutEntity);
entityManager.flush();
entityManager.refresh(widgetLayoutEntity);
return widgetLayoutEntity;
}
@Transactional
public void remove(WidgetLayoutEntity widgetLayoutEntity) {
entityManagerProvider.get().remove(merge(widgetLayoutEntity));
}
@Transactional
public void removeByPK(Long id) {
entityManagerProvider.get().remove(findById(id));
}
@Transactional
public void refresh(WidgetLayoutEntity widgetLayoutEntity) {
entityManagerProvider.get().refresh(widgetLayoutEntity);
}
}