/**
* 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.Collection;
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.RequestOperationLevelEntity;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import com.google.inject.persist.Transactional;
@Singleton
public class RequestOperationLevelDAO {
@Inject
Provider<EntityManager> entityManagerProvider;
@Inject
DaoUtils daoUtils;
@RequiresSession
public List<RequestOperationLevelEntity> findByHostId(Long hostId) {
final TypedQuery<RequestOperationLevelEntity> query = entityManagerProvider.get()
.createNamedQuery("requestOperationLevelByHostId", RequestOperationLevelEntity.class);
query.setParameter("hostId", hostId);
return daoUtils.selectList(query);
}
@RequiresSession
public List<RequestOperationLevelEntity> findAll() {
return daoUtils.selectAll(entityManagerProvider.get(), RequestOperationLevelEntity.class);
}
@Transactional
public void refresh(RequestOperationLevelEntity requestOperationLevelEntity) {
entityManagerProvider.get().refresh(requestOperationLevelEntity);
}
@Transactional
public void create(RequestOperationLevelEntity requestOperationLevelEntity) {
entityManagerProvider.get().persist(requestOperationLevelEntity);
}
@Transactional
public RequestOperationLevelEntity merge(RequestOperationLevelEntity requestOperationLevelEntity) {
return entityManagerProvider.get().merge(requestOperationLevelEntity);
}
@Transactional
public void remove(RequestOperationLevelEntity requestOperationLevelEntity) {
entityManagerProvider.get().remove(merge(requestOperationLevelEntity));
}
@Transactional
public void removeByHostId(Long hostId) {
Collection<RequestOperationLevelEntity> hostRequestOpLevels = this.findByHostId(hostId);
for (RequestOperationLevelEntity hostRequestOpLevel : hostRequestOpLevels) {
this.remove(hostRequestOpLevel);
}
}
}