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// 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
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// KIND, either express or implied. See the License for the
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package com.cloud.dc.dao;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Date;
import java.util.List;
import com.cloud.dc.PodVlanVO;
import com.cloud.utils.db.GenericDao;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
/**
* PodVlanDaoImpl maintains the one-to-many relationship between
*/
public class PodVlanDaoImpl extends GenericDaoBase<PodVlanVO, Long> implements GenericDao<PodVlanVO, Long> {
private final SearchBuilder<PodVlanVO> FreeVlanSearch;
private final SearchBuilder<PodVlanVO> VlanPodSearch;
private final SearchBuilder<PodVlanVO> PodSearchAllocated;
public List<PodVlanVO> listAllocatedVnets(long podId) {
SearchCriteria<PodVlanVO> sc = PodSearchAllocated.create();
sc.setParameters("podId", podId);
return listBy(sc);
}
public void add(long podId, int start, int end) {
String insertVnet = "INSERT INTO `cloud`.`op_pod_vlan_alloc` (vlan, pod_id) VALUES ( ?, ?)";
Transaction txn = Transaction.currentTxn();
try {
txn.start();
PreparedStatement stmt = txn.prepareAutoCloseStatement(insertVnet);
for (int i = start; i < end; i++) {
stmt.setString(1, String.valueOf(i));
stmt.setLong(2, podId);
stmt.addBatch();
}
stmt.executeBatch();
txn.commit();
} catch (SQLException e) {
throw new CloudRuntimeException("Exception caught adding vnet ", e);
}
}
public void delete(long podId) {
String deleteVnet = "DELETE FROM `cloud`.`op_pod_vlan_alloc` WHERE pod_id = ?";
Transaction txn = Transaction.currentTxn();
try {
PreparedStatement stmt = txn.prepareAutoCloseStatement(deleteVnet);
stmt.setLong(1, podId);
stmt.executeUpdate();
} catch (SQLException e) {
throw new CloudRuntimeException("Exception caught deleting vnet ", e);
}
}
public PodVlanVO take(long podId, long accountId) {
SearchCriteria<PodVlanVO> sc = FreeVlanSearch.create();
sc.setParameters("podId", podId);
Date now = new Date();
Transaction txn = Transaction.currentTxn();
try {
txn.start();
PodVlanVO vo = lockOneRandomRow(sc, true);
if (vo == null) {
return null;
}
vo.setTakenAt(now);
vo.setAccountId(accountId);
update(vo.getId(), vo);
txn.commit();
return vo;
} catch (Exception e) {
throw new CloudRuntimeException("Caught Exception ", e);
}
}
public void release(String vlan, long podId, long accountId) {
SearchCriteria<PodVlanVO> sc = VlanPodSearch.create();
sc.setParameters("vlan", vlan);
sc.setParameters("podId", podId);
sc.setParameters("account", accountId);
PodVlanVO vo = findOneIncludingRemovedBy(sc);
if (vo == null) {
return;
}
vo.setTakenAt(null);
vo.setAccountId(null);
update(vo.getId(), vo);
}
protected PodVlanDaoImpl() {
super();
PodSearchAllocated = createSearchBuilder();
PodSearchAllocated.and("podId", PodSearchAllocated.entity().getPodId(), SearchCriteria.Op.EQ);
PodSearchAllocated.and("allocated", PodSearchAllocated.entity().getTakenAt(), SearchCriteria.Op.NNULL);
PodSearchAllocated.done();
FreeVlanSearch = createSearchBuilder();
FreeVlanSearch.and("podId", FreeVlanSearch.entity().getPodId(), SearchCriteria.Op.EQ);
FreeVlanSearch.and("taken", FreeVlanSearch.entity().getTakenAt(), SearchCriteria.Op.NULL);
FreeVlanSearch.done();
VlanPodSearch = createSearchBuilder();
VlanPodSearch.and("vlan", VlanPodSearch.entity().getVlan(), SearchCriteria.Op.EQ);
VlanPodSearch.and("podId", VlanPodSearch.entity().getPodId(), SearchCriteria.Op.EQ);
VlanPodSearch.and("taken", VlanPodSearch.entity().getTakenAt(), SearchCriteria.Op.NNULL);
VlanPodSearch.and("account", VlanPodSearch.entity().getAccountId(), SearchCriteria.Op.EQ);
VlanPodSearch.done();
}
}