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// 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,
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package org.apache.cloudstack.engine.datacenter.entity.api.db.dao;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import javax.ejb.Local;
import org.apache.cloudstack.engine.datacenter.entity.api.DataCenterResourceEntity;
import org.apache.cloudstack.engine.datacenter.entity.api.DataCenterResourceEntity.State;
import org.apache.cloudstack.engine.datacenter.entity.api.DataCenterResourceEntity.State.Event;
import org.apache.cloudstack.engine.datacenter.entity.api.db.EngineHostPodVO;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import com.cloud.org.Grouping;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.GenericSearchBuilder;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.UpdateBuilder;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.db.TransactionLegacy;
@Component(value="EngineHostPodDao")
@Local(value={EngineHostPodDao.class})
public class EngineHostPodDaoImpl extends GenericDaoBase<EngineHostPodVO, Long> implements EngineHostPodDao {
private static final Logger s_logger = Logger.getLogger(EngineHostPodDaoImpl.class);
protected SearchBuilder<EngineHostPodVO> DataCenterAndNameSearch;
protected SearchBuilder<EngineHostPodVO> DataCenterIdSearch;
protected SearchBuilder<EngineHostPodVO> UUIDSearch;
protected SearchBuilder<EngineHostPodVO> StateChangeSearch;
protected EngineHostPodDaoImpl() {
DataCenterAndNameSearch = createSearchBuilder();
DataCenterAndNameSearch.and("dc", DataCenterAndNameSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
DataCenterAndNameSearch.and("name", DataCenterAndNameSearch.entity().getName(), SearchCriteria.Op.EQ);
DataCenterAndNameSearch.done();
DataCenterIdSearch = createSearchBuilder();
DataCenterIdSearch.and("dcId", DataCenterIdSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
DataCenterIdSearch.done();
UUIDSearch = createSearchBuilder();
UUIDSearch.and("uuid", UUIDSearch.entity().getUuid(), SearchCriteria.Op.EQ);
UUIDSearch.done();
StateChangeSearch = createSearchBuilder();
StateChangeSearch.and("id", StateChangeSearch.entity().getId(), SearchCriteria.Op.EQ);
StateChangeSearch.and("state", StateChangeSearch.entity().getState(), SearchCriteria.Op.EQ);
StateChangeSearch.done();
}
@Override
public List<EngineHostPodVO> listByDataCenterId(long id) {
SearchCriteria<EngineHostPodVO> sc = DataCenterIdSearch.create();
sc.setParameters("dcId", id);
return listBy(sc);
}
@Override
public EngineHostPodVO findByName(String name, long dcId) {
SearchCriteria<EngineHostPodVO> sc = DataCenterAndNameSearch.create();
sc.setParameters("dc", dcId);
sc.setParameters("name", name);
return findOneBy(sc);
}
@Override
public HashMap<Long, List<Object>> getCurrentPodCidrSubnets(long zoneId, long podIdToSkip) {
HashMap<Long, List<Object>> currentPodCidrSubnets = new HashMap<Long, List<Object>>();
String selectSql = "SELECT id, cidr_address, cidr_size FROM host_pod_ref WHERE data_center_id=" + zoneId +" and removed IS NULL";
TransactionLegacy txn = TransactionLegacy.currentTxn();
try {
PreparedStatement stmt = txn.prepareAutoCloseStatement(selectSql);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
Long podId = rs.getLong("id");
if (podId.longValue() == podIdToSkip) {
continue;
}
String cidrAddress = rs.getString("cidr_address");
long cidrSize = rs.getLong("cidr_size");
List<Object> cidrPair = new ArrayList<Object>();
cidrPair.add(0, cidrAddress);
cidrPair.add(1, new Long(cidrSize));
currentPodCidrSubnets.put(podId, cidrPair);
}
} catch (SQLException ex) {
s_logger.warn("DB exception " + ex.getMessage(), ex);
return null;
}
return currentPodCidrSubnets;
}
@Override
public boolean remove(Long id) {
TransactionLegacy txn = TransactionLegacy.currentTxn();
txn.start();
EngineHostPodVO pod = createForUpdate();
pod.setName(null);
update(id, pod);
boolean result = super.remove(id);
txn.commit();
return result;
}
@Override
public List<Long> listDisabledPods(long zoneId) {
GenericSearchBuilder<EngineHostPodVO, Long> podIdSearch = createSearchBuilder(Long.class);
podIdSearch.selectFields(podIdSearch.entity().getId());
podIdSearch.and("dataCenterId", podIdSearch.entity().getDataCenterId(), Op.EQ);
podIdSearch.and("allocationState", podIdSearch.entity().getAllocationState(), Op.EQ);
podIdSearch.done();
SearchCriteria<Long> sc = podIdSearch.create();
sc.addAnd("dataCenterId", SearchCriteria.Op.EQ, zoneId);
sc.addAnd("allocationState", SearchCriteria.Op.EQ, Grouping.AllocationState.Disabled);
return customSearch(sc, null);
}
@Override
public boolean updateState(State currentState, Event event, State nextState, DataCenterResourceEntity podEntity, Object data) {
EngineHostPodVO vo = findById(podEntity.getId());
Date oldUpdatedTime = vo.getLastUpdated();
SearchCriteria<EngineHostPodVO> sc = StateChangeSearch.create();
sc.setParameters("id", vo.getId());
sc.setParameters("state", currentState);
UpdateBuilder builder = getUpdateBuilder(vo);
builder.set(vo, "state", nextState);
builder.set(vo, "lastUpdated", new Date());
int rows = update((EngineHostPodVO) vo, sc);
if (rows == 0 && s_logger.isDebugEnabled()) {
EngineHostPodVO dbDC = findByIdIncludingRemoved(vo.getId());
if (dbDC != null) {
StringBuilder str = new StringBuilder("Unable to update ").append(vo.toString());
str.append(": DB Data={id=").append(dbDC.getId()).append("; state=").append(dbDC.getState()).append(";updatedTime=")
.append(dbDC.getLastUpdated());
str.append(": New Data={id=").append(vo.getId()).append("; state=").append(nextState).append("; event=").append(event).append("; updatedTime=").append(vo.getLastUpdated());
str.append(": stale Data={id=").append(vo.getId()).append("; state=").append(currentState).append("; event=").append(event).append("; updatedTime=").append(oldUpdatedTime);
} else {
s_logger.debug("Unable to update dataCenter: id=" + vo.getId() + ", as there is no such dataCenter exists in the database anymore");
}
}
return rows > 0;
}
}