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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
// specific language governing permissions and limitations
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package org.apache.cloudstack.engine.datacenter.entity.api;
import javax.inject.Inject;
import org.springframework.stereotype.Component;
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.EngineClusterVO;
import org.apache.cloudstack.engine.datacenter.entity.api.db.EngineDataCenterVO;
import org.apache.cloudstack.engine.datacenter.entity.api.db.EngineHostPodVO;
import org.apache.cloudstack.engine.datacenter.entity.api.db.EngineHostVO;
import org.apache.cloudstack.engine.datacenter.entity.api.db.dao.EngineClusterDao;
import org.apache.cloudstack.engine.datacenter.entity.api.db.dao.EngineDataCenterDao;
import org.apache.cloudstack.engine.datacenter.entity.api.db.dao.EngineHostDao;
import org.apache.cloudstack.engine.datacenter.entity.api.db.dao.EngineHostPodDao;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.utils.fsm.NoTransitionException;
import com.cloud.utils.fsm.StateMachine2;
@Component
public class DataCenterResourceManagerImpl implements DataCenterResourceManager {
@Inject
EngineDataCenterDao _dataCenterDao;
@Inject
EngineHostPodDao _podDao;
@Inject
EngineClusterDao _clusterDao;
@Inject
EngineHostDao _hostDao;
protected StateMachine2<State, Event, DataCenterResourceEntity> _stateMachine = DataCenterResourceEntity.State.s_fsm;
@Override
public EngineDataCenterVO loadDataCenter(String dataCenterId) {
EngineDataCenterVO dataCenterVO = _dataCenterDao.findByUuid(dataCenterId);
if (dataCenterVO == null) {
throw new InvalidParameterValueException("Zone does not exist");
}
return dataCenterVO;
}
@Override
public void saveDataCenter(EngineDataCenterVO dc) {
_dataCenterDao.persist(dc);
}
@Override
public boolean changeState(DataCenterResourceEntity entity, Event event) throws NoTransitionException {
if (entity instanceof ZoneEntity) {
return _stateMachine.transitTo(entity, event, null, _dataCenterDao);
} else if (entity instanceof PodEntity) {
return _stateMachine.transitTo(entity, event, null, _podDao);
} else if (entity instanceof ClusterEntity) {
return _stateMachine.transitTo(entity, event, null, _clusterDao);
} else if (entity instanceof HostEntity) {
return _stateMachine.transitTo(entity, event, null, _hostDao);
}
return false;
}
@Override
public EngineHostPodVO loadPod(String uuid) {
EngineHostPodVO pod = _podDao.findByUuid(uuid);
if (pod == null) {
throw new InvalidParameterValueException("Pod does not exist");
}
return pod;
}
@Override
public EngineClusterVO loadCluster(String uuid) {
EngineClusterVO cluster = _clusterDao.findByUuid(uuid);
if (cluster == null) {
throw new InvalidParameterValueException("Pod does not exist");
}
return cluster;
}
@Override
public void savePod(EngineHostPodVO pod) {
_podDao.persist(pod);
}
@Override
public void saveCluster(EngineClusterVO cluster) {
_clusterDao.persist(cluster);
}
@Override
public EngineHostVO loadHost(String uuid) {
EngineHostVO host = _hostDao.findByUuid(uuid);
if (host == null) {
throw new InvalidParameterValueException("Host does not exist");
}
return host;
}
@Override
public void saveHost(EngineHostVO hostVO) {
_hostDao.persist(hostVO);
}
}