| // 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.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); |
| } |
| |
| } |