/*
* 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.storage.snapshot;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Inject;
import org.springframework.stereotype.Component;
import org.apache.cloudstack.engine.subsystem.api.storage.DataObject;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreManager;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotDataFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeDataFactory;
import org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreVO;
import com.cloud.storage.DataStoreRole;
import com.cloud.storage.SnapshotVO;
import com.cloud.storage.dao.SnapshotDao;
import com.cloud.utils.exception.CloudRuntimeException;
@Component
public class SnapshotDataFactoryImpl implements SnapshotDataFactory {
@Inject
SnapshotDao snapshotDao;
@Inject
SnapshotDataStoreDao snapshotStoreDao;
@Inject
DataStoreManager storeMgr;
@Inject
VolumeDataFactory volumeFactory;
@Override
public SnapshotInfo getSnapshot(long snapshotId, DataStore store) {
SnapshotVO snapshot = snapshotDao.findById(snapshotId);
SnapshotObject so = SnapshotObject.getSnapshotObject(snapshot, store);
return so;
}
@Override
public SnapshotInfo getSnapshot(DataObject obj, DataStore store) {
SnapshotVO snapshot = snapshotDao.findById(obj.getId());
if (snapshot == null) {
throw new CloudRuntimeException("Can't find snapshot: " + obj.getId());
}
SnapshotObject so = SnapshotObject.getSnapshotObject(snapshot, store);
return so;
}
@Override
public SnapshotInfo getSnapshot(long snapshotId, DataStoreRole role) {
SnapshotVO snapshot = snapshotDao.findById(snapshotId);
SnapshotDataStoreVO snapshotStore = snapshotStoreDao.findBySnapshot(snapshotId, role);
if (snapshotStore == null) {
return null;
}
DataStore store = storeMgr.getDataStore(snapshotStore.getDataStoreId(), role);
SnapshotObject so = SnapshotObject.getSnapshotObject(snapshot, store);
return so;
}
@Override
public SnapshotInfo getReadySnapshotOnCache(long snapshotId) {
SnapshotDataStoreVO snapStore = snapshotStoreDao.findReadyOnCache(snapshotId);
if (snapStore != null) {
DataStore store = storeMgr.getDataStore(snapStore.getDataStoreId(), DataStoreRole.ImageCache);
return getSnapshot(snapshotId, store);
} else {
return null;
}
}
@Override
public List<SnapshotInfo> listSnapshotOnCache(long snapshotId) {
List<SnapshotDataStoreVO> cacheSnapshots = snapshotStoreDao.listOnCache(snapshotId);
List<SnapshotInfo> snapObjs = new ArrayList<SnapshotInfo>();
for (SnapshotDataStoreVO cacheSnap : cacheSnapshots) {
long storeId = cacheSnap.getDataStoreId();
DataStore store = storeMgr.getDataStore(storeId, DataStoreRole.ImageCache);
SnapshotInfo tmplObj = getSnapshot(snapshotId, store);
snapObjs.add(tmplObj);
}
return snapObjs;
}
}