// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.storage.dao;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.List;
import javax.ejb.Local;
import org.apache.log4j.Logger;
import com.cloud.storage.Snapshot;
import com.cloud.storage.Snapshot.Type;
import com.cloud.storage.SnapshotVO;
import com.cloud.storage.VMTemplateStorageResourceAssoc.Status;
import com.cloud.storage.Volume;
import com.cloud.storage.VolumeVO;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.db.Filter;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.GenericSearchBuilder;
import com.cloud.utils.db.JoinBuilder.JoinType;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.SearchCriteria.Func;
import com.cloud.utils.db.Transaction;
import com.cloud.vm.VMInstanceVO;
import com.cloud.vm.dao.VMInstanceDaoImpl;
@Local (value={SnapshotDao.class})
public class SnapshotDaoImpl extends GenericDaoBase<SnapshotVO, Long> implements SnapshotDao {
public static final Logger s_logger = Logger.getLogger(SnapshotDaoImpl.class.getName());
private static final String GET_LAST_SNAPSHOT = "SELECT id FROM snapshots where volume_id = ? AND id != ? AND path IS NOT NULL ORDER BY created DESC";
private static final String UPDATE_SNAPSHOT_VERSION = "UPDATE snapshots SET version = ? WHERE volume_id = ? AND version = ?";
private static final String GET_SECHOST_ID = "SELECT sechost_id FROM snapshots where volume_id = ? AND backup_snap_id IS NOT NULL AND sechost_id IS NOT NULL LIMIT 1";
private static final String UPDATE_SECHOST_ID = "UPDATE snapshots SET sechost_id = ? WHERE data_center_id = ?";
private final SearchBuilder<SnapshotVO> VolumeIdSearch;
private final SearchBuilder<SnapshotVO> VolumeIdTypeSearch;
private final SearchBuilder<SnapshotVO> ParentIdSearch;
private final SearchBuilder<SnapshotVO> backupUuidSearch;
private final SearchBuilder<SnapshotVO> VolumeIdVersionSearch;
private final SearchBuilder<SnapshotVO> HostIdSearch;
private final SearchBuilder<SnapshotVO> AccountIdSearch;
private final SearchBuilder<SnapshotVO> InstanceIdSearch;
private final SearchBuilder<SnapshotVO> StatusSearch;
private final GenericSearchBuilder<SnapshotVO, Long> CountSnapshotsByAccount;
protected final VMInstanceDaoImpl _instanceDao = ComponentLocator.inject(VMInstanceDaoImpl.class);
protected final VolumeDaoImpl _volumeDao = ComponentLocator.inject(VolumeDaoImpl.class);
@Override
public SnapshotVO findNextSnapshot(long snapshotId) {
SearchCriteria<SnapshotVO> sc = ParentIdSearch.create();
sc.setParameters("prevSnapshotId", snapshotId);
return findOneIncludingRemovedBy(sc);
}
@Override
public List<SnapshotVO> listByBackupUuid(long volumeId, String backupUuid) {
SearchCriteria<SnapshotVO> sc = backupUuidSearch.create();
sc.setParameters("backupUuid", backupUuid);
return listBy(sc, null);
}
@Override
public List<SnapshotVO> listByVolumeIdType(long volumeId, Type type ) {
return listByVolumeIdType(null, volumeId, type);
}
@Override
public List<SnapshotVO> listByVolumeIdVersion(long volumeId, String version ) {
return listByVolumeIdVersion(null, volumeId, version);
}
@Override
public List<SnapshotVO> listByVolumeId(long volumeId) {
return listByVolumeId(null, volumeId);
}
@Override
public List<SnapshotVO> listByVolumeId(Filter filter, long volumeId ) {
SearchCriteria<SnapshotVO> sc = VolumeIdSearch.create();
sc.setParameters("volumeId", volumeId);
return listBy(sc, filter);
}
@Override
public List<SnapshotVO> listByHostId(long hostId) {
return listByHostId(null, hostId);
}
@Override
public List<SnapshotVO> listByHostId(Filter filter, long hostId ) {
SearchCriteria<SnapshotVO> sc = HostIdSearch.create();
sc.setParameters("hostId", hostId);
sc.setParameters("status", Snapshot.Status.BackedUp);
return listBy(sc, filter);
}
@Override
public List<SnapshotVO> listByVolumeIdIncludingRemoved(long volumeId) {
SearchCriteria<SnapshotVO> sc = VolumeIdSearch.create();
sc.setParameters("volumeId", volumeId);
return listIncludingRemovedBy(sc, null);
}
public List<SnapshotVO> listByVolumeIdType(Filter filter, long volumeId, Type type ) {
SearchCriteria<SnapshotVO> sc = VolumeIdTypeSearch.create();
sc.setParameters("volumeId", volumeId);
sc.setParameters("type", type.ordinal());
return listBy(sc, filter);
}
public List<SnapshotVO> listByVolumeIdVersion(Filter filter, long volumeId, String version ) {
SearchCriteria<SnapshotVO> sc = VolumeIdVersionSearch.create();
sc.setParameters("volumeId", volumeId);
sc.setParameters("version", version);
return listBy(sc, filter);
}
protected SnapshotDaoImpl() {
VolumeIdSearch = createSearchBuilder();
VolumeIdSearch.and("volumeId", VolumeIdSearch.entity().getVolumeId(), SearchCriteria.Op.EQ);
VolumeIdSearch.done();
HostIdSearch = createSearchBuilder();
HostIdSearch.and("hostId", HostIdSearch.entity().getSecHostId(), SearchCriteria.Op.EQ);
HostIdSearch.and("status", HostIdSearch.entity().getStatus(), SearchCriteria.Op.EQ);
HostIdSearch.done();
VolumeIdTypeSearch = createSearchBuilder();
VolumeIdTypeSearch.and("volumeId", VolumeIdTypeSearch.entity().getVolumeId(), SearchCriteria.Op.EQ);
VolumeIdTypeSearch.and("type", VolumeIdTypeSearch.entity().getsnapshotType(), SearchCriteria.Op.EQ);
VolumeIdTypeSearch.done();
VolumeIdVersionSearch = createSearchBuilder();
VolumeIdVersionSearch.and("volumeId", VolumeIdVersionSearch.entity().getVolumeId(), SearchCriteria.Op.EQ);
VolumeIdVersionSearch.and("version", VolumeIdVersionSearch.entity().getVersion(), SearchCriteria.Op.EQ);
VolumeIdVersionSearch.done();
ParentIdSearch = createSearchBuilder();
ParentIdSearch.and("prevSnapshotId", ParentIdSearch.entity().getPrevSnapshotId(), SearchCriteria.Op.EQ);
ParentIdSearch.done();
backupUuidSearch = createSearchBuilder();
backupUuidSearch.and("backupUuid", backupUuidSearch.entity().getBackupSnapshotId(), SearchCriteria.Op.EQ);
backupUuidSearch.done();
AccountIdSearch = createSearchBuilder();
AccountIdSearch.and("accountId", AccountIdSearch.entity().getAccountId(), SearchCriteria.Op.EQ);
AccountIdSearch.done();
StatusSearch = createSearchBuilder();
StatusSearch.and("volumeId", StatusSearch.entity().getVolumeId(), SearchCriteria.Op.EQ);
StatusSearch.and("status", StatusSearch.entity().getStatus(), SearchCriteria.Op.IN);
StatusSearch.done();
CountSnapshotsByAccount = createSearchBuilder(Long.class);
CountSnapshotsByAccount.select(null, Func.COUNT, null);
CountSnapshotsByAccount.and("account", CountSnapshotsByAccount.entity().getAccountId(), SearchCriteria.Op.EQ);
CountSnapshotsByAccount.and("removed", CountSnapshotsByAccount.entity().getRemoved(), SearchCriteria.Op.NULL);
CountSnapshotsByAccount.done();
InstanceIdSearch = createSearchBuilder();
InstanceIdSearch.and("status", InstanceIdSearch.entity().getStatus(), SearchCriteria.Op.IN);
SearchBuilder<VMInstanceVO> instanceSearch = _instanceDao.createSearchBuilder();
instanceSearch.and("instanceId", instanceSearch.entity().getId(), SearchCriteria.Op.EQ);
SearchBuilder<VolumeVO> volumeSearch = _volumeDao.createSearchBuilder();
volumeSearch.and("state", volumeSearch.entity().getState(), SearchCriteria.Op.EQ);
volumeSearch.join("instanceVolumes", instanceSearch, instanceSearch.entity().getId(), volumeSearch.entity().getInstanceId(), JoinType.INNER);
InstanceIdSearch.join("instanceSnapshots", volumeSearch, volumeSearch.entity().getId(), InstanceIdSearch.entity().getVolumeId(), JoinType.INNER);
InstanceIdSearch.done();
}
@Override
public Long getSecHostId(long volumeId) {
Transaction txn = Transaction.currentTxn();
PreparedStatement pstmt = null;
String sql = GET_SECHOST_ID;
try {
pstmt = txn.prepareAutoCloseStatement(sql);
pstmt.setLong(1, volumeId);
ResultSet rs = pstmt.executeQuery();
if (rs.next()) {
return rs.getLong(1);
}
} catch (Exception ex) {
}
return null;
}
@Override
public long getLastSnapshot(long volumeId, long snapId) {
Transaction txn = Transaction.currentTxn();
PreparedStatement pstmt = null;
String sql = GET_LAST_SNAPSHOT;
try {
pstmt = txn.prepareAutoCloseStatement(sql);
pstmt.setLong(1, volumeId);
pstmt.setLong(2, snapId);
ResultSet rs = pstmt.executeQuery();
if (rs.next()) {
return rs.getLong(1);
}
} catch (Exception ex) {
s_logger.error("error getting last snapshot", ex);
}
return 0;
}
@Override
public long updateSnapshotVersion(long volumeId, String from, String to) {
Transaction txn = Transaction.currentTxn();
PreparedStatement pstmt = null;
String sql = UPDATE_SNAPSHOT_VERSION;
try {
pstmt = txn.prepareAutoCloseStatement(sql);
pstmt.setString(1, to);
pstmt.setLong(2, volumeId);
pstmt.setString(3, from);
pstmt.executeUpdate();
return 1;
} catch (Exception ex) {
s_logger.error("error getting last snapshot", ex);
}
return 0;
}
@Override
public long updateSnapshotSecHost(long dcId, long secHostId) {
Transaction txn = Transaction.currentTxn();
PreparedStatement pstmt = null;
String sql = UPDATE_SECHOST_ID;
try {
pstmt = txn.prepareAutoCloseStatement(sql);
pstmt.setLong(1, secHostId);
pstmt.setLong(2, dcId);
pstmt.executeUpdate();
return 1;
} catch (Exception ex) {
s_logger.error("error set secondary storage host id", ex);
}
return 0;
}
@Override
public Long countSnapshotsForAccount(long accountId) {
SearchCriteria<Long> sc = CountSnapshotsByAccount.create();
sc.setParameters("account", accountId);
return customSearch(sc, null).get(0);
}
@Override
public List<SnapshotVO> listByInstanceId(long instanceId, Snapshot.Status... status) {
SearchCriteria<SnapshotVO> sc = this.InstanceIdSearch.create();
if (status != null && status.length != 0) {
sc.setParameters("status", (Object[])status);
}
sc.setJoinParameters("instanceSnapshots", "state", Volume.State.Ready);
sc.setJoinParameters("instanceVolumes", "instanceId", instanceId);
return listBy(sc, null);
}
@Override
public List<SnapshotVO> listByStatus(long volumeId, Snapshot.Status... status) {
SearchCriteria<SnapshotVO> sc = this.StatusSearch.create();
sc.setParameters("volumeId", volumeId);
sc.setParameters("status", (Object[])status);
return listBy(sc, null);
}
}