| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.om.response.volume; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.ozone.om.OMMetadataManager; |
| import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs; |
| import org.apache.hadoop.ozone.om.response.OMClientResponse; |
| |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos |
| .UserVolumeInfo; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos |
| .OMResponse; |
| import org.apache.hadoop.hdds.utils.db.BatchOperation; |
| |
| import javax.annotation.Nonnull; |
| |
| /** |
| * Response for set owner request. |
| */ |
| public class OMVolumeSetOwnerResponse extends OMClientResponse { |
| |
| private String oldOwner; |
| private UserVolumeInfo oldOwnerVolumeList; |
| private UserVolumeInfo newOwnerVolumeList; |
| private OmVolumeArgs newOwnerVolumeArgs; |
| |
| public OMVolumeSetOwnerResponse(@Nonnull OMResponse omResponse, |
| @Nonnull String oldOwner, @Nonnull UserVolumeInfo oldOwnerVolumeList, |
| @Nonnull UserVolumeInfo newOwnerVolumeList, |
| @Nonnull OmVolumeArgs newOwnerVolumeArgs) { |
| super(omResponse); |
| this.oldOwner = oldOwner; |
| this.oldOwnerVolumeList = oldOwnerVolumeList; |
| this.newOwnerVolumeList = newOwnerVolumeList; |
| this.newOwnerVolumeArgs = newOwnerVolumeArgs; |
| } |
| |
| /** |
| * For when the request is not successful or it is a replay transaction. |
| * Or when newOwner is the same as oldOwner. |
| * For other successful requests, the other constructor should be used. |
| */ |
| public OMVolumeSetOwnerResponse(@Nonnull OMResponse omResponse) { |
| super(omResponse); |
| // When newOwner is the same as oldOwner, status is OK but success is false. |
| // We want to bypass the check in this case. |
| if (omResponse.getSuccess()) { |
| checkStatusNotOK(); |
| } |
| } |
| |
| @Override |
| public void checkAndUpdateDB(OMMetadataManager omMetadataManager, |
| BatchOperation batchOperation) throws IOException { |
| // When newOwner is the same as oldOwner, status is OK but success is false. |
| // We don't want to add it to DB batch in this case. |
| if (getOMResponse().getStatus() == OzoneManagerProtocolProtos.Status.OK && |
| getOMResponse().getSuccess()) { |
| addToDBBatch(omMetadataManager, batchOperation); |
| } |
| } |
| |
| @Override |
| protected void addToDBBatch(OMMetadataManager omMetadataManager, |
| BatchOperation batchOperation) throws IOException { |
| |
| String oldOwnerKey = omMetadataManager.getUserKey(oldOwner); |
| String newOwnerKey = |
| omMetadataManager.getUserKey(newOwnerVolumeArgs.getOwnerName()); |
| if (oldOwnerVolumeList.getVolumeNamesList().size() == 0) { |
| omMetadataManager.getUserTable().deleteWithBatch(batchOperation, |
| oldOwnerKey); |
| } else { |
| omMetadataManager.getUserTable().putWithBatch(batchOperation, |
| oldOwnerKey, oldOwnerVolumeList); |
| } |
| omMetadataManager.getUserTable().putWithBatch(batchOperation, newOwnerKey, |
| newOwnerVolumeList); |
| |
| String dbVolumeKey = |
| omMetadataManager.getVolumeKey(newOwnerVolumeArgs.getVolume()); |
| omMetadataManager.getVolumeTable().putWithBatch(batchOperation, |
| dbVolumeKey, newOwnerVolumeArgs); |
| } |
| } |