captainzmc commented on a change in pull request #1150: URL: https://github.com/apache/hadoop-ozone/pull/1150#discussion_r448730306
########## File path: hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/key/OMKeysRenameRequest.java ########## @@ -0,0 +1,289 @@ +/** + * 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.request.key; + +import com.google.common.base.Preconditions; +import org.apache.hadoop.ozone.OzoneConsts; +import org.apache.hadoop.ozone.audit.AuditLogger; +import org.apache.hadoop.ozone.audit.OMAction; +import org.apache.hadoop.ozone.om.OMMetadataManager; +import org.apache.hadoop.ozone.om.OMMetrics; +import org.apache.hadoop.ozone.om.OmRenameKeyInfo; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.exceptions.OMException; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerDoubleBufferHelper; +import org.apache.hadoop.ozone.om.request.util.OmResponseUtil; +import org.apache.hadoop.ozone.om.response.OMClientResponse; +import org.apache.hadoop.ozone.om.response.key.OMKeyDeleteResponse; +import org.apache.hadoop.ozone.om.response.key.OMKeysRenameResponse; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.KeyArgs; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMRequest; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.RenameKeyRequest; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.RenameKeysRequest; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.RenameKeysResponse; +import org.apache.hadoop.ozone.security.acl.IAccessAuthorizer; +import org.apache.hadoop.ozone.security.acl.OzoneObj; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import static org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes.KEY_NOT_FOUND; + +/** + * Handles rename keys request. + */ +public class OMKeysRenameRequest extends OMKeyRequest { + + private static final Logger LOG = + LoggerFactory.getLogger(OMKeysRenameRequest.class); + + public OMKeysRenameRequest(OMRequest omRequest) { + super(omRequest); + } + + /** + * Stores the result of request execution for Rename Requests. + */ + private enum Result { + SUCCESS, + DELETE_FROM_KEY_ONLY, + REPLAY, + FAILURE, + } + + @Override + public OMRequest preExecute(OzoneManager ozoneManager) throws IOException { + + RenameKeysRequest renameKeysRequest = getOmRequest().getRenameKeysRequest(); + Preconditions.checkNotNull(renameKeysRequest); + + return getOmRequest().toBuilder() + .setRenameKeysRequest(renameKeysRequest.toBuilder()) + .setUserInfo(getUserInfo()).build(); + + } + + @Override + @SuppressWarnings("methodlength") + public OMClientResponse validateAndUpdateCache(OzoneManager ozoneManager, + long trxnLogIndex, OzoneManagerDoubleBufferHelper omDoubleBufferHelper) { + + RenameKeysRequest renameKeysRequest = getOmRequest().getRenameKeysRequest(); + OMClientResponse omClientResponse = null; + Set<OmKeyInfo> unRenamedKeys = new HashSet<>(); + List<OmRenameKeyInfo> renameKeyInfoList = new ArrayList<>(); + + OMMetrics omMetrics = ozoneManager.getMetrics(); + omMetrics.incNumKeyRenames(); + + AuditLogger auditLogger = ozoneManager.getAuditLogger(); + + + OMResponse.Builder omResponse = OmResponseUtil.getOMResponseBuilder( + getOmRequest()); + + OMMetadataManager omMetadataManager = ozoneManager.getMetadataManager(); + IOException exception = null; + OmKeyInfo fromKeyValue = null; + + Result result = null; + Map<String, String> auditMap = null; + RenameKeyRequest renameRequest = null; + String toKey = null; + String fromKey = null; + String volumeName = null; + String bucketName = null; + String fromKeyName = null; + String toKeyName = null; + try { + for (RenameKeyRequest renameKeyRequest : renameKeysRequest + .getRenameKeyRequestList()) { + OzoneManagerProtocolProtos.KeyArgs renameKeyArgs = + renameKeyRequest.getKeyArgs(); + volumeName = renameKeyArgs.getVolumeName(); + bucketName = renameKeyArgs.getBucketName(); + fromKeyName = renameKeyArgs.getKeyName(); + String objectKey = omMetadataManager.getOzoneKey(volumeName, bucketName, + fromKeyName); + OmKeyInfo omKeyInfo = omMetadataManager.getKeyTable().get(objectKey); + unRenamedKeys.add(omKeyInfo); Review comment: Although we have put the list of unDeletedKeys and unRenamedKeys into the response. Currently, renameKeys and DeleteKeys in OzoneBucket.java and ClientProtocol.java are still void. I had added TODO to the OMClientRequest and created a jira(HDDS-3916), and I'll change those separately. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
