ArafatKhan2198 commented on code in PR #7213: URL: https://github.com/apache/ozone/pull/7213#discussion_r1812964423
########## hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/upgrade/ReconLayoutVersionManager.java: ########## @@ -0,0 +1,146 @@ +/** + * 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.hadoop.ozone.recon.upgrade; + +import org.apache.hadoop.ozone.recon.ReconSchemaVersionTableManager; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Arrays; +import java.util.List; +import java.util.Optional; +import java.util.stream.Collectors; + +/** + * ReconLayoutVersionManager is responsible for managing the layout version of the Recon service. + * It determines the current Metadata Layout Version (MLV) and Software Layout Version (SLV) of the + * Recon service, and finalizes the layout features that need to be upgraded. + */ +public class ReconLayoutVersionManager { + + private static final Logger LOG = LoggerFactory.getLogger(ReconLayoutVersionManager.class); + + private final ReconSchemaVersionTableManager schemaVersionTableManager; + + // Metadata Layout Version (MLV) of the Recon Metadata on disk + private int currentMLV; + // Software Layout Version (SLV) of the Recon service + private final int currentSLV; + + public ReconLayoutVersionManager(ReconSchemaVersionTableManager schemaVersionTableManager) { + this.schemaVersionTableManager = schemaVersionTableManager; + this.currentMLV = determineMLV(); + this.currentSLV = determineSLV(); Review Comment: Removed the occurrence of SLV field -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
