junrao commented on code in PR #19293: URL: https://github.com/apache/kafka/pull/19293#discussion_r2038441012
########## server-common/src/main/java/org/apache/kafka/server/common/ShareVersion.java: ########## @@ -0,0 +1,82 @@ +/* + * 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.kafka.server.common; + +import java.util.Map; + +public enum ShareVersion implements FeatureVersion { + + // Version 0 does not enable share groups. + SV_0(0, MetadataVersion.MINIMUM_VERSION, Map.of()), + + // Version 1 enables share groups (KIP-932). + // This is a preview in 4.1, and production-ready in 4.2. + SV_1(1, MetadataVersion.IBP_4_2_IV0, Map.of(MetadataVersion.FEATURE_NAME, MetadataVersion.IBP_4_1_IV1.featureLevel())); + + public static final String FEATURE_NAME = "share.version"; + + public static final ShareVersion LATEST_PRODUCTION = SV_0; + + private final short featureLevel; + private final MetadataVersion bootstrapMetadataVersion; + private final Map<String, Short> dependencies; + + ShareVersion( + int featureLevel, + MetadataVersion bootstrapMetadataVersion, + Map<String, Short> dependencies + ) { + this.featureLevel = (short) featureLevel; + this.bootstrapMetadataVersion = bootstrapMetadataVersion; + this.dependencies = dependencies; + } + + @Override + public short featureLevel() { + return featureLevel; + } + + @Override + public String featureName() { + return FEATURE_NAME; + } + + @Override + public MetadataVersion bootstrapMetadataVersion() { + return bootstrapMetadataVersion; + } + + @Override + public Map<String, Short> dependencies() { + return dependencies; + } + + public boolean supportsShareGroups() { Review Comment: This method is unused. Do you plan to use it in the future? -- 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: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org