DL1231 commented on code in PR #15067: URL: https://github.com/apache/kafka/pull/15067#discussion_r1667605626
########## group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupConfigManager.java: ########## @@ -0,0 +1,97 @@ +/* + * 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.coordinator.group; + +import org.apache.kafka.common.errors.InvalidRequestException; + +import java.util.Map; +import java.util.Optional; +import java.util.Properties; +import java.util.concurrent.ConcurrentHashMap; + +/** + * The group config manager is responsible for config modification and cleaning. + */ +public class GroupConfigManager implements AutoCloseable { + + private final GroupConfig defaultConfig; + + private final Map<String, GroupConfig> configMap; + + private static final Properties GROUP_CONFIG_BOUNDS = new Properties(); + + public GroupConfigManager( + Map<?, ?> defaultConfig, + int consumerGroupMinSessionTimeoutMs, + int consumerGroupMaxSessionTimeoutMs, + int consumerGroupMinHeartbeatIntervalMs, + int consumerGroupMaxHeartbeatIntervalMs + ) { + this.configMap = new ConcurrentHashMap<>(); + this.defaultConfig = new GroupConfig(defaultConfig); + GROUP_CONFIG_BOUNDS.put(GroupCoordinatorConfig.CONSUMER_GROUP_MIN_SESSION_TIMEOUT_MS_CONFIG, consumerGroupMinSessionTimeoutMs); + GROUP_CONFIG_BOUNDS.put(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_SESSION_TIMEOUT_MS_CONFIG, consumerGroupMaxSessionTimeoutMs); + GROUP_CONFIG_BOUNDS.put(GroupCoordinatorConfig.CONSUMER_GROUP_MIN_HEARTBEAT_INTERVAL_MS_CONFIG, consumerGroupMinHeartbeatIntervalMs); + GROUP_CONFIG_BOUNDS.put(GroupCoordinatorConfig.CONSUMER_GROUP_MAX_HEARTBEAT_INTERVAL_MS_CONFIG, consumerGroupMaxHeartbeatIntervalMs); + } + + /** + * Update the configuration of the provided group. + * + * @param groupId The group id. + * @param newGroupConfig The new group config. + */ + public void updateGroupConfig(String groupId, Properties newGroupConfig) { + if (null == groupId || groupId.isEmpty()) { + throw new InvalidRequestException("Group name can't be empty."); + } + + // Validate the configuration + validate(newGroupConfig, defaultConfig.originals()); + + final GroupConfig newConfig = GroupConfig.fromProps( + defaultConfig.originals(), + newGroupConfig + ); + configMap.put(groupId, newConfig); + } + + /** + * Get the group config if it exists, otherwise return None. + * + * @param groupId The group id. + * @return The group config. + */ + public Optional<GroupConfig> groupConfig(String groupId) { + return Optional.ofNullable(configMap.get(groupId)); + } + + public static void validate(Properties newGroupConfig, Map<?, ?> configuredProps) { Review Comment: Done. -- 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
