apoorvmittal10 commented on code in PR #20852: URL: https://github.com/apache/kafka/pull/20852#discussion_r2514671038
########## core/src/main/java/kafka/server/NetworkPartitionMetadataClient.java: ########## @@ -0,0 +1,311 @@ +/* + * 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 kafka.server; + +import org.apache.kafka.clients.ClientResponse; +import org.apache.kafka.clients.CommonClientConfigs; +import org.apache.kafka.clients.KafkaClient; +import org.apache.kafka.common.IsolationLevel; +import org.apache.kafka.common.Node; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.message.ListOffsetsRequestData.ListOffsetsPartition; +import org.apache.kafka.common.message.ListOffsetsRequestData.ListOffsetsTopic; +import org.apache.kafka.common.message.ListOffsetsResponseData.ListOffsetsPartitionResponse; +import org.apache.kafka.common.message.ListOffsetsResponseData.ListOffsetsTopicResponse; +import org.apache.kafka.common.network.ListenerName; +import org.apache.kafka.common.protocol.Errors; +import org.apache.kafka.common.requests.ListOffsetsRequest; +import org.apache.kafka.common.requests.ListOffsetsResponse; +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.coordinator.group.metrics.PartitionMetadataClient; +import org.apache.kafka.metadata.MetadataCache; +import org.apache.kafka.server.util.InterBrokerSendThread; +import org.apache.kafka.server.util.RequestAndCompletionHandler; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.ConcurrentLinkedQueue; +import java.util.stream.Collectors; + +public class NetworkPartitionMetadataClient implements PartitionMetadataClient { + + private static final Logger log = LoggerFactory.getLogger(NetworkPartitionMetadataClient.class); + + private final MetadataCache metadataCache; + private final SendThread sendThread; + private final Time time; + private final ListenerName listenerName; + + public NetworkPartitionMetadataClient( + MetadataCache metadataCache, + KafkaClient networkClient, + Time time, + ListenerName listenerName + ) { + this.metadataCache = metadataCache; + this.time = time; + this.listenerName = listenerName; + this.sendThread = new SendThread( + "NetworkPartitionMetadataClientSendThread", + networkClient, + Math.toIntExact(CommonClientConfigs.DEFAULT_SOCKET_CONNECTION_SETUP_TIMEOUT_MAX_MS), //30 seconds + this.time + ); + this.sendThread.start(); Review Comment: Can we have the usgae of this class in the same PR? ########## group-coordinator/src/main/java/org/apache/kafka/coordinator/group/metrics/PartitionMetadataClient.java: ########## @@ -0,0 +1,39 @@ +/* + * 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.metrics; + +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.message.ListOffsetsResponseData; + +import java.util.Map; +import java.util.Set; +import java.util.concurrent.CompletableFuture; + +/** + * Client interface for retrieving latest offsets for topic partitions. + */ +public interface PartitionMetadataClient extends AutoCloseable { Review Comment: You shouldn't need this interface now as the other PR is merged. -- This is an automated message from the Apache Git Service. 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