chia7712 commented on code in PR #21038: URL: https://github.com/apache/kafka/pull/21038#discussion_r2580343498
########## clients/src/main/java/org/apache/kafka/clients/consumer/internals/AsyncKafkaConsumer.java.orig: ########## @@ -0,0 +1,2368 @@ +/* + * 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.clients.consumer.internals; + +import org.apache.kafka.clients.ApiVersions; +import org.apache.kafka.clients.ClientUtils; +import org.apache.kafka.clients.CommonClientConfigs; +import org.apache.kafka.clients.GroupRebalanceConfig; +import org.apache.kafka.clients.KafkaClient; +import org.apache.kafka.clients.consumer.CloseOptions; +import org.apache.kafka.clients.consumer.Consumer; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.consumer.ConsumerGroupMetadata; +import org.apache.kafka.clients.consumer.ConsumerInterceptor; +import org.apache.kafka.clients.consumer.ConsumerRebalanceListener; +import org.apache.kafka.clients.consumer.ConsumerRecords; +import org.apache.kafka.clients.consumer.GroupProtocol; +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.clients.consumer.NoOffsetForPartitionException; +import org.apache.kafka.clients.consumer.OffsetAndMetadata; +import org.apache.kafka.clients.consumer.OffsetAndTimestamp; +import org.apache.kafka.clients.consumer.OffsetCommitCallback; +import org.apache.kafka.clients.consumer.SubscriptionPattern; +import org.apache.kafka.clients.consumer.internals.events.AllTopicsMetadataEvent; +import org.apache.kafka.clients.consumer.internals.events.ApplicationEvent; +import org.apache.kafka.clients.consumer.internals.events.ApplicationEventHandler; +import org.apache.kafka.clients.consumer.internals.events.ApplicationEventProcessor; +import org.apache.kafka.clients.consumer.internals.events.AssignmentChangeEvent; +import org.apache.kafka.clients.consumer.internals.events.AsyncCommitEvent; +import org.apache.kafka.clients.consumer.internals.events.AsyncPollEvent; +import org.apache.kafka.clients.consumer.internals.events.BackgroundEvent; +import org.apache.kafka.clients.consumer.internals.events.BackgroundEventHandler; +import org.apache.kafka.clients.consumer.internals.events.CheckAndUpdatePositionsEvent; +import org.apache.kafka.clients.consumer.internals.events.CommitEvent; +import org.apache.kafka.clients.consumer.internals.events.CommitOnCloseEvent; +import org.apache.kafka.clients.consumer.internals.events.CompletableApplicationEvent; +import org.apache.kafka.clients.consumer.internals.events.CompletableEvent; +import org.apache.kafka.clients.consumer.internals.events.CompletableEventReaper; +import org.apache.kafka.clients.consumer.internals.events.ConsumerRebalanceListenerCallbackCompletedEvent; +import org.apache.kafka.clients.consumer.internals.events.ConsumerRebalanceListenerCallbackNeededEvent; +import org.apache.kafka.clients.consumer.internals.events.CreateFetchRequestsEvent; +import org.apache.kafka.clients.consumer.internals.events.CurrentLagEvent; +import org.apache.kafka.clients.consumer.internals.events.ErrorEvent; +import org.apache.kafka.clients.consumer.internals.events.EventProcessor; +import org.apache.kafka.clients.consumer.internals.events.FetchCommittedOffsetsEvent; +import org.apache.kafka.clients.consumer.internals.events.LeaveGroupOnCloseEvent; +import org.apache.kafka.clients.consumer.internals.events.ListOffsetsEvent; +import org.apache.kafka.clients.consumer.internals.events.PausePartitionsEvent; +import org.apache.kafka.clients.consumer.internals.events.ResetOffsetEvent; +import org.apache.kafka.clients.consumer.internals.events.ResumePartitionsEvent; +import org.apache.kafka.clients.consumer.internals.events.SeekUnvalidatedEvent; +import org.apache.kafka.clients.consumer.internals.events.StopFindCoordinatorOnCloseEvent; +import org.apache.kafka.clients.consumer.internals.events.StreamsOnAllTasksLostCallbackCompletedEvent; +import org.apache.kafka.clients.consumer.internals.events.StreamsOnAllTasksLostCallbackNeededEvent; +import org.apache.kafka.clients.consumer.internals.events.StreamsOnTasksAssignedCallbackCompletedEvent; +import org.apache.kafka.clients.consumer.internals.events.StreamsOnTasksAssignedCallbackNeededEvent; +import org.apache.kafka.clients.consumer.internals.events.StreamsOnTasksRevokedCallbackCompletedEvent; +import org.apache.kafka.clients.consumer.internals.events.StreamsOnTasksRevokedCallbackNeededEvent; +import org.apache.kafka.clients.consumer.internals.events.SyncCommitEvent; +import org.apache.kafka.clients.consumer.internals.events.TopicMetadataEvent; +import org.apache.kafka.clients.consumer.internals.events.TopicPatternSubscriptionChangeEvent; +import org.apache.kafka.clients.consumer.internals.events.TopicRe2JPatternSubscriptionChangeEvent; +import org.apache.kafka.clients.consumer.internals.events.TopicSubscriptionChangeEvent; +import org.apache.kafka.clients.consumer.internals.events.UnsubscribeEvent; +import org.apache.kafka.clients.consumer.internals.events.UpdatePatternSubscriptionEvent; +import org.apache.kafka.clients.consumer.internals.metrics.AsyncConsumerMetrics; +import org.apache.kafka.clients.consumer.internals.metrics.KafkaConsumerMetrics; +import org.apache.kafka.clients.consumer.internals.metrics.RebalanceCallbackMetricsManager; +import org.apache.kafka.common.Cluster; +import org.apache.kafka.common.IsolationLevel; +import org.apache.kafka.common.KafkaException; +import org.apache.kafka.common.Metric; +import org.apache.kafka.common.MetricName; +import org.apache.kafka.common.PartitionInfo; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.Uuid; +import org.apache.kafka.common.errors.AuthenticationException; +import org.apache.kafka.common.errors.GroupAuthorizationException; +import org.apache.kafka.common.errors.InterruptException; +import org.apache.kafka.common.errors.InvalidGroupIdException; +import org.apache.kafka.common.errors.TimeoutException; +import org.apache.kafka.common.errors.TopicAuthorizationException; +import org.apache.kafka.common.errors.WakeupException; +import org.apache.kafka.common.internals.ClusterResourceListeners; +import org.apache.kafka.common.metrics.KafkaMetric; +import org.apache.kafka.common.metrics.Metrics; +import org.apache.kafka.common.metrics.MetricsReporter; +import org.apache.kafka.common.requests.JoinGroupRequest; +import org.apache.kafka.common.requests.ListOffsetsRequest; +import org.apache.kafka.common.serialization.Deserializer; +import org.apache.kafka.common.telemetry.internals.ClientTelemetryReporter; +import org.apache.kafka.common.telemetry.internals.ClientTelemetryUtils; +import org.apache.kafka.common.utils.AppInfoParser; +import org.apache.kafka.common.utils.LogContext; +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.common.utils.Timer; + +import org.slf4j.Logger; +import org.slf4j.event.Level; + +import java.net.InetSocketAddress; +import java.time.Duration; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.ConcurrentModificationException; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.Optional; +import java.util.OptionalLong; +import java.util.Set; +import java.util.SortedSet; +import java.util.TreeSet; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.Future; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.concurrent.atomic.AtomicLong; +import java.util.concurrent.atomic.AtomicReference; +import java.util.function.Function; +import java.util.function.Predicate; +import java.util.function.Supplier; +import java.util.regex.Pattern; +import java.util.stream.Collectors; + +import static java.util.Objects.requireNonNull; +import static org.apache.kafka.clients.consumer.internals.AbstractMembershipManager.TOPIC_PARTITION_COMPARATOR; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.CONSUMER_JMX_PREFIX; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.CONSUMER_METRIC_GROUP; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.DEFAULT_CLOSE_TIMEOUT_MS; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.THROW_ON_FETCH_STABLE_OFFSET_UNSUPPORTED; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.configuredConsumerInterceptors; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.createFetchMetricsManager; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.createLogContext; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.createMetrics; +import static org.apache.kafka.clients.consumer.internals.ConsumerUtils.createSubscriptionState; +import static org.apache.kafka.clients.consumer.internals.events.CompletableEvent.calculateDeadlineMs; +import static org.apache.kafka.common.utils.Utils.closeQuietly; +import static org.apache.kafka.common.utils.Utils.isBlank; +import static org.apache.kafka.common.utils.Utils.swallow; + +/** + * This {@link Consumer} implementation uses an {@link ApplicationEventHandler event handler} to process + * {@link ApplicationEvent application events} so that the network I/O can be processed in a dedicated + * {@link ConsumerNetworkThread network thread}. Visit + * <a href="https://cwiki.apache.org/confluence/display/KAFKA/Consumer+threading+refactor+design";>this document</a> + * for implementation detail. + * + * <p/> + * + * <em>Note:</em> this {@link Consumer} implementation is part of the revised consumer group protocol from KIP-848. + * This class should not be invoked directly; users should instead create a {@link KafkaConsumer} as before. + * This consumer implements the new consumer group protocol and is intended to be the default in coming releases. + */ +public class AsyncKafkaConsumer<K, V> implements ConsumerDelegate<K, V> { Review Comment: I assume this file was included by mistake 😄 -- 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]
