healchow commented on code in PR #5512: URL: https://github.com/apache/inlong/pull/5512#discussion_r944317301
########## inlong-sdk/sort-sdk/src/main/java/org/apache/inlong/sdk/sort/manager/InlongSingleTopicManager.java: ########## @@ -0,0 +1,495 @@ +/* + * 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.inlong.sdk.sort.manager; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Date; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.TimeUnit; +import org.apache.inlong.sdk.sort.api.ClientContext; +import org.apache.inlong.sdk.sort.api.InLongTopicFetcher; +import org.apache.inlong.sdk.sort.api.InlongTopicManager; +import org.apache.inlong.sdk.sort.api.InlongTopicTypeEnum; +import org.apache.inlong.sdk.sort.api.QueryConsumeConfig; +import org.apache.inlong.sdk.sort.entity.ConsumeConfig; +import org.apache.inlong.sdk.sort.entity.InLongTopic; +import org.apache.inlong.sdk.sort.impl.kafka.InLongKafkaFetcherImpl; +import org.apache.inlong.sdk.sort.impl.pulsar.InLongPulsarFetcherImpl; +import org.apache.inlong.sdk.sort.impl.tube.InLongTubeFetcherImpl; +import org.apache.inlong.sdk.sort.impl.tube.TubeConsumerCreater; +import org.apache.inlong.sdk.sort.util.PeriodicTask; +import org.apache.inlong.sdk.sort.util.StringUtil; +import org.apache.inlong.tubemq.client.config.TubeClientConfig; +import org.apache.inlong.tubemq.client.factory.MessageSessionFactory; +import org.apache.inlong.tubemq.client.factory.TubeSingleSessionFactory; +import org.apache.pulsar.client.api.AuthenticationFactory; +import org.apache.pulsar.client.api.PulsarClient; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Inlong manager that maintain the single topic fetchers. + * It is suitable to the cases that each topic has its own configurations. + * And each consumer only consume the very one topic. + */ +public class InlongSingleTopicManager extends InlongTopicManager { + + private static final Logger LOGGER = LoggerFactory.getLogger(InlongSingleTopicManager.class); + + private final ConcurrentHashMap<String, InLongTopicFetcher> fetchers = new ConcurrentHashMap<>(); + private final ConcurrentHashMap<String, PulsarClient> pulsarClients = new ConcurrentHashMap<>(); + private final ConcurrentHashMap<String, TubeConsumerCreater> tubeFactories = new ConcurrentHashMap<>(); + + private final PeriodicTask updateMetaDataWorker; + private volatile List<String> toBeSelectFetchers = new ArrayList<>(); + private boolean stopAssign = false; + + public InlongSingleTopicManager(ClientContext context, QueryConsumeConfig queryConsumeConfig) { + super(context, queryConsumeConfig); + updateMetaDataWorker = new UpdateMetaDataThread(context.getConfig().getUpdateMetaDataIntervalSec(), + TimeUnit.SECONDS); + String threadName = "sortsdk_inlongtopic_manager_" + context.getConfig().getSortTaskId() + + "_" + StringUtil.formatDate(new Date(), "yyyy-MM-dd HH:mm:ss"); + updateMetaDataWorker.start(threadName); + } + + private void updateToBeSelectFetchers(Collection<String> c) { + toBeSelectFetchers = new ArrayList<>(c); + } + + private boolean initFetcher(InLongTopicFetcher fetcher, InLongTopic inLongTopic) { + if (InlongTopicTypeEnum.PULSAR.getName().equalsIgnoreCase(inLongTopic.getTopicType())) { + LOGGER.info("create fetcher topic is pulsar {}", inLongTopic); + return fetcher.init(pulsarClients.get(inLongTopic.getInLongCluster().getClusterId())); + } else if (InlongTopicTypeEnum.KAFKA.getName().equalsIgnoreCase(inLongTopic.getTopicType())) { + LOGGER.info("create fetcher topic is kafka {}", inLongTopic); + return fetcher.init(inLongTopic.getInLongCluster().getBootstraps()); + } else if (InlongTopicTypeEnum.TUBE.getName().equalsIgnoreCase(inLongTopic.getTopicType())) { + LOGGER.info("create fetcher topic is tube {}", inLongTopic); + return fetcher.init(tubeFactories.get(inLongTopic.getInLongCluster().getClusterId())); + } else { + LOGGER.error("create fetcher topic type not support " + inLongTopic.getTopicType()); + return false; + } + } + + @Override + public InLongTopicFetcher addFetcher(InLongTopic inLongTopic) { + + try { + InLongTopicFetcher result = fetchers.get(inLongTopic.getTopicKey()); + if (result == null) { + // create fetcher (pulsar,tube,kafka) + InLongTopicFetcher inLongTopicFetcher = createInLongTopicFetcher(inLongTopic); + InLongTopicFetcher preValue = fetchers.putIfAbsent(inLongTopic.getTopicKey(), inLongTopicFetcher); + LOGGER.info("addFetcher :{}", inLongTopic.getTopicKey()); + if (preValue != null) { + result = preValue; + if (inLongTopicFetcher != null) { + inLongTopicFetcher.close(); + } + LOGGER.info("addFetcher create same fetcher {}", inLongTopic); + } else { + result = inLongTopicFetcher; + if (result != null + && !initFetcher(result, inLongTopic)) { Review Comment: Those two lines can be merged into one line. -- This is an automated message from the Apache Git Service. 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