wangxianghu commented on a change in pull request #1886: URL: https://github.com/apache/hudi/pull/1886#discussion_r471314347
########## File path: hudi-client/src/main/java/org/apache/hudi/callback/util/HoodieWriteCommitCallbackUtil.java ########## @@ -0,0 +1,44 @@ +/* + * 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.hudi.callback.util; + +import org.apache.hudi.exception.HoodieCommitCallbackException; + +import org.codehaus.jackson.map.ObjectMapper; + +import java.io.IOException; + +/** + * Util helps to prepare callback message. + */ +public class HoodieWriteCommitCallbackUtil { + + /** + * Convert data to json string format. + */ + public static String convertToJsonString(Object obj) { + // convert to json + ObjectMapper mapper = new ObjectMapper(); Review comment: done ########## File path: hudi-utilities/src/main/java/org/apache/hudi/utilities/callback/kafka/HoodieWriteCommitKafkaCallback.java ########## @@ -0,0 +1,145 @@ +/* + * 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.hudi.utilities.callback.kafka; + +import org.apache.hudi.callback.HoodieWriteCommitCallback; +import org.apache.hudi.callback.common.HoodieWriteCommitCallbackMessage; +import org.apache.hudi.callback.util.HoodieWriteCommitCallbackUtil; +import org.apache.hudi.common.util.StringUtils; +import org.apache.hudi.common.util.ValidationUtils; +import org.apache.hudi.config.HoodieWriteConfig; + +import org.apache.kafka.clients.producer.Callback; +import org.apache.kafka.clients.producer.KafkaProducer; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.clients.producer.RecordMetadata; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; + +import java.util.Properties; + +import static org.apache.hudi.config.HoodieWriteConfig.TABLE_NAME; +import static org.apache.hudi.utilities.callback.kafka.HoodieWriteCommitKafkaCallbackConfig.CALLBACK_KAFKA_ACKS; +import static org.apache.hudi.utilities.callback.kafka.HoodieWriteCommitKafkaCallbackConfig.CALLBACK_KAFKA_BOOTSTRAP_SERVERS; +import static org.apache.hudi.utilities.callback.kafka.HoodieWriteCommitKafkaCallbackConfig.CALLBACK_KAFKA_PARTITION; +import static org.apache.hudi.utilities.callback.kafka.HoodieWriteCommitKafkaCallbackConfig.CALLBACK_KAFKA_RETRIES; +import static org.apache.hudi.utilities.callback.kafka.HoodieWriteCommitKafkaCallbackConfig.CALLBACK_KAFKA_TOPIC; + +/** + * Kafka implementation of {@link HoodieWriteCommitCallback}. + */ +public class HoodieWriteCommitKafkaCallback implements HoodieWriteCommitCallback { + + private static final Logger LOG = LogManager.getLogger(HoodieWriteCommitKafkaCallback.class); + + private Properties props; + private String bootstrapServers; + private String topic; + + public HoodieWriteCommitKafkaCallback(HoodieWriteConfig config) { + this.props = config.getProps(); + this.bootstrapServers = props.getProperty(CALLBACK_KAFKA_BOOTSTRAP_SERVERS); + this.topic = props.getProperty(CALLBACK_KAFKA_TOPIC); + validateKafkaConfig(); + } + + @Override + public void call(HoodieWriteCommitCallbackMessage callbackMessage) { + String callbackMsg = HoodieWriteCommitCallbackUtil.convertToJsonString(callbackMessage); + try (KafkaProducer<String, String> producer = createProducer(props)) { + ProducerRecord<String, String> record = buildProducerRecord(props, callbackMsg); + producer.send(record); + LOG.info(String.format("Send callback message %s succeed", callbackMsg)); + } catch (Exception e) { + LOG.error("Send kafka callback msg failed : " + e); Review comment: done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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