clolov commented on code in PR #13514: URL: https://github.com/apache/kafka/pull/13514#discussion_r1170144013
########## examples/src/main/java/kafka/examples/Utils.java: ########## @@ -0,0 +1,106 @@ +/* + * 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.examples; + +import org.apache.kafka.clients.admin.Admin; +import org.apache.kafka.clients.admin.AdminClientConfig; +import org.apache.kafka.clients.admin.NewTopic; +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.clients.producer.RecordMetadata; +import org.apache.kafka.common.errors.TopicExistsException; +import org.apache.kafka.common.errors.UnknownTopicOrPartitionException; + +import java.util.Arrays; +import java.util.List; +import java.util.Properties; +import java.util.UUID; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +import static java.lang.String.format; + +public class Utils { + private Utils() { + } + + public static void printHelp(String message, Object... args) { + System.out.println(format(message, args)); + } + + public static void printOut(String message, Object... args) { + System.out.printf("%s - %s%n", Thread.currentThread().getName(), format(message, args)); + } + + public static void printErr(String message, Object... args) { + System.err.printf("%s - %s%n", Thread.currentThread().getName(), format(message, args)); + } + + public static void maybePrintRecord(long numRecords, ConsumerRecord<Integer, String> record) { + maybePrintRecord(numRecords, record.key(), record.value(), record.topic(), record.partition(), record.offset()); + } + + public static void maybePrintRecord(long numRecords, int key, String value, RecordMetadata metadata) { + maybePrintRecord(numRecords, key, value, metadata.topic(), metadata.partition(), metadata.offset()); + } + + private static void maybePrintRecord(long numRecords, int key, String value, String topic, int partition, long offset) { + // we only print 10 records when there are 20 or more to send Review Comment: Ah, yes, my bad, I had to put pen to paper to figure out that this does indeed only start printing 10 once we go higher than 20. -- 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
