| /* |
| * 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.flink.playground.datagen.model; |
| |
| import java.time.format.DateTimeFormatter; |
| import java.util.Map; |
| import org.apache.kafka.common.serialization.Serializer; |
| |
| /** Serializes a {@link Transaction} into a CSV record. */ |
| public class TransactionSerializer implements Serializer<Transaction> { |
| |
| private static final DateTimeFormatter formatter = |
| DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); |
| |
| @Override |
| public void configure(Map<String, ?> map, boolean b) {} |
| |
| @Override |
| public byte[] serialize(String s, Transaction transaction) { |
| String csv = |
| String.format( |
| "%s, %s, %s", |
| transaction.accountId, transaction.amount, transaction.timestamp.format(formatter)); |
| |
| return csv.getBytes(); |
| } |
| |
| @Override |
| public void close() {} |
| } |