seatunnel-connectors/seatunnel-connectors-spark/seatunnel-connector-spark-kafka/src/main/scala/org/apache/seatunnel/spark/kafka/sink/KafkaProducerUtil.scala

/*
 * 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.seatunnel.spark.kafka.sink

import java.util.Properties

import org.apache.kafka.clients.producer.{KafkaProducer, ProducerRecord}

class KafkaProducerUtil(createProducer: () => KafkaProducer[String, String]) extends Serializable {

  lazy val producer: KafkaProducer[String, String] = createProducer()

  def send(topic: String, value: String): Unit =
    producer.send(new ProducerRecord(topic, value))
}

object KafkaProducerUtil {
  def apply(config: Properties): KafkaProducerUtil = {
    val f = () => {
      val producer = new KafkaProducer[String, String](config)

      sys.addShutdownHook {
        producer.close()
      }

      producer
    }
    new KafkaProducerUtil(f)
  }
}