spark CachedKafkaProducer 源码
spark CachedKafkaProducer 代码
文件路径：/connector/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/producer/CachedKafkaProducer.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.
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package org.apache.spark.sql.kafka010.producer
import java.{util => ju}
import scala.util.control.NonFatal
import org.apache.kafka.clients.producer.KafkaProducer
import org.apache.spark.internal.Logging
private[kafka010] class CachedKafkaProducer(
val cacheKey: Seq[(String, Object)],
val producer: KafkaProducer[Array[Byte], Array[Byte]]) extends Logging {
val id: String = ju.UUID.randomUUID().toString
private[producer] def close(): Unit = {
try {
logInfo(s"Closing the KafkaProducer with id: $id.")
producer.close()
} catch {
case NonFatal(e) => logWarning("Error while closing kafka producer.", e)
}
}
}
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