spark KafkaWrite 源码
spark KafkaWrite 代码
文件路径：/connector/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaWrite.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
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package org.apache.spark.sql.kafka010
import java.{util => ju}
import org.apache.spark.sql.connector.write.{BatchWrite, Write}
import org.apache.spark.sql.connector.write.streaming.StreamingWrite
import org.apache.spark.sql.types.StructType
case class KafkaWrite(
topic: Option[String],
producerParams: ju.Map[String, Object],
schema: StructType) extends Write {
override def description(): String = "Kafka"
override def toBatch: BatchWrite = {
assert(schema != null)
new KafkaBatchWrite(topic, producerParams, schema)
}
override def toStreaming: StreamingWrite = {
assert(schema != null)
new KafkaStreamingWrite(topic, producerParams, schema)
}
}
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