com.qiniu.stream.sql.mongo.MongoSourceProvider.scala Maven / Gradle / Ivy
/*
* 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
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package com.qiniu.stream.sql.mongo
import org.apache.spark.sql.sources.DataSourceRegister
import org.apache.spark.sql.sources.v2.writer.streaming.StreamWriter
import org.apache.spark.sql.sources.v2.{DataSourceOptions, StreamWriteSupport}
import org.apache.spark.sql.streaming.OutputMode
import org.apache.spark.sql.types.StructType
import scala.collection.JavaConverters._
class MongoSourceProvider extends StreamWriteSupport with DataSourceRegister{
override def createStreamWriter(queryId: String, schema: StructType,
mode: OutputMode, options: DataSourceOptions): StreamWriter = {
val optionMap = options.asMap().asScala.toMap
new MongoStreamWriter(schema, optionMap)
}
// short name 'mongo' is used for batch, chose a different name for streaming.
override def shortName(): String = "streaming-mongo"
}