spark ProtobufOptions 源码
spark ProtobufOptions 代码
文件路径：/connector/protobuf/src/main/scala/org/apache/spark/sql/protobuf/utils/ProtobufOptions.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.spark.sql.protobuf.utils
import org.apache.hadoop.conf.Configuration
import org.apache.spark.internal.Logging
import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.catalyst.FileSourceOptions
import org.apache.spark.sql.catalyst.util.{CaseInsensitiveMap, FailFastMode, ParseMode}
/**
* Options for Protobuf Reader and Writer stored in case insensitive manner.
*/
private[sql] class ProtobufOptions(
@transient val parameters: CaseInsensitiveMap[String],
@transient val conf: Configuration)
extends FileSourceOptions(parameters)
with Logging {
def this(parameters: Map[String, String], conf: Configuration) = {
this(CaseInsensitiveMap(parameters), conf)
}
val parseMode: ParseMode =
parameters.get("mode").map(ParseMode.fromString).getOrElse(FailFastMode)
}
private[sql] object ProtobufOptions {
def apply(parameters: Map[String, String]): ProtobufOptions = {
val hadoopConf = SparkSession.getActiveSession
.map(_.sessionState.newHadoopConf())
.getOrElse(new Configuration())
new ProtobufOptions(CaseInsensitiveMap(parameters), hadoopConf)
}
}
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