| /* |
| * 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.execution.datasources.v2 |
| |
| import scala.collection.JavaConverters._ |
| |
| import org.apache.hadoop.fs.Path |
| import org.apache.hadoop.io.compress.CompressionCodecFactory |
| |
| import org.apache.spark.sql.SparkSession |
| import org.apache.spark.sql.util.CaseInsensitiveStringMap |
| import org.apache.spark.util.Utils |
| |
| abstract class TextBasedFileScan( |
| sparkSession: SparkSession, |
| options: CaseInsensitiveStringMap) extends FileScan { |
| @transient private lazy val codecFactory: CompressionCodecFactory = new CompressionCodecFactory( |
| sparkSession.sessionState.newHadoopConfWithOptions(options.asScala.toMap)) |
| |
| override def isSplitable(path: Path): Boolean = Utils.isFileSplittable(path, codecFactory) |
| |
| override def getFileUnSplittableReason(path: Path): String = { |
| assert(!isSplitable(path)) |
| "the file is compressed by unsplittable compression codec" |
| } |
| } |