streaming.dsl.mmlib.algs.includes.HDFSIncludeSource.scala Maven / Gradle / Ivy

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/*
 * 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 streaming.dsl.mmlib.algs.includes

import org.apache.spark.sql.SparkSession
import streaming.dsl.IncludeSource

/**
  * Created by allwefantasy on 27/8/2018.
  */
class HDFSIncludeSource extends IncludeSource {
  override def fetchSource(sparkSession: SparkSession, path: String, options: Map[String, String]): String = {
    sparkSession.sparkContext.textFile(path, 1).collect().mkString("\n")
  }

  override def skipPathPrefix: Boolean = false
}