org.apache.iotdb.spark.tsfile.TsFileWriterFactory.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 org.apache.iotdb.spark.tsfile

import org.apache.hadoop.mapreduce.TaskAttemptContext
import org.apache.spark.sql.execution.datasources.{OutputWriter, OutputWriterFactory}
import org.apache.spark.sql.types.StructType

private[tsfile] class TsFileWriterFactory(options: Map[String, String]) extends OutputWriterFactory {

  override def newInstance(
                            path: String,
                            dataSchema: StructType,
                            context: TaskAttemptContext): OutputWriter = {
    if (options.getOrElse(DefaultSource.isNarrowForm, "").equals("narrow_form")) {
      new NarrowTsFileOutputWriter(path, dataSchema, options, context)
    } else {
      new WideTsFileOutputWriter(path, dataSchema, options, context)
    }
  }

  override def getFileExtension(context: TaskAttemptContext): String = {
    null
  }
}