com.simiacryptus.sparkbook.InteractiveSetup.scala Maven / Gradle / Ivy

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Literate Notebooks with EC2 and Spark

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/*
 * Copyright (c) 2019 by Andrew Charneski.
 *
 * The author 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 com.simiacryptus.sparkbook

import java.util.concurrent.TimeUnit

import com.fasterxml.jackson.databind.{MapperFeature, ObjectMapper, SerializationFeature}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.simiacryptus.lang.SerializableFunction
import com.simiacryptus.notebook.{JsonQuery, MarkdownNotebookOutput, NotebookOutput}
import com.simiacryptus.sparkbook.util.Java8Util._

trait InteractiveSetup[T] extends SerializableFunction[NotebookOutput, T] {
  final override def apply(log: NotebookOutput): T = {
    val value = new JsonQuery[InteractiveSetup[T]](log.asInstanceOf[MarkdownNotebookOutput]).setMapper({
      new ObjectMapper()
        .enable(SerializationFeature.INDENT_OUTPUT)
        .enable(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS)
        .enable(MapperFeature.USE_STD_BEAN_NAMING)
        .registerModule(DefaultScalaModule)
        .enableDefaultTyping()
    }).print(this).get(inputTimeoutSeconds, TimeUnit.SECONDS)
    Option(value).getOrElse(this).accept2(log)
  }

  def inputTimeoutSeconds = 60

  def accept2(l: NotebookOutput): T
}