lang/scala/reef-examples-scala/src/main/scala/org/apache/reef/examples/hellospark/ReefOnSparkTask.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.reef.examples.hellospark

import javax.inject.Inject
import java.util.logging.Level
import java.util.logging.Logger

import org.apache.reef.task.Task

object ReefOnSparkTask {
  private val LOG: Logger = Logger.getLogger(classOf[ReefOnSparkTask].getName)
}

final class ReefOnSparkTask @Inject() extends Task {

  ReefOnSparkTask.LOG.log(Level.FINE, "Instantiated ReefOnSparkTask")

  override def call(bytes: Array[Byte]): Array[Byte] = {
    ReefOnSparkTask.LOG.log(Level.INFO, "Hello Spark!")
    null
  }
}