| /* |
| * 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 org.apache.reef.driver.evaluator.AllocatedEvaluator |
| import org.apache.reef.driver.evaluator.EvaluatorRequestor |
| import org.apache.reef.driver.task.TaskConfiguration |
| import org.apache.reef.tang.Configuration |
| import org.apache.reef.tang.annotations.Unit |
| import org.apache.reef.wake.EventHandler |
| import org.apache.reef.wake.time.event.StartTime |
| |
| import javax.inject.Inject |
| import java.util.logging.Level |
| import java.util.logging.Logger |
| |
| object ReefOnSparkDriver { |
| private val LOG: Logger = Logger.getLogger(classOf[ReefOnSparkDriver].getName) |
| } |
| |
| @Unit |
| final class ReefOnSparkDriver @Inject private(val requestor: EvaluatorRequestor) { |
| |
| ReefOnSparkDriver.LOG.log(Level.FINE, "Instantiated ReefOnSparkDriver") |
| |
| final class StartHandler extends EventHandler[StartTime] { |
| def onNext(startTime: StartTime) { |
| |
| ReefOnSparkDriver.LOG.log(Level.INFO, "Start ReefOnSparkDriver: {0}", startTime) |
| |
| requestor.newRequest |
| .setNumber(1) |
| .setMemory(64) |
| .setNumberOfCores(1) |
| .submit() |
| |
| ReefOnSparkDriver.LOG.log(Level.INFO, "Requested Evaluator.") |
| } |
| } |
| |
| final class EvaluatorAllocatedHandler extends EventHandler[AllocatedEvaluator] { |
| def onNext(allocatedEvaluator: AllocatedEvaluator) { |
| |
| ReefOnSparkDriver.LOG.log(Level.INFO, |
| "Submitting ReefOnSparkTask task to AllocatedEvaluator: {0}", allocatedEvaluator) |
| |
| val taskConfiguration: Configuration = TaskConfiguration.CONF |
| .set(TaskConfiguration.IDENTIFIER, "ReefOnSparkTask") |
| .set(TaskConfiguration.TASK, classOf[ReefOnSparkTask]) |
| .build |
| |
| allocatedEvaluator.submitTask(taskConfiguration) |
| } |
| } |
| } |