001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.runtime.common.driver.defaults;
020
021import org.apache.reef.driver.task.RunningTask;
022import org.apache.reef.wake.EventHandler;
023
024import javax.inject.Inject;
025import java.util.logging.Logger;
026
027/**
028 * Default event handler for Task Restart TaskRuntime: Logging it.
029 */
030public final class DefaultDriverRestartTaskRunningHandler implements EventHandler<RunningTask> {
031
032  private static final Logger LOG = Logger.getLogger(DefaultDriverRestartTaskRunningHandler.class.getName());
033
034  @Inject
035  public DefaultDriverRestartTaskRunningHandler() {
036  }
037
038  @Override
039  public void onNext(final RunningTask runningTask) {
040    throw new RuntimeException(
041        "RunningTask [" + runningTask.toString() + "] received during driver restart, " +
042            "but no DriverRestartTaskRunningHandler is bound");
043  }
044}