Source code

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.client.defaults;
020
021import org.apache.reef.annotations.Provided;
022import org.apache.reef.annotations.audience.ClientSide;
023import org.apache.reef.client.FailedRuntime;
024import org.apache.reef.wake.EventHandler;
025
026import javax.inject.Inject;
027import java.util.logging.Level;
028import java.util.logging.Logger;
029
030/**
031 * Default event handler for REEF FailedRuntime: rethrow the exception.
032 */
033@Provided
034@ClientSide
035public final class DefaultRuntimeErrorHandler implements EventHandler<FailedRuntime> {
036
037  private static final Logger LOG = Logger.getLogger(DefaultRuntimeErrorHandler.class.getName());
038
039  @Inject
040  private DefaultRuntimeErrorHandler() {
041  }
042
043  @Override
044  public void onNext(final FailedRuntime error) {
045    if (error.getReason().isPresent()) {
046      LOG.log(Level.SEVERE, "Runtime error: " + error, error.getReason().get());
047    } else {
048      LOG.log(Level.SEVERE, "Runtime error: " + error);
049    }
050    throw new RuntimeException("REEF runtime error: " + error, error.asError());
051  }
052}