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.io.network.impl;
020
021import org.apache.reef.evaluator.context.events.ContextStop;
022import org.apache.reef.wake.EventHandler;
023
024import javax.inject.Inject;
025
026public class NetworkServiceClosingHandler implements EventHandler<ContextStop> {
027  private final NetworkService<?> networkService;
028
029  @Inject
030  public NetworkServiceClosingHandler(final NetworkService<?> networkService) {
031    this.networkService = networkService;
032  }
033
034  @Override
035  public void onNext(final ContextStop arg0) {
036    try {
037      networkService.close();
038    } catch (final Exception e) {
039      throw new RuntimeException("Exception while closing NetworkService", e);
040    }
041  }
042
043}