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.wake.remote.address;
020
021import org.apache.reef.tang.Configuration;
022import org.apache.reef.tang.Tang;
023import org.apache.reef.wake.remote.RemoteConfiguration;
024
025import javax.inject.Inject;
026import java.net.InetAddress;
027
028/**
029 * A LocalAddressProvider that always uses the Loopback Address. This is used
030 * mainly in local runtime for C# to prevent firewall message popups.
031 */
032public final class LoopbackLocalAddressProvider implements LocalAddressProvider {
033
034  @Inject
035  private LoopbackLocalAddressProvider() {
036  }
037
038  @Override
039  public String getLocalAddress() {
040    // Use the loopback address.
041    return InetAddress.getLoopbackAddress().getHostAddress();
042  }
043
044  @Override
045  public Configuration getConfiguration() {
046    return Tang.Factory.getTang().newConfigurationBuilder()
047        .bind(LocalAddressProvider.class, LoopbackLocalAddressProvider.class)
048        .bindNamedParameter(RemoteConfiguration.HostAddress.class, getLocalAddress())
049        .build();
050  }
051}