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.naming;
020
021import org.apache.reef.annotations.audience.Public;
022import org.apache.reef.wake.Identifier;
023
024import java.net.InetSocketAddress;
025
026/**
027 * Implementations of this interface facilitate address lookups based on
028 * Identifiers.
029 */
030@Public
031public interface NamingLookup {
032
033  /**
034   * Lookup an Address for a given Identifier.
035   *
036   * @param id the identifier to be searched
037   * @return the Inet address
038   * @throws java.io.IOException
039   */
040  InetSocketAddress lookup(final Identifier id) throws Exception;
041
042}