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.hdinsight.client.yarnrest; 020 021import org.codehaus.jackson.annotate.JsonProperty; 022import org.codehaus.jackson.map.ObjectMapper; 023 024import java.io.IOException; 025import java.io.StringWriter; 026 027/** 028 * Represents a resource to be localized. The key represents 029 * the file name or folder name after localization, while the value 030 * provides the details of the localized resource. 031 * For detailed information, please refer to 032 * https://hadoop.apache.org/docs/r2.6.0/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html 033 */ 034public final class LocalResourcesEntry { 035 036 private static final String LOCAL_RESOURCES_ENTRY = "localResourcesEntry"; 037 private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper(); 038 039 private String key; 040 private LocalResource value; 041 042 public LocalResourcesEntry(final String key, final LocalResource value) { 043 this.key = key; 044 this.value = value; 045 } 046 047 @JsonProperty(Constants.KEY) 048 public String getKey() { 049 return this.key; 050 } 051 052 public LocalResourcesEntry setKey(final String key) { 053 this.key = key; 054 return this; 055 } 056 057 @JsonProperty(Constants.VALUE) 058 public LocalResource getValue() { 059 return this.value; 060 } 061 062 public LocalResourcesEntry setValue(final LocalResource value) { 063 this.value = value; 064 return this; 065 } 066 067 @Override 068 public String toString() { 069 final StringWriter writer = new StringWriter(); 070 final String objectString; 071 try { 072 OBJECT_MAPPER.writeValue(writer, this); 073 objectString = writer.toString(); 074 } catch (final IOException e) { 075 throw new RuntimeException("Exception while serializing LocalResourcesEntry: " + e); 076 } 077 078 return LOCAL_RESOURCES_ENTRY + objectString; 079 } 080}