| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.hadoop.hdfs.server.namenode.startupprogress; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| |
| /** |
| * Indicates a particular type of {@link Step}. |
| */ |
| @InterfaceAudience.Private |
| public enum StepType { |
| /** |
| * The namenode has entered safemode and is awaiting block reports from |
| * datanodes. |
| */ |
| AWAITING_REPORTED_BLOCKS("AwaitingReportedBlocks", "awaiting reported blocks"), |
| |
| /** |
| * The namenode is performing an operation related to delegation keys. |
| */ |
| DELEGATION_KEYS("DelegationKeys", "delegation keys"), |
| |
| /** |
| * The namenode is performing an operation related to delegation tokens. |
| */ |
| DELEGATION_TOKENS("DelegationTokens", "delegation tokens"), |
| |
| /** |
| * The namenode is performing an operation related to inodes. |
| */ |
| INODES("Inodes", "inodes"), |
| |
| /** |
| * The namenode is performing an operation related to cache pools. |
| */ |
| CACHE_POOLS("CachePools", "cache pools"), |
| |
| /** |
| * The namenode is performing an operation related to cache entries. |
| */ |
| CACHE_ENTRIES("CacheEntries", "cache entries"); |
| |
| private final String name, description; |
| |
| /** |
| * Private constructor of enum. |
| * |
| * @param name String step type name |
| * @param description String step type description |
| */ |
| private StepType(String name, String description) { |
| this.name = name; |
| this.description = description; |
| } |
| |
| /** |
| * Returns step type description. |
| * |
| * @return String step type description |
| */ |
| public String getDescription() { |
| return description; |
| } |
| |
| /** |
| * Returns step type name. |
| * |
| * @return String step type name |
| */ |
| public String getName() { |
| return name; |
| } |
| } |