| /** |
| * 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.mapreduce; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * Enum representing queue state |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public enum QueueState { |
| |
| STOPPED("stopped"), RUNNING("running"), UNDEFINED("undefined"); |
| private final String stateName; |
| private static Map<String, QueueState> enumMap = |
| new HashMap<String, QueueState>(); |
| |
| static { |
| for (QueueState state : QueueState.values()) { |
| enumMap.put(state.getStateName(), state); |
| } |
| } |
| |
| QueueState(String stateName) { |
| this.stateName = stateName; |
| } |
| |
| /** |
| * @return the stateName |
| */ |
| public String getStateName() { |
| return stateName; |
| } |
| |
| public static QueueState getState(String state) { |
| QueueState qState = enumMap.get(state); |
| if (qState == null) { |
| return UNDEFINED; |
| } |
| return qState; |
| } |
| |
| @Override |
| public String toString() { |
| return stateName; |
| } |
| |
| } |