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, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.hadoop.yarn.api.records; 020 021import org.apache.hadoop.classification.InterfaceAudience.Public; 022import org.apache.hadoop.classification.InterfaceStability.Stable; 023import org.apache.hadoop.yarn.api.ApplicationClientProtocol; 024 025/** 026 * State of a Queue. 027 * <p> 028 * A queue is in one of: 029 * <ul> 030 * <li>{@link #RUNNING} - normal state.</li> 031 * <li>{@link #STOPPED} - not accepting new application submissions.</li> 032 * </ul> 033 * 034 * @see QueueInfo 035 * @see ApplicationClientProtocol#getQueueInfo(org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest) 036 */ 037@Public 038@Stable 039public enum QueueState { 040 /** 041 * Stopped - Not accepting submissions of new applications. 042 */ 043 STOPPED, 044 045 /** 046 * Running - normal operation. 047 */ 048 RUNNING 049}