/**
 * 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.yarn.server.resourcemanager.scheduler.capacity;

/**
 * Scheduling modes, see below for detailed explanations 
 */
public enum SchedulingMode {
  /**
   * <p>
   * When a node has partition (say partition=x), only application in the queue
   * can access to partition=x AND requires for partition=x resource can get
   * chance to allocate on the node.
   * </p>
   * 
   * <p>
   * When a node has no partition, only application requires non-partitioned
   * resource can get chance to allocate on the node.
   * </p>
   */
  RESPECT_PARTITION_EXCLUSIVITY,
  
  /**
   * Only used when a node has partition AND the partition isn't an exclusive
   * partition AND application requires non-partitioned resource.
   */
  IGNORE_PARTITION_EXCLUSIVITY
}