NodeAttributesUpdateSchedulerEvent.java

/**
 * 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.event;

import java.util.Map;
import java.util.Set;

import org.apache.hadoop.yarn.api.records.NodeAttribute;

/**
 * Event handler class for Node Attributes which sends events to Scheduler.
 */
public class NodeAttributesUpdateSchedulerEvent extends SchedulerEvent {
  private Map<String, Set<NodeAttribute>> nodeToAttributes;

  public NodeAttributesUpdateSchedulerEvent(
      Map<String, Set<NodeAttribute>> newNodeToAttributesMap) {
    super(SchedulerEventType.NODE_ATTRIBUTES_UPDATE);
    this.nodeToAttributes = newNodeToAttributesMap;
  }

  public Map<String, Set<NodeAttribute>> getUpdatedNodeToAttributes() {
    return nodeToAttributes;
  }
}