| /** |
| * 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.api.protocolrecords; |
| |
| import java.util.List; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Stable; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.ApplicationClientProtocol; |
| import org.apache.hadoop.yarn.api.records.NodeReport; |
| import org.apache.hadoop.yarn.util.Records; |
| |
| /** |
| * <p>The response sent by the <code>ResourceManager</code> to a client |
| * requesting a {@link NodeReport} for all nodes.</p> |
| * |
| * <p>The <code>NodeReport</code> contains per-node information such as |
| * available resources, number of containers, tracking url, rack name, health |
| * status etc. |
| * |
| * @see NodeReport |
| * @see ApplicationClientProtocol#getClusterNodes(GetClusterNodesRequest) |
| */ |
| @Public |
| @Stable |
| public abstract class GetClusterNodesResponse { |
| |
| @Private |
| @Unstable |
| public static GetClusterNodesResponse |
| newInstance(List<NodeReport> nodeReports) { |
| GetClusterNodesResponse response = |
| Records.newRecord(GetClusterNodesResponse.class); |
| response.setNodeReports(nodeReports); |
| return response; |
| } |
| |
| /** |
| * Get <code>NodeReport</code> for all nodes in the cluster. |
| * @return <code>NodeReport</code> for all nodes in the cluster |
| */ |
| @Public |
| @Stable |
| public abstract List<NodeReport> getNodeReports(); |
| |
| @Private |
| @Unstable |
| public abstract void setNodeReports(List<NodeReport> nodeReports); |
| } |