/** * 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.api; import java.io.IOException; import org.apache.hadoop.io.retry.AtMostOnce; import org.apache.hadoop.io.retry.Idempotent; import org.apache.hadoop.yarn.exceptions.YarnException; import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatRequest; import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse; import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerRequest; import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerResponse; import org.apache.hadoop.yarn.server.api.protocolrecords.UnRegisterNodeManagerRequest; import org.apache.hadoop.yarn.server.api.protocolrecords.UnRegisterNodeManagerResponse; /** * This is used by the Node Manager to register/nodeHeartbeat/unregister with * the ResourceManager. */ public interface ResourceTracker { @Idempotent RegisterNodeManagerResponse registerNodeManager( RegisterNodeManagerRequest request) throws YarnException, IOException; @AtMostOnce NodeHeartbeatResponse nodeHeartbeat(NodeHeartbeatRequest request) throws YarnException, IOException; @Idempotent UnRegisterNodeManagerResponse unRegisterNodeManager( UnRegisterNodeManagerRequest request) throws YarnException, IOException; }