Java tutorial
/** * 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.rmnode; import java.util.Collections; import java.util.List; import org.apache.hadoop.yarn.api.records.ApplicationId; import org.apache.hadoop.yarn.api.records.Container; import org.apache.hadoop.yarn.api.records.ContainerStatus; import org.apache.hadoop.yarn.api.records.NodeId; import org.apache.hadoop.yarn.api.records.ResourceUtilization; import org.apache.hadoop.yarn.server.api.protocolrecords.LogAggregationReport; import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus; import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus; import org.apache.hadoop.yarn.server.api.records.NodeStatus; public class RMNodeStatusEvent extends RMNodeEvent { private final NodeStatus nodeStatus; private List<LogAggregationReport> logAggregationReportsForApps; public RMNodeStatusEvent(NodeId nodeId, NodeStatus nodeStatus) { this(nodeId, nodeStatus, null); } public RMNodeStatusEvent(NodeId nodeId, NodeStatus nodeStatus, List<LogAggregationReport> logAggregationReportsForApps) { super(nodeId, RMNodeEventType.STATUS_UPDATE); this.nodeStatus = nodeStatus; this.logAggregationReportsForApps = logAggregationReportsForApps; } public NodeHealthStatus getNodeHealthStatus() { return this.nodeStatus.getNodeHealthStatus(); } public List<ContainerStatus> getContainers() { return this.nodeStatus.getContainersStatuses(); } public List<ApplicationId> getKeepAliveAppIds() { return this.nodeStatus.getKeepAliveApplications(); } public ResourceUtilization getAggregatedContainersUtilization() { return this.nodeStatus.getContainersUtilization(); } public ResourceUtilization getNodeUtilization() { return this.nodeStatus.getNodeUtilization(); } public List<LogAggregationReport> getLogAggregationReportsForApps() { return this.logAggregationReportsForApps; } public OpportunisticContainersStatus getOpportunisticContainersStatus() { return this.nodeStatus.getOpportunisticContainersStatus(); } public void setLogAggregationReportsForApps(List<LogAggregationReport> logAggregationReportsForApps) { this.logAggregationReportsForApps = logAggregationReportsForApps; } public List<Container> getNMReportedIncreasedContainers() { return this.nodeStatus.getIncreasedContainers() == null ? Collections.emptyList() : this.nodeStatus.getIncreasedContainers(); } }