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.api.records; import org.apache.hadoop.classification.InterfaceAudience.Private; import org.apache.hadoop.classification.InterfaceAudience.Public; import org.apache.hadoop.classification.InterfaceStability.Unstable; import org.apache.hadoop.yarn.util.Records; /** * {@code ApplicationAttemptReport} is a report of an application attempt. * <p> * It includes details such as: * <ul> * <li>{@link ApplicationAttemptId} of the application.</li> * <li>Host on which the <code>ApplicationMaster</code> of this attempt is * running.</li> * <li>RPC port of the <code>ApplicationMaster</code> of this attempt.</li> * <li>Tracking URL.</li> * <li>Diagnostic information in case of errors.</li> * <li>{@link YarnApplicationAttemptState} of the application attempt.</li> * <li>{@link ContainerId} of the master Container.</li> * </ul> */ @Public @Unstable public abstract class ApplicationAttemptReport { @Private @Unstable public static ApplicationAttemptReport newInstance(ApplicationAttemptId applicationAttemptId, String host, int rpcPort, String url, String oUrl, String diagnostics, YarnApplicationAttemptState state, ContainerId amContainerId, long startTime, long finishTime) { ApplicationAttemptReport report = Records.newRecord(ApplicationAttemptReport.class); report.setApplicationAttemptId(applicationAttemptId); report.setHost(host); report.setRpcPort(rpcPort); report.setTrackingUrl(url); report.setOriginalTrackingUrl(oUrl); report.setDiagnostics(diagnostics); report.setYarnApplicationAttemptState(state); report.setAMContainerId(amContainerId); report.setStartTime(startTime); report.setFinishTime(finishTime); return report; } public static ApplicationAttemptReport newInstance(ApplicationAttemptId applicationAttemptId, String host, int rpcPort, String url, String oUrl, String diagnostics, YarnApplicationAttemptState state, ContainerId amContainerId) { return newInstance(applicationAttemptId, host, rpcPort, url, oUrl, diagnostics, state, amContainerId, 0L, 0L); } /** * Get the <em>YarnApplicationAttemptState</em> of the application attempt. * * @return <em>YarnApplicationAttemptState</em> of the application attempt */ @Public @Unstable public abstract YarnApplicationAttemptState getYarnApplicationAttemptState(); @Private @Unstable public abstract void setYarnApplicationAttemptState(YarnApplicationAttemptState yarnApplicationAttemptState); /** * Get the <em>RPC port</em> of this attempt <code>ApplicationMaster</code>. * * @return <em>RPC port</em> of this attempt <code>ApplicationMaster</code> */ @Public @Unstable public abstract int getRpcPort(); @Private @Unstable public abstract void setRpcPort(int rpcPort); /** * Get the <em>host</em> on which this attempt of * <code>ApplicationMaster</code> is running. * * @return <em>host</em> on which this attempt of * <code>ApplicationMaster</code> is running */ @Public @Unstable public abstract String getHost(); @Private @Unstable public abstract void setHost(String host); /** * Get the <em>diagnositic information</em> of the application attempt in case * of errors. * * @return <em>diagnositic information</em> of the application attempt in case * of errors */ @Public @Unstable public abstract String getDiagnostics(); @Private @Unstable public abstract void setDiagnostics(String diagnostics); /** * Get the <em>tracking url</em> for the application attempt. * * @return <em>tracking url</em> for the application attempt */ @Public @Unstable public abstract String getTrackingUrl(); @Private @Unstable public abstract void setTrackingUrl(String url); /** * Get the <em>original tracking url</em> for the application attempt. * * @return <em>original tracking url</em> for the application attempt */ @Public @Unstable public abstract String getOriginalTrackingUrl(); @Private @Unstable public abstract void setOriginalTrackingUrl(String oUrl); /** * Get the <code>ApplicationAttemptId</code> of this attempt of the * application * * @return <code>ApplicationAttemptId</code> of the attempt */ @Public @Unstable public abstract ApplicationAttemptId getApplicationAttemptId(); @Private @Unstable public abstract void setApplicationAttemptId(ApplicationAttemptId applicationAttemptId); /** * Get the <code>ContainerId</code> of AMContainer for this attempt * * @return <code>ContainerId</code> of the attempt */ @Public @Unstable public abstract ContainerId getAMContainerId(); @Private @Unstable public abstract void setAMContainerId(ContainerId amContainerId); @Public @Unstable public abstract long getStartTime(); @Private @Unstable public abstract void setStartTime(long startTime); /** * Get the <em>finish time</em> of the application. * * @return <em>finish time</em> of the application */ @Public @Unstable public abstract long getFinishTime(); @Private @Unstable public abstract void setFinishTime(long finishTime); }