zuston commented on a change in pull request #18220: URL: https://github.com/apache/flink/pull/18220#discussion_r779455643
########## File path: flink-yarn/src/main/java/org/apache/flink/yarn/ApplicationReportProviderImpl.java ########## @@ -0,0 +1,64 @@ +/* + * 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.flink.yarn; + +import org.apache.flink.annotation.Internal; + +import org.apache.hadoop.service.Service; +import org.apache.hadoop.yarn.api.records.ApplicationId; +import org.apache.hadoop.yarn.api.records.ApplicationReport; +import org.apache.hadoop.yarn.api.records.YarnApplicationState; +import org.apache.hadoop.yarn.client.api.YarnClient; + +import java.io.IOException; + +/** The implementation of ApplicationReportProvider. */ +@Internal +public class ApplicationReportProviderImpl implements ApplicationReportProvider { + private final YarnClient yarnClient; + private final ApplicationId appId; + + private ApplicationReportProviderImpl(YarnClient yarnClient, ApplicationId applicationId) { + this.yarnClient = yarnClient; + this.appId = applicationId; + } + + @Override + public ApplicationReport waitTillSubmissionFinish() throws Exception { + // Make access to the YarnClient fail fast if the client has been closed by the + // YarnClusterDescriptor + if (yarnClient.isInState(Service.STATE.STOPPED)) { + throw new Exception( + "Errors on using YarnClient to retrieve application report. Maybe it has been closed by YarnClusterDescriptor."); + } + + try { + return YarnClusterDescriptor.waitTillTargetState( + yarnClient, appId, YarnApplicationState.RUNNING); + } catch (IOException e) { Review comment: Got it. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
