zjffdu commented on a change in pull request #4098: URL: https://github.com/apache/zeppelin/pull/4098#discussion_r615960950
########## File path: flink/interpreter/src/main/java/org/apache/zeppelin/flink/YarnApplicationExecutionEnvironment.java ########## @@ -0,0 +1,82 @@ +/* + * 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.zeppelin.flink; + +import org.apache.flink.api.common.JobExecutionResult; +import org.apache.flink.api.java.ExecutionEnvironment; +import org.apache.flink.configuration.ConfigUtils; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.configuration.DeploymentOptions; +import org.apache.flink.configuration.PipelineOptions; +import org.apache.flink.core.execution.JobClient; +import org.apache.flink.core.execution.PipelineExecutorServiceLoader; + +import java.net.MalformedURLException; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; + +import static org.apache.flink.util.Preconditions.checkState; + + +/** + * ExecutionEnvironment used for yarn application mode. + * Need to add jars of scala shell before submitting jobs. + */ +public class YarnApplicationExecutionEnvironment extends ExecutionEnvironment { + + private FlinkILoop flinkILoop; + + public YarnApplicationExecutionEnvironment(PipelineExecutorServiceLoader executorServiceLoader, + Configuration configuration, + ClassLoader userClassloader, + FlinkILoop flinkILoop) { + super(executorServiceLoader,configuration,userClassloader); + this.flinkILoop = flinkILoop; + } + + @Override + public JobClient executeAsync(String jobName) throws Exception { + updateDependencies(); + return super.executeAsync(jobName); + } + + @Override + public JobExecutionResult execute() throws Exception { + updateDependencies(); + return super.execute(); + } + + private void updateDependencies() throws Exception { + final Configuration configuration = getConfiguration(); + checkState( + configuration.getBoolean(DeploymentOptions.ATTACHED), + "Only ATTACHED mode is supported by the scala shell."); + + final List<URL> updatedJarFiles = getUpdatedJarFiles(); + ConfigUtils.encodeCollectionToConfig( + configuration, PipelineOptions.JARS, updatedJarFiles, URL::toString); + } + + private List<URL> getUpdatedJarFiles() throws MalformedURLException { + final URL jarUrl = flinkILoop.writeFilesToDisk().getAbsoluteFile().toURI().toURL(); + final List<URL> allJarFiles = new ArrayList<>(); + allJarFiles.add(jarUrl); + return allJarFiles; + } Review comment: I think it is not side-effects, it just generate jar files, but didn't change the internal state of `YarnApplicationExecutionEnvironment` -- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
