aljoscha commented on a change in pull request #10475: [FLINK-15118][FLINK-15119][FLINK-15120] Make flink-scala-shell use Executors URL: https://github.com/apache/flink/pull/10475#discussion_r355109230
########## File path: flink-scala-shell/src/main/java/org/apache/flink/api/java/ScalaShellEnvironment.java ########## @@ -0,0 +1,121 @@ +/* + * 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.api.java; + +import org.apache.flink.annotation.Internal; +import org.apache.flink.api.common.InvalidProgramException; +import org.apache.flink.api.common.JobExecutionResult; +import org.apache.flink.api.scala.FlinkILoop; +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.util.JarUtils; + +import java.io.File; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; + +import static org.apache.flink.util.Preconditions.checkNotNull; +import static org.apache.flink.util.Preconditions.checkState; + +/** + * Special version of {@link org.apache.flink.api.java.ExecutionEnvironment} that has a reference + * to a {@link org.apache.flink.api.scala.FlinkILoop}. When execute is called this will + * use the reference of the ILoop to write the compiled classes of the current session to + * a Jar file and submit these with the program. + */ +@Internal +public class ScalaShellEnvironment extends ExecutionEnvironment { + + /** The jar files that need to be attached to each job. */ + private final List<URL> jarFiles; + + /** reference to Scala Shell, for access to virtual directory. */ + private final FlinkILoop flinkILoop; + + public ScalaShellEnvironment( + final Configuration configuration, + final FlinkILoop flinkILoop, + final String... jarFiles) { + + super(validateAndGetConfiguration(configuration)); + this.flinkILoop = checkNotNull(flinkILoop); + this.jarFiles = checkNotNull(getJarFiles(jarFiles)); + } + + private static Configuration validateAndGetConfiguration(final Configuration configuration) { + if (!ExecutionEnvironment.areExplicitEnvironmentsAllowed()) { + throw new InvalidProgramException( + "The RemoteEnvironment cannot be instantiated when running in a pre-defined context " + + "(such as Command Line Client, Scala Shell, or TestEnvironment)"); + } + return checkNotNull(configuration); + } + + private static List<URL> getJarFiles(final String[] jars) { Review comment: I will do that. 👌 ---------------------------------------------------------------- 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: [email protected] With regards, Apache Git Services
