JorgeQuiane commented on code in PR #235: URL: https://github.com/apache/incubator-wayang/pull/235#discussion_r895635543
########## wayang-benchmark/code/main/java/org/apache/wayang/apps/grep/Grep.java: ########## @@ -0,0 +1,150 @@ +/* + * 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.wayang.apps.grep; + +import java.io.IOException; +import java.io.Serializable; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.util.Iterator; +import org.apache.flink.api.java.ExecutionEnvironment; +import org.apache.spark.SparkConf; +import org.apache.spark.SparkContext; +import org.apache.wayang.api.JavaPlanBuilder; +import org.apache.wayang.core.api.WayangContext; +import org.apache.wayang.core.plugin.Plugin; +import org.apache.wayang.flink.Flink; +import org.apache.wayang.java.Java; +import org.apache.wayang.spark.Spark; + +public class Grep implements Serializable { + + public static void pureJava(String input, String output) throws IOException { + Iterator<CharSequence> out = Files.lines(Paths.get(input)) + .filter(line -> line.contains("six")) + .map(str -> (CharSequence) str) + .iterator(); + + Files.write( + Paths.get(output), + new Iterable<CharSequence>() { + @Override + public Iterator<CharSequence> iterator() { + return out; + } + } + ); + } + + public static void pureSpark(String input, String output) throws IOException { + SparkConf conf = new SparkConf().setMaster("local[*]").setAppName("grep"); + SparkContext context = new SparkContext(conf); + + context + .textFile(input, context.defaultParallelism()) + .toJavaRDD() + .filter( line -> line.contains("six")) + .saveAsTextFile(output); + } + + public static void pureFlink(String input, String output) throws Exception { + // Create an environment + final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); + + env.readTextFile(input) + .filter(line -> line.contains("six")) + .writeAsText(output); + + env.execute(); + } + + public static void wayangPlatform(String input, String output, Plugin plugin){ + // Set up WayangContext. + WayangContext wayangContext = new WayangContext().with(plugin); + + // Build and execute a Wayang plan. + new JavaPlanBuilder(wayangContext) + .readTextFile(input) + .filter(line -> line.contains("six")).withName("Split words") + .writeTextFile(output, s -> s, "lala"); + } + + public static void wayangJava(String input, String output){ + wayangPlatform(input, output, Java.basicPlugin()); + } + + public static void wayangSpark(String input, String output){ + wayangPlatform(input, output, Spark.basicPlugin()); + } + + public static void wayangFlink(String input, String output){ + wayangPlatform(input, output, Flink.basicPlugin()); + } + + public static void main(String... args) throws Exception { + int size = Integer.parseInt(args[0]); + String platform = args[1]; + + String input = args[2]+"/python/src/pywy/tests/resources/10e"+size+"MB.input"; Review Comment: I understand the input path is now hard coded because it is not supposed to come from the user, yet I would suggest to have an input variable later on to allow for flexibility in the future. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
