johnyangk commented on a change in pull request #62: [NEMO-71] Add LocationShareAssignmentPass and Example Application URL: https://github.com/apache/incubator-nemo/pull/62#discussion_r199794546
########## File path: examples/beam/src/main/java/edu/snu/nemo/examples/beam/NetworkTraceAnalysis.java ########## @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2018 Seoul National University + * + * Licensed 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 edu.snu.nemo.examples.beam; + +import edu.snu.nemo.compiler.frontend.beam.NemoPipelineOptions; +import edu.snu.nemo.compiler.frontend.beam.NemoPipelineRunner; +import org.apache.beam.sdk.Pipeline; +import org.apache.beam.sdk.options.PipelineOptions; +import org.apache.beam.sdk.options.PipelineOptionsFactory; +import org.apache.beam.sdk.transforms.*; +import org.apache.beam.sdk.transforms.join.CoGbkResult; +import org.apache.beam.sdk.transforms.join.CoGroupByKey; +import org.apache.beam.sdk.transforms.join.KeyedPCollectionTuple; +import org.apache.beam.sdk.values.KV; +import org.apache.beam.sdk.values.PCollection; +import org.apache.beam.sdk.values.TupleTag; +import org.apache.commons.math3.stat.descriptive.moment.StandardDeviation; + +import java.util.ArrayList; +import java.util.List; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * An app that analyzes data flow from network trace. + */ +public final class NetworkTraceAnalysis { + /** + * Private constructor. + */ + private NetworkTraceAnalysis() { + } + + /** + * Main function for the Beam program. + * @param args arguments. + */ + public static void main(final String[] args) { + final String input0FilePath = args[0]; + final String input1FilePath = args[1]; + final String outputFilePath = args[2]; + final PipelineOptions options = PipelineOptionsFactory.create().as(NemoPipelineOptions.class); + options.setRunner(NemoPipelineRunner.class); + options.setJobName("NetworkTraceAnalysis"); + + final Pattern pattern = Pattern.compile(" *\\d+ +[0-9.]+ +([0-9.]+) -> ([0-9.]+) +.*Len=(\\d+)"); Review comment: Can you provide an example of what this finds? Something like... // Given "xyxyabcxyxx", this finds "abc" ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on 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 With regards, Apache Git Services
