public static void main()

in marketing-analytics/predicting/ml-data-windowing-pipeline/DataVisualizationPipeline.java [36:82]
42 lines of code
1 McCabe index (conditional complexity)

  public static void main(String[] args) {
    DataVisualizationPipelineOptions options =
        PipelineOptionsFactory.fromArgs(args).withValidation().as(
            DataVisualizationPipelineOptions.class);
    Pipeline pipeline = Pipeline.create(options);

    PCollection<Session> sessions = pipeline
        .apply(AvroIO.read(Session.class).from(options.getInputAvroSessionsLocation()));

    // Output Facts BigQuery table.
    sessions
        .apply("MapSessionToFacts", ParDo.of(new MapSessionToFacts()))
        .apply("MapFactToTableRow", ParDo.of(new MapFactToTableRow()))
        .apply("WriteFactsToBigQuery",
            BigQueryIO.writeTableRows()
                .to(options.getOutputBigQueryFactsTable())
                .withoutValidation()
                .withSchema(MapFactToTableRow.getTableSchema())
                .withCreateDisposition(BigQueryIO.Write.CreateDisposition.CREATE_IF_NEEDED)
                .withWriteDisposition(BigQueryIO.Write.WriteDisposition.WRITE_TRUNCATE));

    // Output UserActivity BigQuery table.
    sessions
        .apply("MapUserIdToSession", ParDo.of(new MapUserIdToSession()))
        .apply(GroupByKey.<String, Session>create())
        .apply("SortSessionsByTime", ParDo.of(new SortSessionsByTime()))
        .apply(
            "MapSortedSessionsToUserActivities",
            ParDo.of(
                new MapSortedSessionsToUserActivities(
                    options.getSnapshotStartDate(),
                    options.getSnapshotEndDate(),
                    options.getSlideTimeInSeconds(),
                    options.getMinimumLookaheadTimeInSeconds(),
                    options.getMaximumLookaheadTimeInSeconds(),
                    options.getStopOnFirstPositiveLabel())))
        .apply("MapUserActivityToTableRow", ParDo.of(new MapUserActivityToTableRow()))
        .apply(
            "WriteUserActivitiesToBigQuery",
            BigQueryIO.writeTableRows()
                .to(options.getOutputBigQueryUserActivityTable())
                .withoutValidation()
                .withSchema(MapUserActivityToTableRow.getTableSchema())
                .withCreateDisposition(BigQueryIO.Write.CreateDisposition.CREATE_IF_NEEDED)
                .withWriteDisposition(BigQueryIO.Write.WriteDisposition.WRITE_TRUNCATE));
    pipeline.run();
  }