Asked CoPilot to write a Cascading application

ParseApache.java

import cascading.flow.Flow;
import cascading.flow.FlowDef;
import cascading.flow.hadoop.HadoopFlowConnector;
import cascading.operation.regex.RegexParser;
import cascading.operation.text.DateFormatter;
import cascading.pipe.Each;
import cascading.pipe.Pipe;
import cascading.scheme.hadoop.TextDelimited;
import cascading.scheme.hadoop.TextLine;
import cascading.tap.SinkMode;
import cascading.tap.Tap;
import cascading.tap.hadoop.Hfs;
import cascading.tuple.Fields;

public class ApacheLogToParquet {

    public static void main(String[] args) {
        String inputPath = args[0];
        String outputPath = args[1];

        // Define the source tap
        Tap inTap = new Hfs(new TextLine(), inputPath);

        // Define the sink tap
        Tap outTap = new Hfs(new ParquetScheme(), outputPath, SinkMode.REPLACE);

        // Define the regex to parse the Apache log
        String apacheLogRegex = ...; // Fill this with the correct regex
        Fields apacheLogFields = new Fields("ip", "identd", "user", "datetime", "request", "status", "size", "referrer", "userAgent");
        RegexParser parser = new RegexParser(apacheLogFields, apacheLogRegex);

        // Define the pipe to parse the Apache log
        Pipe parsePipe = new Each("parse", new Fields("line"), parser, Fields.RESULTS);

        // Define the flow
        FlowDef flowDef = FlowDef.flowDef()
                .addSource(parsePipe, inTap)
                .addTailSink(parsePipe, outTap)
                .setName("ApacheLogToParquet");

        // Execute the flow
        Flow flow = new HadoopFlowConnector().connect(flowDef);
        flow.complete();
    }
}