package com.example;

import io.jafar.parser.api.EventIterator;
import io.jafar.parser.api.HandlerRegistration;
import io.jafar.parser.api.JafarParser;
import io.jafar.parser.api.JafarRecordedEvent;
import io.jafar.parser.api.JfrField;
import io.jafar.parser.api.JfrType;
import io.jafar.parser.api.TypedJafarParser;

import java.nio.file.Paths;
import java.util.Map;

public class ScheduledFireTimeEventParser {

    @JfrType("io.hyperfoil.ScheduledFireTimeEvent")
    public interface ScheduledFireTimeEvent {

        @JfrField("phaseDef")
        String phaseDef();
    }

    public static void main(String[] args) throws Exception {

        String jfrFile = "/home/dlovison/Downloads/test.jfr";

        try (TypedJafarParser p = JafarParser.newTypedParser(Paths.get(jfrFile))) {
            HandlerRegistration<ScheduledFireTimeEvent> reg = p.handle(ScheduledFireTimeEvent.class, (e, ctl) -> {
                if (e.phaseDef() == null) {
                    System.err.println("phaseDef is null");
                }
            });
            p.run();
            reg.destroy(p);
        }

        try (EventIterator it = EventIterator.open(Paths.get(jfrFile))) {
            while (it.hasNext()) {
                JafarRecordedEvent event = it.next();
                if ("io.hyperfoil.ScheduledFireTimeEvent".equals(event.typeName())) {
                    Map<String, Object> data = event.value();
                    Object phaseDef = data.get("phaseDef");
                    if (phaseDef == null) {
                        System.err.println("phaseDef is null");
                    }
                }
            }
        }
    }
}