import java.util.LinkedList;
import java.util.List;

import javafx.application.Application;
import javafx.beans.property.ListProperty;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleListProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.stage.Stage;
import javafx.util.Duration;

/** Attempt to replicate a JVM crash */
public class CrashJVMTest extends Application {
    
    public static class Segment  {
        private ObjectProperty<Duration> start = new SimpleObjectProperty<>(this, "start", Duration.ZERO);
        private ObjectProperty<Duration> end = new SimpleObjectProperty<>(this, "end", Duration.ZERO);    

        public Segment(Duration start, Duration end) {
            this.start.set(start);
            this.end.set(end);
        }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (obj == null) {
                return false;
            }
            if (!(obj instanceof Segment)) {
                return false;
            }
            Segment other = (Segment) obj;
            if (end == null) {
                if (other.end != null) {
                    return false;
                }
            } else if (!end.equals(other.end)) {
                return false;
            }
            if (start == null) {
                if (other.start != null) {
                    return false;
                }
            } else if (!start.equals(other.start)) {
                return false;
            }
            return true;
        }
        
        @Override
        public int hashCode() {
            final int prime = 31;
            int result = 1;
            result = prime * result + ((end == null) ? 0 : end.hashCode());
            result = prime * result + ((start == null) ? 0 : start.hashCode());
            return result;
        }


    }
    
    private ListProperty<Segment> list = new SimpleListProperty<>();
    
    /**
     * {@inheritDoc} 
     * @see javafx.application.Application#init()
     */
    @Override
    public void init() throws Exception {
        List<Segment> stuff = new LinkedList<>();
        
        for(int i = 0; i < 10; i++) {
            stuff.add(new Segment(Duration.seconds(i), Duration.seconds(i+1))); 
        }
        
        list.set(FXCollections.observableList(stuff));
    }
    
    
    @Override
    public void start(Stage s) throws Exception {

        Button b = new Button("Press Me if you Dare");
        b.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent arg0) {
                Segment s1 = new Segment(Duration.seconds(5), Duration.seconds(6));
                int val = list.indexOf(s1);
                System.out.println("Index: " + val);
            }
        });
        
        Scene scene = new Scene(b);
        s.setScene(scene);
        s.sizeToScene();
        s.show();
    }
    
    public static void main(String[] args) {
        Application.launch();
    }

}