Entry.java

package project;

import java.util.*;
import org.overture.codegen.runtime.*;
import org.overture.codegen.vdm2jml.runtime.*;

@SuppressWarnings("all")
//@ nullable_by_default

final public class Entry {
  /*@ public ghost static boolean invChecksOn = true; @*/

  private Entry() {}

  public static Object Run() {

    Object r = new project.Entrytypes.R1(1L);
    //@ assert (Utils.is_(r,project.Entrytypes.R1.class) || Utils.is_(r,project.Entrytypes.R2.class));

    IO.println("Before valid use");
    if (r instanceof project.Entrytypes.R1) {
      //@ assert r != null;

      ((project.Entrytypes.R1) r).set_x(5L);

    } else if (r instanceof project.Entrytypes.R2) {
      //@ assert r != null;

      ((project.Entrytypes.R2) r).set_x(5L);

    } else {
      throw new RuntimeException("Missing member: x");
    }

    IO.println("After valid use");
    IO.println("Before illegal use");
    if (r instanceof project.Entrytypes.R1) {
      //@ assert r != null;

      ((project.Entrytypes.R1) r).set_x(-5L);

    } else if (r instanceof project.Entrytypes.R2) {
      //@ assert r != null;

      ((project.Entrytypes.R2) r).set_x(-5L);

    } else {
      throw new RuntimeException("Missing member: x");
    }

    IO.println("After illegal use");
    return 0L;
  }

  public String toString() {

    return "Entry{}";
  }
}