/*PLEASE DO NOT EDIT THIS CODE*/
/*This code was generated using the UMPLE @UMPLE_VERSION@ modeling language!*/

package example;
import java.util.*;
import java.lang.Thread;

public class QueuedSMwithConcurrentStates implements Runnable
{

  //------------------------
  // MEMBER VARIABLES
  //------------------------

  //QueuedSMwithConcurrentStates State Machines
  public enum Sm { state1, state2, state3 }
  public enum SmState1SubState1 { Null, subState1 }
  public enum SmState1SubState2 { Null, subState2 }
  private Sm sm;
  private SmState1SubState1 smState1SubState1;
  private SmState1SubState2 smState1SubState2;
  
  //enumeration type of messages accepted by QueuedSMwithConcurrentStates
  protected enum MessageType { transit_M }
  
  MessageQueue queue;
  Thread removal;

  //QueuedSMwithConcurrentStates Do Activity Threads
  Thread doActivitySmState2Thread = null;
  Thread doActivitySmState3Thread = null;

  //------------------------
  // CONSTRUCTOR
  //------------------------

  public QueuedSMwithConcurrentStates()
  {
    setSmState1SubState1(SmState1SubState1.Null);
    setSmState1SubState2(SmState1SubState2.Null);
    setSm(Sm.state1);
    queue = new MessageQueue();
    removal=new Thread(this);
    //start the thread of QueuedSMwithConcurrentStates
    removal.start();
  }

  //------------------------
  // INTERFACE
  //------------------------

  public String getSmFullName()
  {
    String answer = sm.toString();
    if (smState1SubState1 != SmState1SubState1.Null) { answer += "." + smState1SubState1.toString(); }
    if (smState1SubState2 != SmState1SubState2.Null) { answer += "." + smState1SubState2.toString(); }
    return answer;
  }

  public Sm getSm()
  {
    return sm;
  }

  public SmState1SubState1 getSmState1SubState1()
  {
    return smState1SubState1;
  }

  public SmState1SubState2 getSmState1SubState2()
  {
    return smState1SubState2;
  }

  public boolean _transit()
  {
    boolean wasEventProcessed = false;
    
    SmState1SubState1 aSmState1SubState1 = smState1SubState1;
    SmState1SubState2 aSmState1SubState2 = smState1SubState2;
    switch (aSmState1SubState1)
    {
      case subState1:
        exitSm();
        setSm(Sm.state2);
        wasEventProcessed = true;
        break;
      default:
        // Other states do respond to this event
    }

    switch (aSmState1SubState2)
    {
      case subState2:
        exitSm();
        setSm(Sm.state3);
        wasEventProcessed = true;
        break;
      default:
        // Other states do respond to this event
    }

    return wasEventProcessed;
  }

  private void exitSm()
  {
    switch(sm)
    {
      case state1:
        exitSmState1SubState1();
        exitSmState1SubState2();
        break;
      case state2:
        if (doActivitySmState2Thread != null) { doActivitySmState2Thread.interrupt(); }
        break;
      case state3:
        if (doActivitySmState3Thread != null) { doActivitySmState3Thread.interrupt(); }
        break;
    }
  }

  private void setSm(Sm aSm)
  {
    sm = aSm;

    // entry actions and do activities
    switch(sm)
    {
      case state1:
        if (smState1SubState1 == SmState1SubState1.Null) { setSmState1SubState1(SmState1SubState1.subState1); }
        if (smState1SubState2 == SmState1SubState2.Null) { setSmState1SubState2(SmState1SubState2.subState2); }
        break;
      case state2:
        doActivitySmState2Thread = new DoActivityThread(this,"doActivitySmState2");
        break;
      case state3:
        doActivitySmState3Thread = new DoActivityThread(this,"doActivitySmState3");
        break;
    }
  }

  private void exitSmState1SubState1()
  {
    switch(smState1SubState1)
    {
      case subState1:
        setSmState1SubState1(SmState1SubState1.Null);
        break;
    }
  }

  private void setSmState1SubState1(SmState1SubState1 aSmState1SubState1)
  {
    smState1SubState1 = aSmState1SubState1;
    if (sm != Sm.state1 && aSmState1SubState1 != SmState1SubState1.Null) { setSm(Sm.state1); }
  }

  private void exitSmState1SubState2()
  {
    switch(smState1SubState2)
    {
      case subState2:
        setSmState1SubState2(SmState1SubState2.Null);
        break;
    }
  }

  private void setSmState1SubState2(SmState1SubState2 aSmState1SubState2)
  {
    smState1SubState2 = aSmState1SubState2;
    if (sm != Sm.state1 && aSmState1SubState2 != SmState1SubState2.Null) { setSm(Sm.state1); }
  }

  private void doActivitySmState2()
  {
    try
    {
      doTransition1();
      Thread.sleep(1);
    }
    catch (InterruptedException e)
    {

    }
  }

  private void doActivitySmState3()
  {
    try
    {
      doTransition2();
      Thread.sleep(1);
    }
    catch (InterruptedException e)
    {

    }
  }

  private static class DoActivityThread extends Thread
  {
    QueuedSMwithConcurrentStates controller;
    String doActivityMethodName;
    
    public DoActivityThread(QueuedSMwithConcurrentStates aController,String aDoActivityMethodName)
    {
      controller = aController;
      doActivityMethodName = aDoActivityMethodName;
      start();
    }
    
    public void run()
    {
      if ("doActivitySmState2".equals(doActivityMethodName))
      {
        controller.doActivitySmState2();
      }
        else if ("doActivitySmState3".equals(doActivityMethodName))
      {
        controller.doActivitySmState3();
      }
    }
  }

  public void delete()
  {
    removal.interrupt();
  }

  protected class Message
  {
    MessageType type;
    
    //Message parameters
    Vector<Object> param;
    
    public Message(MessageType t, Vector<Object> p)
    {
      type = t; 
      param = p;
    }

    @Override
    public String toString()
    {
      return type + "," + param;
    }
  }
  
  protected class MessageQueue {
    Queue<Message> messages = new LinkedList<Message>();
    
    public synchronized void put(Message m)
    {
      messages.add(m); 
      notify();
    }

    public synchronized Message getNext()
    {
      try {
        while (messages.isEmpty()) 
        {
          wait();
        }
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        return null;
      }

      //The element to be removed
      Message m = messages.remove(); 
      return (m);
    }
  }

  //------------------------------
  //messages accepted 
  //------------------------------

  public void transit ()
  {
    queue.put(new Message(MessageType.transit_M, null));
  }

  
  @Override
  public void run ()
  {
    boolean status=false;
    while (true) 
    {
      Message m = queue.getNext();
      if(m == null)  return;
      
      switch (m.type)
      {
        case transit_M:
          status = _transit();
          break; 
        default:
      }
      if(!status)
      {
        // Error message is written or  exception is raised
      }
    }
  }
}