/*
* JBoss, the OpenSource J2EE webOS
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.test.testbean.bean;

import java.rmi.*;
import javax.ejb.*;
import javax.naming.InitialContext;
import javax.naming.Context;
import org.jboss.test.testbean.interfaces.BMTStateful;
import javax.transaction.UserTransaction;
import javax.transaction.Status;


public class BMTStatelessBean implements SessionBean {
   org.apache.log4j.Category log = org.apache.log4j.Category.getInstance(getClass());
   
  private SessionContext sessionContext;

  public void ejbCreate() throws RemoteException, CreateException {
  log.debug("BMTStatelessBean.ejbCreate() called");
  }

  public void ejbActivate() throws RemoteException {
    log.debug("BMTStatelessBean.ejbActivate() called");
  }

  public void ejbPassivate() throws RemoteException {
      log.debug("BMTStatelessBean.ejbPassivate() called");
  }

  public void ejbRemove() throws RemoteException {
     log.debug("BMTStatelessBean.ejbRemove() called");
  }

  public void setSessionContext(SessionContext context) throws RemoteException {
    sessionContext = context;
  }

    public String txExists() throws RemoteException {
        String result = "";
        try {
            UserTransaction ut1 = sessionContext.getUserTransaction();
            result += "Got UserTransaction via sessionContext.getUserTransaction()\n";
        
            UserTransaction ut2 = (UserTransaction)new InitialContext().lookup("java:comp/UserTransaction");
            result += "Got UserTransaction via lookup(java:comp/UserTransaction)\n";
            return result;
        } catch (Exception e) {
            throw new RemoteException(e.getMessage());
        }
    }
        
        
    public String txCommit() throws RemoteException {
        try {
            UserTransaction tx = sessionContext.getUserTransaction();
        
            String result = "Got transaction : " + statusName(tx.getStatus()) + "\n";
            tx.begin();
            result += "tx.begin(): " + statusName(tx.getStatus()) + "\n";
            tx.commit();
            result += "tx.commit(): " + statusName(tx.getStatus()) + "\n";
        
            return result;
            
        } catch (Exception e) {
            log.debug("failed", e);
            throw new RemoteException(e.getMessage());
        }
        
    }
        
    public String txRollback() throws RemoteException {
        try {
            UserTransaction tx = sessionContext.getUserTransaction();
        
            String result = "Got transaction : " + statusName(tx.getStatus()) + "\n";
            tx.begin();
            result += "tx.begin(): " + statusName(tx.getStatus()) + "\n";
            tx.rollback();
            result += "tx.rollback(): " + statusName(tx.getStatus()) + "\n";
        
            return result;
            
        } catch (Exception e) {
            throw new RemoteException(e.getMessage());
        }
    }
        
      

    // this should not be allowed by the container
    public String txBegin() throws RemoteException {
        try {
            UserTransaction tx = sessionContext.getUserTransaction();
        
            tx.begin();
            return "status: " + statusName(tx.getStatus());
        } catch (Exception e) {
            throw new RemoteException(e.getMessage());
        }
        
    }

    private String statusName(int s) {
        switch (s) {
            case Status.STATUS_ACTIVE: return "STATUS_ACTIVE";
            case Status.STATUS_COMMITTED: return "STATUS_COMMITED"; 
            case Status.STATUS_COMMITTING: return "STATUS_COMMITTING"; 
            case Status.STATUS_MARKED_ROLLBACK: return "STATUS_MARKED_ROLLBACK"; 
            case Status.STATUS_NO_TRANSACTION: return "STATUS_NO_TRANSACTION"; 
            case Status.STATUS_PREPARED: return "STATUS_PREPARED"; 
            case Status.STATUS_PREPARING: return "STATUS_PREPARING"; 
            case Status.STATUS_ROLLEDBACK: return "STATUS_ROLLEDBACK"; 
            case Status.STATUS_ROLLING_BACK: return "STATUS_ROLLING_BACK"; 
            case Status.STATUS_UNKNOWN: return "STATUS_UNKNOWN"; 
       }
       return "REALLY_UNKNOWN";
    }   

}