protected int executeInsert(int paramIndex,
    PreparedStatement ps,
    EntityEnterpriseContext ctx) throws SQLException 
{
      int rows = ps.executeUpdate();
      // remove any JCA wrappers
      Statement stmt = ps;
      do
      {
         try
         {
            Object[] args = {};
            stmt = (Statement) getUnderlyingStatement.invoke(stmt, args);
         }
         catch (IllegalAccessException e)
         {
            SQLException ex = new SQLException("Failed to invoke getUnderlyingStatement");
            ex.initCause(e);
            throw ex;
         }
         catch (InvocationTargetException e)
         {
            SQLException ex = new SQLException("Failed to invoke getUnderlyingStatement");
            ex.initCause(e);
            throw ex;
         }
      } while (stmt != null && method.getDeclaringClass().isInstance(stmt) == false);
      ResultSet rs = null;
      try
      {
         rs = (ResultSet) method.invoke(stmt, null);
         if (!rs.next())
         {
            throw new EJBException("getGeneratedKeys returned an empty ResultSet");
         }
         pkField.loadInstanceResults(rs, 1, ctx);
      }
      catch (RuntimeException e)
      {
         throw e;
      }
      catch (Exception e)
      {
         // throw EJBException to force a rollback as the row has been inserted
         throw new EJBException("Error extracting generated keys", e);
      }
      finally
      {
         JDBCUtil.safeClose(rs);
      }
      return rows;
}

 public  void init(JDBCStoreManager manager) throws DeploymentException 
{
        
      super.init(manager);
      ClassLoader loader = GetTCLAction.getContextClassLoader();
      try
      {
         Class psClass = loader.loadClass(className);
         method = psClass.getMethod(methodName, null);
      }
      catch (ClassNotFoundException e)
      {
         throw new DeploymentException("Could not load driver class: " + className, e);
      }
      catch (NoSuchMethodException e)
      {
         throw new DeploymentException("Driver does not have method: " + methodName + "()");
      }
      try
      {
         Class wrapperClass = loader.loadClass("org.jboss.resource.adapter.jdbc.StatementAccess");
         getUnderlyingStatement = wrapperClass.getMethod("getUnderlyingStatement", null);
      }
      catch (ClassNotFoundException e)
      {
         throw new DeploymentException("Could not load org.jboss.resource.adapter.jdbc.StatementAccess", e);
      }
      catch (NoSuchMethodException e)
      {
         throw new DeploymentException("StatementAccess.getUnderlyingStatement not found", e);
      }
}

 protected  void initEntityCommand(JDBCEntityCommandMetaData entityCommand) throws DeploymentException 
{
      super.initEntityCommand(entityCommand);
      className = entityCommand.getAttribute("class-name");
      if (className == null)
      {
         className = "com.mysql.jdbc.PreparedStatement";
      }
      methodName = entityCommand.getAttribute("method");
      if (methodName == null)
      {
         methodName = "getGeneratedKeys";
      }
}