Java swing: Jtable with many models and custom renderer
resultTable = new javax.swing.JTable(){
    private Border outside = new MatteBorder(1, 0, 1, 0, Color.BLACK);
    private Border inside = new EmptyBorder(0, 1, 0, 1);
    private Border highlight = new CompoundBorder(outside, inside);
    public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
        Component c = super.prepareRenderer(renderer, row, column);
        JComponent jc = (JComponent) c;
        //  Color row based on a cell value
        if (!isRowSelected(row)) {
            c.setBackground(getBackground());
            int modelRow = convertRowIndexToModel(row);
            if (getStatus().equals("status1")) {
                myFirstTableModel model = (myFirstTableModel ) resultTable.getModel();
                if ((model.getObjectAtRow(modelRow).getMsg().getRegNumIn() == 3)) {
                    c.setBackground(new Color(255, 244, 148));//YELLOW - needs attension
                }
            } else if (getStatus().equals("status2")) {
                mySecondTableModel model = (mySecondTableModel) resultTable.getModel();

                if (model.getObjectAtRow(modelRow).getMsg().getTask() == 2) {
                    c.setBackground(new Color(210, 245, 176));//GREEN - got attension
                }
            }
        } else if (isRowSelected(row)) {
            jc.setBorder(highlight);
            c.setBackground(new Color(201, 204, 196));
        }
        return c;
    }
};

final WaitDialog dialog = new WaitDialog(new javax.swing.JFrame(), true);
    dialog.addWindowListener(new java.awt.event.WindowAdapter() {
});
SwingWorker worker = new SwingWorker() {
    @Override
    protected Object doInBackground() throws Exception {
        setStatus("status2");
        Refresh();
        return 0;
    }
    @Override
    public void done() {
        dialog.dispose();
    }
};

worker.execute();
dialog.setVisible(true);

if (getMainFrameStatus().equals("status2")) {
     @Override
                public void run() {
                    //Update the model here

                    resultTable.setModel(new mySecondTableModel(data));
                }
            });

Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: myFirstTableModel cannot be cast to mySecondTableModel at mySecondTableModel model = (mySecondTableModel) resultTable.getModel();

public interface StatusAware {

      enum Status {

           NORMAL,
           GOT_ATTENTION,
           NEEDS_ATTENTION,
           ...

      }
      public Status getStatus(int modelIndex);
}

public class MyFirstTableModel extends AbstractTableModel implements StatusAware {

       public Statuc getStatus(int modelRow) {
           boolean needsAttention = getObjectAtRow(modelRow).getMsg().getRegNumIn() == 3;
           return needsAttention ? NEEDS_ATTENTION : NORMAL;
       }

       ....
}


public class MySecondTableModel extends AbstractTableModel implements StatusAware {

       public Statuc getStatus(int modelRow) {
           return // the status of the given row
       }

       ....
}

public class MyTable extends JTable { // if you insist on not using JXTable


      public Component prepareRenderer(...) {
            Component comp = super(...)
            if (getModel() instanceof StatusAware {
                 Status status = ((StatusAware) getModel()).getStatus(convertRowIndexToModel(row));
                 if (NEEDS_ATTENTION == status) {
                       ...
                 } else if (...) {
                      ...
                 }
            }
            return comp;
       }
}

HighlightPredicate feverWarning = new HighlightPredicate() {
         int temperatureColumn = 10;

         public boolean isHighlighted(Component component, ComponentAdapter adapter) {
             return hasFever(adapter.getValue(temperatureColumn));
         }

         private boolean hasFever(Object value) {
             if (!value instanceof Number)
                 return false;
             return ((Number) value).intValue() > 37;
         }
     };

     Highlighter hl = new ColorHighlighter(feverWarning, Color.RED, null);
     table.addHighlighter(hl);

if (adapter.getComponent() instanceof JTable) {
      JTable table = (JTable) adapter.getComponent();
      TableModel model = table.getModel();
      if (model instanceof MyModel) {
          int modelRow = adapter.convertRowIndexToModel(adapter.row);
          MyObject object = ((MyModel).getRowObjectAt(modelRow));
          ... // check the object
      }
  }

SwingUtilities.invokeLater(...)

SwingUtilities.invokeAndWait(...)