Eclipse 3.4 JFace Data Binding

Eclipse JFace Data Binding
Eclipse Databinding with Eclipse RCP applications - Tutorial

// -- Main.java Eclipse 3.4 --
import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.PojoObservables;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;

public class Main extends Composite {

  private Spinner spinner = null;
  private Spinner spinner2 = null;

  public Main(Composite parent, int style) {
    super(parent, style);
    initialize();

    Model data = new Model();

    IObservableValue observe = PojoObservables.observeValue(data, "selection");
    DataBindingContext bc = new DataBindingContext();
    bc.bindValue(SWTObservables.observeSelection(spinner), observe, null, null);
    bc.bindValue(SWTObservables.observeSelection(spinner2), observe, null, null);

  }

  private void initialize() {
    this.setBounds(new Rectangle(0, 0, 300, 100));
    FillLayout fillLayout = new FillLayout();
    fillLayout.type = org.eclipse.swt.SWT.VERTICAL;
    spinner = new Spinner(this, SWT.NONE);
    spinner2 = new Spinner(this, SWT.NONE);
    this.setLayout(fillLayout);
  }

  public static void main(String[] args) {
    final Display display = Display.getDefault();
    Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
      public void run() {
        Shell shell = new Shell(display);
        shell.setLayout(new FillLayout());
        shell.setSize(new Point(300, 100));
        new Main(shell, SWT.NONE);
        shell.open();
        while (!shell.isDisposed()) {
          if (!display.readAndDispatch())
            display.sleep();
        }
      }
    });
    display.dispose();
  }

  class Model {
    private int selection;

    public void setSelection(int selection) {
      this.selection = selection;
    }

    public int getSelection() {
      return selection;
    }
  }

}