@Singleton
public class Page {
  public static Page instance;
  private Composite parent;

  public Page() {
    instance = this;
  }

  private void clear(){
    panel.dispose();
    createPanel();
  }

  @Inject
  public void init(Composite parent) {
    this.parent = parent;
    createPanel();
  }

  private void createPanel() {
    panel = new Composite(parent, SWT.NONE);
    // column creation code
  }

  private void register(RowProvider row){
    // row information code
  }

  public void update(InfoObject infoObject){
    clear();
    // register the RowProviders used on this page
  }