public synchronized void updateElement(int index) {
	
	System.out.println("Updating index "  + index);
	// get the object from the cache
	T nextElement = ((ILazyLoadingDAO<T>) this.getDao()).get( index );
	
	
	// update the UI
	this.tableViewer.replace(nextElement, index);
    }

public class View extends ViewPart {
	public static final String ID = "RCPEXAMPLE.view";

	private TableViewer viewer;

	class ViewLabelProvider extends LabelProvider implements
			ITableLabelProvider {
		public String getColumnText(Object obj, int index) {
			return getText(obj);
		}

		public Image getColumnImage(Object obj, int index) {
			return getImage(obj);
		}

		public Image getImage(Object obj) {
			return PlatformUI.getWorkbench().getSharedImages().getImage(
					ISharedImages.IMG_OBJ_ELEMENT);
		}
	}

	public void createPartControl(Composite parent) {



	    
		viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.VIRTUAL
				| SWT.V_SCROLL);
		ViewContentProvider provider = new ViewContentProvider( viewer );
		viewer.setContentProvider( provider );
		viewer.setLabelProvider(new ViewLabelProvider());
		viewer.setInput( null );
		viewer.setItemCount( 100 );



	}


	public void setFocus() {
	    viewer.getControl().setFocus();
	    
	}


class ViewContentProvider implements IStructuredContentProvider, ILazyContentProvider {
    private List<String> content = null;
    private Viewer myView = null;
    
	public void inputChanged(Viewer v, Object oldInput, Object newInput) {
	    System.out.println("Input changed!");
	    if( newInput instanceof List )
		content = (List<String>) newInput;
	    else
		System.out.println("Input changed with " + newInput);
	    
	    this.myView.refresh();
	}

	public void dispose() {
	}

	public Object[] getElements(Object parent) {
		return content.toArray();
	}
	
	public ViewContentProvider( Viewer view){
	    super();
	    this.myView = view;
	}

	@Override
	public void updateElement(int index) {
	    System.out.println("Updating element " + index );
	    TableViewer tableviewer = (TableViewer) myView;
	    tableviewer.replace( new String ("Element " + index), index);
	    
	    
	}
	
}

}