Bug 122254 Not Like operator is missing in the Filter tab of Data Set window
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
public void visitList( ListHandle handle )
	{
		
		ListItemDesign listItem = new ListItemDesign( );
		setupListingItem( listItem, handle );
		
		SlotHandle headerSlot = handle.getHeader( );
		listItem.setHeader( createListBand( headerSlot ) );
		
		SlotHandle groupsSlot = handle.getGroups( );
		for ( int i = 0; i < groupsSlot.getCount( ); i++ )
		{
			apply( groupsSlot.get( i ) );
			if ( currentElement != null )
			{
				listItem.addGroup( (ListGroupDesign) currentElement );
			}
		}
		
		SlotHandle detailSlot = handle.getDetail( );
		listItem.setDetail( createListBand( detailSlot ) );
		
		SlotHandle footerSlot = handle.getFooter( );
		listItem.setFooter( createListBand( footerSlot ) );
		currentElement = listItem;
	}
	public void visitFreeForm( FreeFormHandle handle )
	{
		
		FreeFormItemDesign container = new FreeFormItemDesign( );