if (exec != null) execution = exec.getChainExecution(); registry.getEventBus().post(
if (exec != null) { execution = exec.getChainExecution(); registry.getEventBus().post(
	private void displayHint(MouseEvent e) {		xLoc = e.getX();		yLoc = e.getY();		ExecutionView exec = getViewAt(xLoc,yLoc);		if ( exec != currentExecution && pressSelected == false) {			currentExecution = exec;			MouseOverChainExecutionEvent event;			ChainExecutionData execution = null;			if (exec != null)				execution = exec.getChainExecution(); 			registry.getEventBus().post(					new MouseOverChainExecutionEvent(execution));			// if we didn't mouse over an event					}		currentHash = null;		if (currentExecution == null) {			currentHash = gridModel.getHashAt(xLoc,yLoc);			if (currentHash == null) 				currentRowDecoration = gridModel.getRowDecorationAt(xLoc,yLoc);		}		repaint();	}