private void handleNodeInstanceSelection(String nodeId) {
boolean found = false;
Iterator iterator = ((ProcessEditPart) graphicalViewer.getContents()).getChildren().iterator();
while (iterator.hasNext()) {
ElementEditPart elementEditPart = (ElementEditPart) iterator.next();
if (((ElementWrapper) elementEditPart.getModel()).getId().equals(nodeId)) {
((ElementFigure) elementEditPart.getFigure()).setSelected(true);
found = true;
break;
}
}
if (!found) {