Ellipse circle = GraphicsUtil.createIntermediateEventCircle(ellipse);
circle.setStyle(StyleUtil.getStyleForClass(getDiagram()));
createDIShape(containerShape, event);
ChopboxAnchor anchor = peService.createChopboxAnchor(containerShape);
anchor.setReferencedGraphicsAlgorithm(ellipse);
AnchorUtil.addFixedPointAnchors(containerShape, ellipse);
Activity activity = event.getAttachedToRef();
PictogramElement foundElem = BusinessObjectUtil.getFirstBaseElementFromDiagram(getDiagram(), activity);
if (foundElem != null && foundElem instanceof ContainerShape) {