gaService.setLocationAndSize(invisibleRectangle, context.getX(), context.getY(), width, height);
// create and set visible rectangle inside invisible rectangle
roundedRectangle = gaService.createRoundedRectangle(invisibleRectangle, 5, 5);
roundedRectangle.setParentGraphicsAlgorithm(invisibleRectangle);
roundedRectangle.setBackground(gaService.manageColor(getDiagram(), IColorConstant.WHITE));
roundedRectangle.setLineStyle(LineStyle.DOT);
gaService.setLocationAndSize(roundedRectangle, 0, 0, width, height);
// create link and wire it
link(containerShape, addedSubProcess);