/** @Override */ @Override protected void createDefaultEditPolicies() { super.createDefaultEditPolicies(); installEditPolicy( EditPolicyRoles.SEMANTIC_ROLE, new CustomDurationConstraintItemSemanticEditPolicy()); // install a editpolicy to display stereotypes, there's a bug on super class. installEditPolicy( AppliedStereotypeCommentCreationEditPolicy.APPLIED_STEREOTYPE_COMMENT, new AppliedStereotypeCommentCreationEditPolicyEx()); }