@Override public String toString() { OCLExpression bodyExpression = specification.getOwnedBody(); if (bodyExpression != null) { return "<" + delegateDomain.getURI() + ":query> " + bodyExpression; //$NON-NLS-1$ //$NON-NLS-2$ } else { return "<" + delegateDomain.getURI() + ":query> " + specification.getBody(); // $NON-NLS-1$ //$NON-NLS-2$ } }