documentclass{article}
usepackage[dvipsnames]{xcolor}
usepackage{tikz,tikz-cd}
usetikzlibrary{shapes,fit}
usetikzlibrary{positioning}
usetikzlibrary{decorations.pathmorphing}

newcommand*dirinfsymname{Rightarrow}
newcommand*directdatacolourname{PineGreen}
newcommand*directdatacolour{textcolor{directdatacolourname}}
newcommand*dirinfsym{mathbin{directdatacolour{Rightarrow}}}

newcommand{pathdirinfsym}[1][]{mathrel{
  vphantom{dirinfsym{#1}}
  smash{dirinfsym{#1}}
  vphantom{to}^{textcolor{PineGreen}{*}}}
}

begin{document}

$a pathdirinfsym b$

begin{tikzcd}[
    column sep=small,
    cells={nodes={draw=black, ellipse, anchor=center, minimum height=2em}}
]
    a arrow[dirinfsymname, r, directdatacolourname] arrow[dirinfsymname, directdatacolourname, bend left]{rrrrr}{*} & a arrow[dirinfsymname, r, directdatacolourname] & a arrow[dirinfsymname, r, directdatacolourname] & |[draw=none]|avphantom{1} arrow[dirinfsymname, r, directdatacolourname] & a arrow[dirinfsymname, r, directdatacolourname] & a
end{tikzcd}

end{document}