%% 
%%  A DANTE-Edition example
%% 
%%  Example 32-01-14 on page 646.
%% 
%%  Copyright (C) 2010 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{225.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-uml}

\begin{document}
\begin{pspicture}(6,5)
\rput(3,3){\rnode{object1}{%
    \umlClass{object 1}{}}}
\pnode(0,1){pnode1}\psdot(pnode1)
\rput(6,1){\rnode{object2}{%
\umlClass{object 2}{attr1\\attr2\\\hline attr3}}}
\rput(2,1){\rnode{object3}{\umlClass{object3}{}}}
\rput(1,5){\rnode{object4}{\umlClass{object4}{}}}
\rput(4,5){\rnode{client}{\umlActor{client}}}
\ncline{->}{object1}{object3}
\ncline[doubleline=true]{<->}{object2}{client}
\ncline[linestyle=dashed]{<->}{pnode1}{client}
\ncline[linestyle=dashed]{<-}{object1}{object4}
\end{pspicture}
\end{document}