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<HTML>
<!--
Copyright (c) Jeremy Siek 2000
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
-->
<Head>
<Title>MutablePropertyGraph</Title>
<BODY BGCOLOR="#ffffff" LINK="#0000ee" TEXT="#000000" VLINK="#551a8b"
ALINK="#ff0000">
<IMG SRC="../../../boost.png"
ALT="C++ Boost" width="277" height="86">
<BR Clear>
<H2>
<A NAME="sec:MutablePropertyGraph"></A>
MutablePropertyGraph
</H2>
A MutablePropertyGraph is a <a
href="./MutableGraph.html">MutableGraph</a> with properties attached
internally to the vertices and edges. When adding vertices and edges
the value of the properties can be given.
<H3>Refinement of</H3>
<a href="./MutableGraph.html">MutableGraph</a> and
<a href="./PropertyGraph.html">PropertyGraph</a>
<H3>Notation</H3>
<TABLE>
<TR>
<TD><tt>G</tt></TD>
<TD>A type that is a model of Graph.</TD>
</TR>
<TR>
<TD><tt>g</tt></TD>
<TD>An object of type <tt>G</tt>.</TD>
</TR>
<TR>
<TD><tt>e</tt></TD>
<TD>An object of type <tt>boost::graph_traits<G>::edge_descriptor</tt>.</TD>
</TR>
<TR>
<TD><tt>u,v</tt></TD>
<TD>are objects of type <tt>boost::graph_traits<G>::vertex_descriptor</tt>.</TD>
</TR>
<TR>
<TD><TT>ep</TT></TD><TD>is an object of type <TT>G::edge_property_type</TT></TD>
</TR>
<TR>
<TD><TT>vp</TT></TD><TD>is an object of type <TT>G::vertex_property_type</TT></TD>
</TR>
</TABLE>
<P>
<H3>Associated Types</H3>
<table border>
<tr>
<td>Edge Property Type </td>
<td><TT>graph_traits<G>::edge_property_type</TT></td>
</tr>
<tr>
<td>Vertex Property Type </td>
<td><TT>graph_traits<G>::vertex_property_type</TT> </td>
</tr>
</table>
<H3>Valid Expressions</h3>
<table border>
<tr>
<TD><TT>add_edge(u, v, ep, g)</TT></TD>
<TD>Inserts the edge <i>(u,v)</i> into the graph, and
copies object <TT>ep</TT> into the property for that edge.<br>
Return type: <TT>std::pair<edge_descriptor, bool></TT></TD>
</TR>
<tr>
<TD><TT>add_vertex(vp, g)</TT></TD>
<TD>
Add a new vertex to the graph and copy <TT>vp</TT> into the
property for the new vertex. The <TT>vertex_descriptor</TT> for the new
vertex is returned.<br>
Return type: <TT>vertex_descriptor</TT>
</TD>
</TR>
</TABLE>
<H3>Models</H3>
<UL>
<LI><TT>adjacency_list</TT></LI>
</UL>
<H3>Concept Checking Class</H3>
<P>
<PRE>
template <class G>
struct MutablePropertyGraphConcept
{
typedef typename boost::graph_traits<G>::edge_descriptor edge_descriptor;
void constraints() {
BOOST_CONCEPT_ASSERT(( MutableGraphConcept<G> ));
v = add_vertex(vp, g);
p = add_edge(u, v, ep, g);
}
G g;
std::pair<edge_descriptor, bool> p;
typename boost::graph_traits<G>::vertex_descriptor u, v;
typename boost::graph_traits<G>::vertex_property_type vp;
typename boost::graph_traits<G>::edge_property_type ep;
};
</PRE>
<br>
<HR>
<TABLE>
<TR valign=top>
<TD nowrap>Copyright © 2000-2001</TD><TD>
<A HREF="http://www.boost.org/people/jeremy_siek.htm">Jeremy Siek</A>, Indiana University (<A HREF="mailto:jsiek@osl.iu.edu">jsiek@osl.iu.edu</A>)
</TD></TR></TABLE>
</BODY>
</HTML>
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