basicgraphtraversal.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

<A NAME="setWalker(org.geotools.graph.traverse.GraphWalker)"><!-- --></A><H3>
setWalker</H3>
<PRE>
public void <B>setWalker</B>(<A HREF="../../../../../org/geotools/graph/traverse/GraphWalker.html" title="interface in org.geotools.graph.traverse">GraphWalker</A>&nbsp;walker)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></B></DD>
<DD>Sets the walker (visitor) traversing the graph.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#setWalker(org.geotools.graph.traverse.GraphWalker)">setWalker</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - The walker being iterated over the components of the graph.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#setWalker(org.geotools.graph.traverse.GraphWalker)"><CODE>GraphTraversal.setWalker(GraphWalker)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getWalker()"><!-- --></A><H3>
getWalker</H3>
<PRE>
public <A HREF="../../../../../org/geotools/graph/traverse/GraphWalker.html" title="interface in org.geotools.graph.traverse">GraphWalker</A> <B>getWalker</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></B></DD>
<DD>Returns the walker (visitor) traversing the graph of the graph.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#getWalker()">getWalker</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The walker being iterated over the components.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#getWalker()"><CODE>GraphTraversal.getWalker()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="init()"><!-- --></A><H3>
init</H3>
<PRE>
public void <B>init</B>()</PRE>
<DL>
<DD>Resets the visited flag and counts of all nodes of the graph.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#init()">init</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#init()"><CODE>GraphTraversal.init()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="traverse()"><!-- --></A><H3>
traverse</H3>
<PRE>
public void <B>traverse</B>()</PRE>
<DL>
<DD>Upon each iteration of the traversal, a component is returned from the 
 iterator and passed to the visitor. The traversal interprets the return 
 codes from the walker and performs the following actions. <BR>
 <BR>
 <TABLE border="1" width="60%" style="font-family:Arial;font-size=10pt">
   <TH width="20%">Code</TH>
   <TH width="40%">Action Performed</TH>
   <TR>
     <TD align="center">CONTINUE</TD>
     <TD>The traversal instructs the iterator to continue and starts the 
         next stage of iteration.</TD>
   </TR>
  <TR>
     <TD align="center">SUSPEND</TD>
     <TD>The traversal instructs the iterator to continue but does not start
         the next stage of iteration, returning from traverse().</TD> 
  </TR>
  <TR>
     <TD align="center">KILL_BRANCH</TD>
     <TD>The traversal instructs the iterator to kill the current branch
         and starts the next stage of iteration.</TD>
   </TR>
  <TR>
     <TD align="center">STOP</TD>
     <TD>The traversal does not instruct the iterator to continue and
         does not start the next of iteration, returning from traverse()
     </TD>
   </TR>
 </TABLE>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#traverse()">traverse</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#traverse()"><CODE>GraphTraversal.traverse()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setVisited(org.geotools.graph.structure.Graphable, boolean)"><!-- --></A><H3>
setVisited</H3>
<PRE>
public void <B>setVisited</B>(<A HREF="../../../../../org/geotools/graph/structure/Graphable.html" title="interface in org.geotools.graph.structure">Graphable</A>&nbsp;g,
                       boolean&nbsp;visited)</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#setVisited(org.geotools.graph.structure.Graphable, boolean)">setVisited</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isVisited(org.geotools.graph.structure.Graphable)"><!-- --></A><H3>
isVisited</H3>
<PRE>
public boolean <B>isVisited</B>(<A HREF="../../../../../org/geotools/graph/structure/Graphable.html" title="interface in org.geotools.graph.structure">Graphable</A>&nbsp;g)</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html#isVisited(org.geotools.graph.structure.Graphable)">isVisited</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/traverse/GraphTraversal.html" title="interface in org.geotools.graph.traverse">GraphTraversal</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>


<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
<TR>
<TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
  <TR ALIGN="center" VALIGN="top">
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/BasicGraphTraversal.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../../org/geotools/graph/traverse/basic/AbstractGraphIterator.html" title="class in org.geotools.graph.traverse.basic"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../../org/geotools/graph/traverse/basic/CountingWalker.html" title="class in org.geotools.graph.traverse.basic"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../../../index.html" target="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="BasicGraphTraversal.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<SCRIPT type="text/javascript">
  <!--
  if(window==top) {
    document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>');
  }
  //-->
</SCRIPT>
<NOSCRIPT>
  <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>
</NOSCRIPT>

</FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>
Copyright &copy; 1996-2007 <a href="http://www.geotools.org">Geotools</a>. All Rights Reserved.
</BODY>
</HTML>