graphtraversal.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

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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/graph/traverse/GraphTraversal.html#setWalker(org.geotools.graph.traverse.GraphWalker)">setWalker</A></B>(<A HREF="../../../../org/geotools/graph/traverse/GraphWalker.html" title="interface in org.geotools.graph.traverse">GraphWalker</A>&nbsp;walker)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the walker (visitor) traversing the graph.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/graph/traverse/GraphTraversal.html#traverse()">traverse</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Starts or resumes a traversal over the components of a graph.</TD>
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<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="CONTINUE"><!-- --></A><H3>
CONTINUE</H3>
<PRE>
public static final int <B>CONTINUE</B></PRE>
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<DD>Signals the traversal to continue
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.traverse.GraphTraversal.CONTINUE">Constant Field Values</A></DL>
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<A NAME="SUSPEND"><!-- --></A><H3>
SUSPEND</H3>
<PRE>
public static final int <B>SUSPEND</B></PRE>
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<DD>Signals the traversal to suspend at some intermediate point
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.traverse.GraphTraversal.SUSPEND">Constant Field Values</A></DL>
</DL>
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<A NAME="KILL_BRANCH"><!-- --></A><H3>
KILL_BRANCH</H3>
<PRE>
public static final int <B>KILL_BRANCH</B></PRE>
<DL>
<DD>Signals the traversal to kill the current branch
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<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.traverse.GraphTraversal.KILL_BRANCH">Constant Field Values</A></DL>
</DL>
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<A NAME="STOP"><!-- --></A><H3>
STOP</H3>
<PRE>
public static final int <B>STOP</B></PRE>
<DL>
<DD>Signals the traversal to stop
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<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.traverse.GraphTraversal.STOP">Constant Field Values</A></DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->


<!-- ============ METHOD DETAIL ========== -->

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<B>Method Detail</B></FONT></TD>
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<A NAME="setGraph(org.geotools.graph.structure.Graph)"><!-- --></A><H3>
setGraph</H3>
<PRE>
public void <B>setGraph</B>(<A HREF="../../../../org/geotools/graph/structure/Graph.html" title="interface in org.geotools.graph.structure">Graph</A>&nbsp;graph)</PRE>
<DL>
<DD>Sets the graph being traversed.
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<DD><DL>
<DT><B>Parameters:</B><DD><CODE>graph</CODE> - The graph whose components are being traversed.</DL>
</DD>
</DL>
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<A NAME="getGraph()"><!-- --></A><H3>
getGraph</H3>
<PRE>
public <A HREF="../../../../org/geotools/graph/structure/Graph.html" title="interface in org.geotools.graph.structure">Graph</A> <B>getGraph</B>()</PRE>
<DL>
<DD>Returns the graph being traversed.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The graph whose components are being traversed.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/graph/structure/Graph.html" title="interface in org.geotools.graph.structure"><CODE>Graph</CODE></A></DL>
</DD>
</DL>
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<A NAME="setIterator(org.geotools.graph.traverse.GraphIterator)"><!-- --></A><H3>
setIterator</H3>
<PRE>
public void <B>setIterator</B>(<A HREF="../../../../org/geotools/graph/traverse/GraphIterator.html" title="interface in org.geotools.graph.traverse">GraphIterator</A>&nbsp;iterator)</PRE>
<DL>
<DD>Sets the iterator that specifies the order in which visit graph components.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>iterator</CODE> - The iterator over the graph components.</DL>
</DD>
</DL>
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<A NAME="getIterator()"><!-- --></A><H3>
getIterator</H3>
<PRE>
public <A HREF="../../../../org/geotools/graph/traverse/GraphIterator.html" title="interface in org.geotools.graph.traverse">GraphIterator</A> <B>getIterator</B>()</PRE>
<DL>
<DD>Returns the iterator that specifies the order in which to visit graph 
 components.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The iterator over the graph components.<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/graph/traverse/GraphIterator.html" title="interface in org.geotools.graph.traverse"><CODE>GraphIterator</CODE></A></DL>
</DD>
</DL>
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<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>Sets the walker (visitor) traversing the graph.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>walker</CODE> - The walker being iterated over the components of the graph.</DL>
</DD>
</DL>
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<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>Returns the walker (visitor) traversing the graph of the graph.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The walker being iterated over the components.</DL>
</DD>
</DL>
<HR>

<A NAME="init()"><!-- --></A><H3>
init</H3>
<PRE>
public void <B>init</B>()</PRE>
<DL>
<DD>Initializes the traversal.
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<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="traverse()"><!-- --></A><H3>
traverse</H3>
<PRE>
public void <B>traverse</B>()</PRE>
<DL>
<DD>Starts or resumes a traversal over the components of a graph.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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<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>
</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>
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