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<title>mxTraversal (mxGraph 3.1.1.1 API Specification)</title>
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<div class="header">
<div class="subTitle">com.mxgraph.analysis</div>
<h2 title="Class mxTraversal" class="title">Class mxTraversal</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
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<li>java.lang.Object</li>
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<pre>public class <span class="strong">mxTraversal</span>
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extends java.lang.Object</pre>
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<div class="block">Implements a collection of utility methods for traversing the
graph structure. This does not include tree traversal methods.</div>
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</ul>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#mxTraversal()">mxTraversal</a></strong>()</code>&nbsp;</td>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
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<td class="colFirst"><code>static java.util.List&lt;java.util.Map&lt;java.lang.Object,java.lang.Object&gt;&gt;</code></td>
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<td class="colLast"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#bellmanFord(com.mxgraph.analysis.mxAnalysisGraph, java.lang.Object)">bellmanFord</a></strong>(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex)</code>
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<div class="block">Implements the Bellman-Ford shortest path from startVertex to all vertices.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#bfs(com.mxgraph.analysis.mxAnalysisGraph, java.lang.Object, com.mxgraph.view.mxGraph.mxICellVisitor)">bfs</a></strong>(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a>&nbsp;visitor)</code>
<div class="block">Implements a recursive breadth first search starting from the specified
cell.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#dfs(com.mxgraph.analysis.mxAnalysisGraph, java.lang.Object, com.mxgraph.view.mxGraph.mxICellVisitor)">dfs</a></strong>(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a>&nbsp;visitor)</code>
<div class="block">Implements a recursive depth first search starting from the specified
cell.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#dijkstra(com.mxgraph.analysis.mxAnalysisGraph, java.lang.Object, java.lang.Object, com.mxgraph.view.mxGraph.mxICellVisitor)">dijkstra</a></strong>(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex,
java.lang.Object&nbsp;endVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a>&nbsp;visitor)</code>
<div class="block">Implements the Dijkstra's shortest path from startVertex to endVertex.</div>
</td>
</tr>
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<td class="colFirst"><code>static java.util.ArrayList&lt;java.lang.Object[][]&gt;</code></td>
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<td class="colLast"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#floydRoyWarshall(com.mxgraph.analysis.mxAnalysisGraph)">floydRoyWarshall</a></strong>(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph)</code>
<div class="block">Implements the Floyd-Roy-Warshall (aka WFI) shortest path algorithm between all vertices.</div>
</td>
</tr>
<tr class="rowColor">
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<td class="colFirst"><code>static java.lang.Object[]</code></td>
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<td class="colLast"><code><strong><a href="../../../com/mxgraph/analysis/mxTraversal.html#getWFIPath(com.mxgraph.analysis.mxAnalysisGraph, java.util.ArrayList, java.lang.Object, java.lang.Object)">getWFIPath</a></strong>(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.util.ArrayList&lt;java.lang.Object[][]&gt;&nbsp;FWIresult,
java.lang.Object&nbsp;startVertex,
java.lang.Object&nbsp;targetVertex)</code>
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<div class="block">This method helps the user to get the desired data from the result of the Floyd-Roy-Warshall algorithm.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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</ul>
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<h4>mxTraversal</h4>
<pre>public&nbsp;mxTraversal()</pre>
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<h4>dfs</h4>
<pre>public static&nbsp;void&nbsp;dfs(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a>&nbsp;visitor)</pre>
<div class="block">Implements a recursive depth first search starting from the specified
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cell. Process on the cell is performing by the visitor class passed in.
The visitor has access to the current cell and the edge traversed to
find this cell. Every cell is processed once only.
<pre>
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mxTraversal.bfs(analysisGraph, startVertex, new mxICellVisitor()
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{
public boolean visit(Object vertex, Object edge)
{
// perform your processing on each cell here
return false;
}
});
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</pre></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>aGraph</code> - the graph</dd><dd><code>startVertex</code> - </dd><dd><code>visitor</code> - </dd></dl>
</li>
</ul>
<a name="bfs(com.mxgraph.analysis.mxAnalysisGraph, java.lang.Object, com.mxgraph.view.mxGraph.mxICellVisitor)">
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<h4>bfs</h4>
<pre>public static&nbsp;void&nbsp;bfs(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a>&nbsp;visitor)</pre>
<div class="block">Implements a recursive breadth first search starting from the specified
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cell. Process on the cell is performing by the visitor class passed in.
The visitor has access to the current cell and the edge traversed to
find this cell. Every cell is processed once only.
<pre>
mxTraversal.bfs(analysisGraph, startVertex, new mxICellVisitor()
{
public boolean visit(Object vertex, Object edge)
{
// perform your processing on each cell here
return false;
}
});
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</pre></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>aGraph</code> - the graph</dd><dd><code>startVertex</code> - </dd><dd><code>visitor</code> - </dd></dl>
</li>
</ul>
<a name="dijkstra(com.mxgraph.analysis.mxAnalysisGraph, java.lang.Object, java.lang.Object, com.mxgraph.view.mxGraph.mxICellVisitor)">
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<h4>dijkstra</h4>
<pre>public static&nbsp;void&nbsp;dijkstra(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
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java.lang.Object&nbsp;startVertex,
java.lang.Object&nbsp;endVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a>&nbsp;visitor)
throws <a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></pre>
<div class="block">Implements the Dijkstra's shortest path from startVertex to endVertex.
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Process on the cell is performing by the visitor class passed in.
The visitor has access to the current cell and the edge traversed to
find this cell. Every cell is processed once only.
<pre>
mxTraversal.dijkstra(analysisGraph, startVertex, endVertex, new mxICellVisitor()
{
public boolean visit(Object vertex, Object edge)
{
// perform your processing on each cell here
return false;
}
});
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</pre></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>aGraph</code> - </dd><dd><code>startVertex</code> - </dd><dd><code>endVertex</code> - </dd><dd><code>visitor</code> - </dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></code> - - The current Dijkstra algorithm only works for connected graphs</dd></dl>
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<h4>bellmanFord</h4>
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<pre>public static&nbsp;java.util.List&lt;java.util.Map&lt;java.lang.Object,java.lang.Object&gt;&gt;&nbsp;bellmanFord(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
java.lang.Object&nbsp;startVertex)
throws <a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></pre>
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<div class="block">Implements the Bellman-Ford shortest path from startVertex to all vertices.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>aGraph</code> - </dd><dd><code>startVertex</code> - </dd>
<dt><span class="strong">Returns:</span></dt><dd>a List where List(0) is the distance map and List(1) is the parent map. See the example in GraphConfigDialog.java</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></code> - - The Bellman-Ford algorithm only works for graphs without negative cycles</dd></dl>
</li>
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<a name="floydRoyWarshall(com.mxgraph.analysis.mxAnalysisGraph)">
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<h4>floydRoyWarshall</h4>
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<pre>public static&nbsp;java.util.ArrayList&lt;java.lang.Object[][]&gt;&nbsp;floydRoyWarshall(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph)
throws <a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></pre>
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<div class="block">Implements the Floyd-Roy-Warshall (aka WFI) shortest path algorithm between all vertices.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>aGraph</code> - </dd>
<dt><span class="strong">Returns:</span></dt><dd>an ArrayList where ArrayList(0) is the distance map and List(1) is the path map. See the example in GraphConfigDialog.java</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></code> - - The Floyd-Roy-Warshall algorithm only works for graphs without negative cycles</dd></dl>
</li>
</ul>
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<h4>getWFIPath</h4>
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<pre>public static&nbsp;java.lang.Object[]&nbsp;getWFIPath(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a>&nbsp;aGraph,
java.util.ArrayList&lt;java.lang.Object[][]&gt;&nbsp;FWIresult,
java.lang.Object&nbsp;startVertex,
java.lang.Object&nbsp;targetVertex)
throws <a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></pre>
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<div class="block">This method helps the user to get the desired data from the result of the Floyd-Roy-Warshall algorithm.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>aGraph</code> - </dd><dd><code>FWIresult</code> - - the result of the Floyd-Roy-Warhall algorithm</dd><dd><code>startVertex</code> - </dd><dd><code>targetVertex</code> - </dd>
<dt><span class="strong">Returns:</span></dt><dd>returns the shortest path from <b>startVertex</b> to <b>endVertex</b></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../com/mxgraph/analysis/StructuralException.html" title="class in com.mxgraph.analysis">StructuralException</a></code> - - The Floyd-Roy-Warshall algorithm only works for graphs without negative cycles</dd></dl>
</li>
</ul>
</li>
</ul>
</li>
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</div>
</div>
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