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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="../../../com/mxgraph/analysis/package-summary.html">com.mxgraph.analysis</a></div>
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<h2 title="Class mxTraversal" class="title">Class mxTraversal</h2>
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<pre>public class <span class="typeNameLabel">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
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graph structure. This does not include tree traversal methods.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/analysis/mxTraversal.html#mxTraversal--">mxTraversal</a></span>()</code></th>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>static java.util.List<java.util.Map<java.lang.Object,java.lang.Object>></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/analysis/mxTraversal.html#bellmanFord-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-">bellmanFord</a></span>​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex)</code></th>
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<td class="colLast">
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<div class="block">Implements the Bellman-Ford shortest path from startVertex to all vertices.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>static void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/analysis/mxTraversal.html#bfs-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-com.mxgraph.view.mxGraph.mxICellVisitor-">bfs</a></span>​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a> visitor)</code></th>
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<td class="colLast">
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<div class="block">Implements a recursive breadth first search starting from the specified
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cell.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>static void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/analysis/mxTraversal.html#dfs-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-com.mxgraph.view.mxGraph.mxICellVisitor-">dfs</a></span>​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a> visitor)</code></th>
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<td class="colLast">
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<div class="block">Implements a recursive depth first search starting from the specified
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cell.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>static void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><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></span>​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex,
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java.lang.Object endVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a> visitor)</code></th>
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<td class="colLast">
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<div class="block">Implements the Dijkstra's shortest path from startVertex to endVertex.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>static java.util.ArrayList<java.lang.Object[][]></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/analysis/mxTraversal.html#floydRoyWarshall-com.mxgraph.analysis.mxAnalysisGraph-">floydRoyWarshall</a></span>​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph)</code></th>
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<td class="colLast">
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<div class="block">Implements the Floyd-Roy-Warshall (aka WFI) shortest path algorithm between all vertices.</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>static java.lang.Object[]</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/analysis/mxTraversal.html#getWFIPath-com.mxgraph.analysis.mxAnalysisGraph-java.util.ArrayList-java.lang.Object-java.lang.Object-">getWFIPath</a></span>​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.util.ArrayList<java.lang.Object[][]> FWIresult,
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java.lang.Object startVertex,
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java.lang.Object targetVertex)</code></th>
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<td class="colLast">
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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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</td>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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</ul>
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<h3>Constructor Detail</h3>
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<a name="mxTraversal--">
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<h4>mxTraversal</h4>
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<pre>public mxTraversal()</pre>
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</li>
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<h3>Method Detail</h3>
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<a name="dfs-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-com.mxgraph.view.mxGraph.mxICellVisitor-">
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<h4>dfs</h4>
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<pre>public static void dfs​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a> visitor)</pre>
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<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.
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The visitor has access to the current cell and the edge traversed to
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find this cell. Every cell is processed once only.
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<pre>
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mxTraversal.bfs(analysisGraph, startVertex, new mxICellVisitor()
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{
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public boolean visit(Object vertex, Object edge)
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{
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// perform your processing on each cell here
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return false;
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}
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});
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</pre></div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aGraph</code> - the graph</dd>
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<dd><code>startVertex</code> - </dd>
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<dd><code>visitor</code> - </dd>
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</dl>
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</li>
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</ul>
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<a name="bfs-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-com.mxgraph.view.mxGraph.mxICellVisitor-">
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<h4>bfs</h4>
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<pre>public static void bfs​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a> visitor)</pre>
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<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.
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The visitor has access to the current cell and the edge traversed to
|
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find this cell. Every cell is processed once only.
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<pre>
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mxTraversal.bfs(analysisGraph, startVertex, new mxICellVisitor()
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{
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public boolean visit(Object vertex, Object edge)
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{
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// perform your processing on each cell here
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return false;
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}
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});
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</pre></div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aGraph</code> - the graph</dd>
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<dd><code>startVertex</code> - </dd>
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<dd><code>visitor</code> - </dd>
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</dl>
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</li>
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</ul>
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<a name="dijkstra-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-java.lang.Object-com.mxgraph.view.mxGraph.mxICellVisitor-">
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</a>
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<h4>dijkstra</h4>
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<pre>public static void dijkstra​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex,
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java.lang.Object endVertex,
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<a href="../../../com/mxgraph/view/mxGraph.mxICellVisitor.html" title="interface in com.mxgraph.view">mxGraph.mxICellVisitor</a> visitor)
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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 Dijkstra's shortest path from startVertex to endVertex.
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Process on the cell is performing by the visitor class passed in.
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The visitor has access to the current cell and the edge traversed to
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find this cell. Every cell is processed once only.
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<pre>
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mxTraversal.dijkstra(analysisGraph, startVertex, endVertex, new mxICellVisitor()
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{
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public boolean visit(Object vertex, Object edge)
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{
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// perform your processing on each cell here
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return false;
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}
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});
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</pre></div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aGraph</code> - </dd>
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<dd><code>startVertex</code> - </dd>
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<dd><code>endVertex</code> - </dd>
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<dd><code>visitor</code> - </dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<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>
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</dl>
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</li>
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</ul>
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<a name="bellmanFord-com.mxgraph.analysis.mxAnalysisGraph-java.lang.Object-">
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<h4>bellmanFord</h4>
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<pre>public static java.util.List<java.util.Map<java.lang.Object,java.lang.Object>> bellmanFord​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.lang.Object startVertex)
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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>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aGraph</code> - </dd>
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<dd><code>startVertex</code> - </dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>a List where List(0) is the distance map and List(1) is the parent map. See the example in GraphConfigDialog.java</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<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>
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</dl>
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</li>
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</ul>
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<a name="floydRoyWarshall-com.mxgraph.analysis.mxAnalysisGraph-">
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</a>
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<ul class="blockList">
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<h4>floydRoyWarshall</h4>
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<pre>public static java.util.ArrayList<java.lang.Object[][]> floydRoyWarshall​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph)
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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>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aGraph</code> - </dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>an ArrayList where ArrayList(0) is the distance map and List(1) is the path map. See the example in GraphConfigDialog.java</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<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>
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</dl>
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</li>
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</ul>
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<a name="getWFIPath-com.mxgraph.analysis.mxAnalysisGraph-java.util.ArrayList-java.lang.Object-java.lang.Object-">
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<ul class="blockListLast">
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<h4>getWFIPath</h4>
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<pre>public static java.lang.Object[] getWFIPath​(<a href="../../../com/mxgraph/analysis/mxAnalysisGraph.html" title="class in com.mxgraph.analysis">mxAnalysisGraph</a> aGraph,
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java.util.ArrayList<java.lang.Object[][]> FWIresult,
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java.lang.Object startVertex,
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java.lang.Object targetVertex)
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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>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>aGraph</code> - </dd>
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<dd><code>FWIresult</code> - - the result of the Floyd-Roy-Warhall algorithm</dd>
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<dd><code>startVertex</code> - </dd>
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<dd><code>targetVertex</code> - </dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>returns the shortest path from <b>startVertex</b> to <b>endVertex</b></dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<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>
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