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<div class="subTitle">org.jgrapht.alg</div>
<h2 title="Class DijkstraShortestPath" class="title">Class DijkstraShortestPath&lt;V,E&gt;</h2>
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<li>org.jgrapht.alg.DijkstraShortestPath&lt;V,E&gt;</li>
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<pre>public final class <span class="strong">DijkstraShortestPath&lt;V,E&gt;</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">An implementation of <a
href="http://mathworld.wolfram.com/DijkstrasAlgorithm.html">Dijkstra's
shortest path algorithm</a> using <code>ClosestFirstIterator</code>.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>Sep 2, 2003</dd>
<dt><span class="strong">Author:</span></dt>
<dd>John V. Sichi</dd></dl>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../org/jgrapht/alg/DijkstraShortestPath.html#DijkstraShortestPath(org.jgrapht.Graph,%20V,%20V)">DijkstraShortestPath</a></strong>(<a href="../../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>,<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;&nbsp;graph,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;startVertex,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;endVertex)</code>
<div class="block">Creates and executes a new DijkstraShortestPath algorithm instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../org/jgrapht/alg/DijkstraShortestPath.html#DijkstraShortestPath(org.jgrapht.Graph,%20V,%20V,%20double)">DijkstraShortestPath</a></strong>(<a href="../../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>,<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;&nbsp;graph,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;startVertex,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;endVertex,
double&nbsp;radius)</code>
<div class="block">Creates and executes a new DijkstraShortestPath algorithm instance.</div>
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<td class="colFirst"><code>static &lt;V,E&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;E&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../org/jgrapht/alg/DijkstraShortestPath.html#findPathBetween(org.jgrapht.Graph,%20V,%20V)">findPathBetween</a></strong>(<a href="../../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;V,E&gt;&nbsp;graph,
V&nbsp;startVertex,
V&nbsp;endVertex)</code>
<div class="block">Convenience method to find the shortest path via a single static method
call.</div>
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</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../org/jgrapht/GraphPath.html" title="interface in org.jgrapht">GraphPath</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>,<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../org/jgrapht/alg/DijkstraShortestPath.html#getPath()">getPath</a></strong>()</code>
<div class="block">Return the path found.</div>
</td>
</tr>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../org/jgrapht/alg/DijkstraShortestPath.html#getPathEdgeList()">getPathEdgeList</a></strong>()</code>
<div class="block">Return the edges making up the path found.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../org/jgrapht/alg/DijkstraShortestPath.html#getPathLength()">getPathLength</a></strong>()</code>
<div class="block">Return the weighted length of the path found.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>DijkstraShortestPath</h4>
<pre>public&nbsp;DijkstraShortestPath(<a href="../../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>,<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;&nbsp;graph,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;startVertex,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;endVertex)</pre>
<div class="block">Creates and executes a new DijkstraShortestPath algorithm instance. An
instance is only good for a single search; after construction, it can be
accessed to retrieve information about the path found.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>graph</code> - the graph to be searched</dd><dd><code>startVertex</code> - the vertex at which the path should start</dd><dd><code>endVertex</code> - the vertex at which the path should end</dd></dl>
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<h4>DijkstraShortestPath</h4>
<pre>public&nbsp;DijkstraShortestPath(<a href="../../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>,<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;&nbsp;graph,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;startVertex,
<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>&nbsp;endVertex,
double&nbsp;radius)</pre>
<div class="block">Creates and executes a new DijkstraShortestPath algorithm instance. An
instance is only good for a single search; after construction, it can be
accessed to retrieve information about the path found.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>graph</code> - the graph to be searched</dd><dd><code>startVertex</code> - the vertex at which the path should start</dd><dd><code>endVertex</code> - the vertex at which the path should end</dd><dd><code>radius</code> - limit on weighted path length, or Double.POSITIVE_INFINITY
for unbounded search</dd></dl>
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<h4>getPathEdgeList</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;&nbsp;getPathEdgeList()</pre>
<div class="block">Return the edges making up the path found.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>List of Edges, or null if no path exists</dd></dl>
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<h4>getPath</h4>
<pre>public&nbsp;<a href="../../../org/jgrapht/GraphPath.html" title="interface in org.jgrapht">GraphPath</a>&lt;<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">V</a>,<a href="../../../org/jgrapht/alg/DijkstraShortestPath.html" title="type parameter in DijkstraShortestPath">E</a>&gt;&nbsp;getPath()</pre>
<div class="block">Return the path found.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>path representation, or null if no path exists</dd></dl>
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<h4>getPathLength</h4>
<pre>public&nbsp;double&nbsp;getPathLength()</pre>
<div class="block">Return the weighted length of the path found.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>path length, or Double.POSITIVE_INFINITY if no path exists</dd></dl>
</li>
</ul>
<a name="findPathBetween(org.jgrapht.Graph,java.lang.Object,java.lang.Object)">
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<h4>findPathBetween</h4>
<pre>public static&nbsp;&lt;V,E&gt;&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;E&gt;&nbsp;findPathBetween(<a href="../../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;V,E&gt;&nbsp;graph,
V&nbsp;startVertex,
V&nbsp;endVertex)</pre>
<div class="block">Convenience method to find the shortest path via a single static method
call. If you need a more advanced search (e.g. limited by radius, or
computation of the path length), use the constructor instead.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>graph</code> - the graph to be searched</dd><dd><code>startVertex</code> - the vertex at which the path should start</dd><dd><code>endVertex</code> - the vertex at which the path should end</dd>
<dt><span class="strong">Returns:</span></dt><dd>List of Edges, or null if no path exists</dd></dl>
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