Initial opendaylight infrastructure commit!!

[controller.git] / third-party / net.sf.jung2 / src / main / java / edu / uci / ics / jung / algorithms / scoring / util / VertexScoreTransformer.java

diff --git a/third-party/net.sf.jung2/src/main/java/edu/uci/ics/jung/algorithms/scoring/util/VertexScoreTransformer.java b/third-party/net.sf.jung2/src/main/java/edu/uci/ics/jung/algorithms/scoring/util/VertexScoreTransformer.java
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+/*
+ * Created on Jul 18, 2008
+ *
+ * Copyright (c) 2008, the JUNG Project and the Regents of the University 
+ * of California
+ * All rights reserved.
+ *
+ * This software is open-source under the BSD license; see either
+ * "license.txt" or
+ * http://jung.sourceforge.net/license.txt for a description.
+ */
+package edu.uci.ics.jung.algorithms.scoring.util;
+
+import org.apache.commons.collections15.Transformer;
+
+import edu.uci.ics.jung.algorithms.scoring.VertexScorer;
+
+/**
+ * A Transformer convenience wrapper around VertexScorer.
+ */
+public class VertexScoreTransformer<V, S> implements Transformer<V, S>
+{
+    /**
+     * The VertexScorer instance that provides the values returned by <code>transform</code>.
+     */
+    protected VertexScorer<V,S> vs;
+
+    /**
+     * Creates an instance based on the specified VertexScorer.
+     */
+    public VertexScoreTransformer(VertexScorer<V,S> vs)
+    {
+        this.vs = vs;
+    }
+
+    /**
+     * Returns the score for this vertex.
+     */
+    public S transform(V v)
+    {
+        return vs.getVertexScore(v);
+    }
+
+}