Initial opendaylight infrastructure commit!!

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

diff --git a/third-party/net.sf.jung2/src/main/java/edu/uci/ics/jung/algorithms/util/MapSettableTransformer.java b/third-party/net.sf.jung2/src/main/java/edu/uci/ics/jung/algorithms/util/MapSettableTransformer.java
new file mode 100644 (file)
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+++ b/third-party/net.sf.jung2/src/main/java/edu/uci/ics/jung/algorithms/util/MapSettableTransformer.java
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+/*
+ * Created on Aug 5, 2007
+ *
+ * Copyright (c) 2007, 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.util;
+
+import java.util.Map;
+
+
+/**
+ * A <code>SettableTransformer</code> that operates on an underlying <code>Map</code> instance.
+ * Similar to <code>MapTransformer</code>.
+ * 
+ * @author Joshua O'Madadhain
+ */
+public class MapSettableTransformer<I, O> implements SettableTransformer<I, O>
+{
+    protected Map<I,O> map;
+    
+    /**
+     * Creates an instance based on <code>m</code>.
+     */
+    public MapSettableTransformer(Map<I,O> m)
+    {
+        this.map = m;
+    }
+
+    public O transform(I input)
+    {
+        return map.get(input);
+    }
+
+    public void set(I input, O output)
+    {
+        map.put(input, output);
+    }
+}