X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Futil%2FIntegerTopology.java;h=55ac0821fb4fdf293acee634ec444b8025a153f5;hb=fec264a3cce7bb2f0016343c86c3cc63d7321eac;hp=71e9df9f6a1df4ce860772a34f1c623511cd3a0a;hpb=e42e16515f4392017a8109922d37dcd0926f915a;p=sbp.git

diff --git a/src/edu/berkeley/sbp/util/IntegerTopology.java b/src/edu/berkeley/sbp/util/IntegerTopology.java
index 71e9df9..55ac082 100644
--- a/src/edu/berkeley/sbp/util/IntegerTopology.java
+++ b/src/edu/berkeley/sbp/util/IntegerTopology.java
@@ -1,3 +1,5 @@
+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
+
 package edu.berkeley.sbp.util;
 import java.io.*;
 import java.util.*;
@@ -7,7 +9,7 @@ import edu.berkeley.sbp.*;
 import edu.berkeley.sbp.util.*;
 
 /** implementation of <tt>Topology</tt> for any class for which there is a mapping to the <tt>int</tt>s */
-public class IntegerTopology<V> implements Topology<V> {
+public class IntegerTopology<V> implements Topology<V>, Serializable {
 
     private final Range.Set rs;
     private final Functor<V,Integer> f;
@@ -15,6 +17,7 @@ public class IntegerTopology<V> implements Topology<V> {
     private int toInt(V v) { return f==null?((IntegerMappable)v).toInt():f.invoke(v); }
 
     public Range.Set getRanges()         { return new Range.Set(rs); }
+    public Functor<V,Integer> functor() { return f; }
 
     public IntegerTopology(Functor<V,Integer> f)               { this(f, new Range.Set()); }
     public IntegerTopology(Functor<V,Integer> f, V a)          { this(f, f==null?((IntegerMappable)a).toInt():f.invoke(a)); }