X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Futil%2FVisitableMap.java;h=c57b7c80eb9aa537e87321a80d180607bc1fcd90;hb=61566402d83d5c06d57fb850e60ca0f82c27b9a2;hp=314f55e3d9e2f586e0f30e1934597f395878b834;hpb=d334d5060dbaa23f8f94b60cf1238c3f47cb5e9f;p=sbp.git

diff --git a/src/edu/berkeley/sbp/util/VisitableMap.java b/src/edu/berkeley/sbp/util/VisitableMap.java
index 314f55e..c57b7c8 100644
--- a/src/edu/berkeley/sbp/util/VisitableMap.java
+++ b/src/edu/berkeley/sbp/util/VisitableMap.java
@@ -1,10 +1,11 @@
-// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
 
 package edu.berkeley.sbp.util;
 import java.util.*;
+import java.io.*;
 
 /** a Map that knows how to apply an Invokable to all its elements */
-public interface VisitableMap<K,V> {
+public interface VisitableMap<K,V> extends Serializable {
 
     /** invokes <tt>ivbc</tt> on each element of this map, passing constant arguments <tt>b</tt> and <tt>c</tt> */
     public <B> void invoke(K k, Invokable<V,B> ivbc, B b);