X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Futil%2FTopologicalBag.java;fp=src%2Fedu%2Fberkeley%2Fsbp%2Futil%2FTopologicalBag.java;h=e3bd1b70691ab5060e28c730554c2607545c2061;hp=eb71cdc6641ffd00520cacd38197fd2d09f9c957;hb=eeb3a8b49bdbf753b5a70734fbae7f2c1ac06702;hpb=61a0c83fd40b98292b2dfe1eaba237eb804b2cb4

diff --git a/src/edu/berkeley/sbp/util/TopologicalBag.java b/src/edu/berkeley/sbp/util/TopologicalBag.java
index eb71cdc..e3bd1b7 100644
--- a/src/edu/berkeley/sbp/util/TopologicalBag.java
+++ b/src/edu/berkeley/sbp/util/TopologicalBag.java
@@ -14,7 +14,7 @@ import java.lang.ref.*;
 //
 
 /** a mapping from topologies over <tt>K</tt> to <i>sets of</i> values of type <tt>V</tt> */
-public class TopologicalBag<K,V> implements MapBag<Topology<K>,V>, VisitableMap<K,V> {
+public class TopologicalBag<K,V> implements MapBag<Topology<K>,V>, VisitableMap<K,V>, Serializable {
 
     // CRUCIAL INVARIANT: keys in this hashmap MUST be disjoint or the universe will implode
     private final HashMap<Topology<K>,HashSet<V>> h = new HashMap<Topology<K>,HashSet<V>>();