X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Futil%2FTopologicalBag.java;h=cdbe976ae06e969ea54954940a2c4f7dbf717cf7;hp=8862be6e82ea6ec9e443456894ae43788aab9400;hb=c4431d19cc5ddaae29d22c8c56366b53b0bad352;hpb=6b53048f4413f3c618acc3581d0b4f60a236a9bc;ds=sidebyside

diff --git a/src/edu/berkeley/sbp/util/TopologicalBag.java b/src/edu/berkeley/sbp/util/TopologicalBag.java
index 8862be6..cdbe976 100644
--- a/src/edu/berkeley/sbp/util/TopologicalBag.java
+++ b/src/edu/berkeley/sbp/util/TopologicalBag.java
@@ -91,6 +91,13 @@ public class TopologicalBag<K,V> implements MapBag<Topology<K>,V> {
         return false;
     }
 
+    public boolean has(K k) {
+        for(Topology<K> t : h.keySet())
+            if (t.contains(k) && !h.get(t).isEmpty())
+                return true;
+        return false;
+    }
+
     private HashMap<K,Iterable<V>> cache = new HashMap<K,Iterable<V>>();
     public Iterable<V> getAll(Topology<K> k) { return h.get(k); }
     public Iterable<V> get(K k) {