Added a summary command.
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java
index f3c8f34..d49e00b 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java
@@ -58,6 +58,11 @@
 
 
     @Override
+    public int getFlowRuleCount() {
+        return flowEntries.size();
+    }
+
+    @Override
     public synchronized FlowEntry getFlowEntry(FlowRule rule) {
         for (FlowEntry f : flowEntries.get(rule.deviceId())) {
             if (f.equals(rule)) {