Bug fix: flow statistics are not notified if empty

[controller.git] / opendaylight / protocol_plugins / openflow / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / internal / OFStatisticsManager.java

diff --git a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/OFStatisticsManager.java b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/OFStatisticsManager.java
index b63517b8add5d90a4df4aecd386c63767fd47e50..3c02c1762875eceb1ba226f8b333584af9b852bf 100644 (file)
--- a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/OFStatisticsManager.java
+++ b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/OFStatisticsManager.java
@@ -537,11 +537,10 @@ IInventoryShimExternalListener, CommandProvider {
             values = this.v6StatsListToOFStatsList(values);
         }
 
-        if (!values.isEmpty()) { //possiblly filtered out by v6StatsListToOFStatsList()
-            for (IOFStatisticsListener l : this.statisticsListeners) {
-                l.flowStatisticsRefreshed(switchId, values);
-            }
+        for (IOFStatisticsListener l : this.statisticsListeners) {
+            l.flowStatisticsRefreshed(switchId, values);
         }
+
     }
 
     private void notifyPortUpdate(Long switchId, List<OFStatistics> values) {