diff --git a/core/common/src/test/java/org/onosproject/store/trivial/SimpleDeviceStore.java b/core/common/src/test/java/org/onosproject/store/trivial/SimpleDeviceStore.java
index 4218d47..04d376c 100644
--- a/core/common/src/test/java/org/onosproject/store/trivial/SimpleDeviceStore.java
+++ b/core/common/src/test/java/org/onosproject/store/trivial/SimpleDeviceStore.java
@@ -514,6 +514,16 @@
     }
 
     @Override
+    public PortStatistics getStatisticsForPort(DeviceId deviceId, PortNumber portNumber) {
+        Map<PortNumber, PortStatistics> portStatsMap = devicePortStats.get(deviceId);
+        if (portStatsMap == null) {
+            return null;
+        }
+        PortStatistics portStats = portStatsMap.get(portNumber);
+        return portStats;
+    }
+
+    @Override
     public List<PortStatistics> getPortDeltaStatistics(DeviceId deviceId) {
         Map<PortNumber, PortStatistics> portStats = devicePortDeltaStats.get(deviceId);
         if (portStats == null) {
@@ -523,6 +533,16 @@
     }
 
     @Override
+    public PortStatistics getDeltaStatisticsForPort(DeviceId deviceId, PortNumber portNumber) {
+        Map<PortNumber, PortStatistics> portStatsMap = devicePortDeltaStats.get(deviceId);
+        if (portStatsMap == null) {
+            return null;
+        }
+        PortStatistics portStats = portStatsMap.get(portNumber);
+        return portStats;
+    }
+
+    @Override
     public boolean isAvailable(DeviceId deviceId) {
         return availableDevices.contains(deviceId);
     }