[SDFAB-359] Purge all objective for a given application ID

Change-Id: I51847b0be890deacec5caddc18d52bcd2993959a
(cherry picked from commit 607fd0b70e4553226d0937d36de9cde655f2eb62)
diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/CentecV350Pipeline.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/CentecV350Pipeline.java
index cad1a88..dedc810 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/CentecV350Pipeline.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/CentecV350Pipeline.java
@@ -289,6 +289,11 @@
 
     }
 
+    @Override
+    public void purgeAll(ApplicationId appId) {
+        flowRuleService.purgeFlowRules(deviceId, appId);
+    }
+
     private Collection<FlowRule> processForward(ForwardingObjective fwd) {
         switch (fwd.flag()) {
             case SPECIFIC: