+ private static boolean checkIfTrunkExists( BigInteger srcDpnId, BigInteger dstDpnId, DataBroker dataBroker) {
+ boolean existsFlag = false ;
+ InstanceIdentifier<InternalTunnel> path = InstanceIdentifier.create(
+ TunnelList.class)
+ .child(InternalTunnel.class, new InternalTunnelKey( srcDpnId, dstDpnId));
+ Optional<InternalTunnel> internalTunnels = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,path, dataBroker) ;
+ if( internalTunnels.isPresent())
+ existsFlag = true ;
+ return existsFlag ;
+ }