+
+ // For trunk interfaces, binding to a parent interface which is already bound to another trunk interface should not
+ // be allowed
+ public static boolean createInterfaceChildEntryIfNotPresent( DataBroker dataBroker, WriteTransaction t,
+ String parentInterface, String childInterface){
+ InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
+ InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier =
+ InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
+ InterfaceParentEntry interfaceParentEntry =
+ InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryIdentifier, dataBroker);
+
+ if(interfaceParentEntry != null){
+ LOG.error("Trying to bind the same parent interface {} to multiple trunk interfaces. ", parentInterface);
+ return false;
+ }
+
+ LOG.info("First vlan trunk {} bound on parent-interface {}", childInterface, parentInterface);
+ InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(childInterface);
+ InstanceIdentifier<InterfaceChildEntry> intfId =
+ InterfaceMetaUtils.getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
+ InterfaceChildEntryBuilder entryBuilder = new InterfaceChildEntryBuilder().setKey(interfaceChildEntryKey)
+ .setChildInterface(childInterface);
+ t.put(LogicalDatastoreType.CONFIGURATION, intfId, entryBuilder.build(),true);
+ return true;
+ }
+
+ public static boolean deleteParentInterfaceEntry( WriteTransaction t, String parentInterface){
+ InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentInterface);
+ InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIdentifier = InterfaceMetaUtils.getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
+ t.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIdentifier);
+ return true;
+ }
+