-
-import org.slf4j.LoggerFactory
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
-import org.opendaylight.yangtools.yang.binding.DataObject
-import java.net.NetworkInterface
-import java.net.SocketException
-import java.util.Collections
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes
-import java.util.ArrayList
+import org.opendaylight.controller.sal.core.Node
+import org.opendaylight.controller.sal.core.NodeConnector
+import org.opendaylight.controller.sal.core.Property
+import org.opendaylight.controller.sal.core.Tier
+import org.opendaylight.controller.switchmanager.ISwitchManager