+ /**
+ * Asynchronously add a flow to the network node
+ *
+ * @param node
+ * the network node
+ * {@link org.opendaylight.controller.sal.core.Node} on which the
+ * flow got added
+ * @param flow
+ * the flow
+ * {@link org.opendaylight.controller.sal.flowprogrammer.Flow}
+ * that got added
+ * @param rid
+ * the request id
+ * @return Status the operation status
+ * {@link org.opendaylight.controller.sal.utils.Status}
+ */
+ Status addFlowAsync(Node node, Flow flow, long rid);
+
+ /**
+ * Asynchronously modify existing flow on the switch
+ *
+ * @param node
+ * the network node
+ * {@link org.opendaylight.controller.sal.core.Node} on which the
+ * flow got modified
+ * @param oldFlow
+ * the original flow
+ * {@link org.opendaylight.controller.sal.flowprogrammer.Flow}
+ * @param newFlow
+ * the new flow
+ * {@link org.opendaylight.controller.sal.flowprogrammer.Flow}
+ * @param rid
+ * the request id
+ * @return Status the operation status
+ * {@link org.opendaylight.controller.sal.utils.Status}
+ */
+ Status modifyFlowAsync(Node node, Flow oldFlow, Flow newFlow, long rid);
+
+ /**
+ * Asynchronously remove the flow from the network node
+ *
+ * @param node
+ * the network node
+ * {@link org.opendaylight.controller.sal.core.Node} on which the
+ * flow got removed
+ * @param flow
+ * the flow
+ * {@link org.opendaylight.controller.sal.flowprogrammer.Flow}
+ * that got removed
+ * @param rid
+ * the request id
+ * @return Status the operation status
+ * {@link org.opendaylight.controller.sal.utils.Status}
+ */
+ Status removeFlowAsync(Node node, Flow flow, long rid);
+