--- /dev/null
+
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.sal.flowprogrammer;
+
+import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.utils.Status;
+
+/**
+ * @file IPluginOutFlowProgrammer.java
+ *
+ * @brief Flow programmer interface to be implemented by protocol plugins
+ *
+ *
+ *
+ */
+public interface IPluginInFlowProgrammerService {
+ /**
+ * Add a flow to the network node
+ *
+ * @param node
+ * @param flow
+ */
+ Status addFlow(Node node, Flow flow);
+
+ /**
+ * Modify existing flow on the switch
+ *
+ * @param node
+ * @param flow
+ */
+ Status modifyFlow(Node node, Flow oldFlow, Flow newFlow);
+
+ /**
+ * Remove the flow from the network node
+ * @param node
+ * @param flow
+ */
+ Status removeFlow(Node node, Flow flow);
+
+ /**
+ * Remove all flows present on the network node
+ * @param node
+ */
+ Status removeAllFlows(Node node);
+}