--- /dev/null
+/**
+ * Copyright (c) 2014 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.md.statistics.manager;
+
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeatures;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.OpendaylightInventoryListener;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * statistics-manager
+ * org.opendaylight.controller.md.statistics.manager.impl
+ *
+ * StatNodeRegistration
+ * Class represents {@link org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode}
+ * {@link org.opendaylight.controller.md.sal.binding.api.DataChangeListener} in Operational/DataStore for ADD / REMOVE
+ * actions which are represented connect / disconnect OF actions. Connect functionality are expecting
+ *
+ * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
+ *
+ * Created: Sep 5, 2014
+ */
+public interface StatNodeRegistration extends OpendaylightInventoryListener, AutoCloseable {
+
+ /**
+ * Method contains {@link org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode} registration to {@link StatisticsManager}
+ * for permanently collecting statistics by {@link StatPermCollector} and
+ * as a prevention to use a validation check to the Operational/DS for identify
+ * connected {@link org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode}.
+ *
+ * @param InstanceIdentifier<SwitchFeatures> keyIdent
+ * @param FlowCapableNode data
+ * @param InstanceIdentifier<Node> nodeIdent
+ */
+ void connectFlowCapableNode(InstanceIdentifier<SwitchFeatures> keyIdent,
+ SwitchFeatures data, InstanceIdentifier<Node> nodeIdent);
+
+ /**
+ * Method cut {@link Node} registration for {@link StatPermCollector}
+ *
+ * @param InstanceIdentifier<Node> keyIdent
+ */
+ void disconnectFlowCapableNode(InstanceIdentifier<Node> keyIdent);
+}