--- /dev/null
+/*
+ * Copyright (C) 2014 Red Hat, Inc.
+ *
+ * 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.networkconfig.neutron;
+
+import java.util.List;
+
+/**
+ * This interface defines the methods for CRUD of NB OpenStack Firewall objects
+ *
+ */
+
+public interface INeutronFirewallCRUD {
+ /**
+ * Applications call this interface method to determine if a particular
+ *Firewall object exists
+ *
+ * @param uuid
+ * UUID of the Firewall object
+ * @return boolean
+ */
+
+ public boolean neutronFirewallExists(String uuid);
+
+ /**
+ * Applications call this interface method to return if a particular
+ * Firewall object exists
+ *
+ * @param uuid
+ * UUID of the Firewall object
+ * @return {@link org.opendaylight.controller.networkconfig.neutron.NeutronFirewall}
+ * OpenStackFirewall class
+ */
+
+ public NeutronFirewall getNeutronFirewall(String uuid);
+
+ /**
+ * Applications call this interface method to return all Firewall objects
+ *
+ * @return List of OpenStackNetworks objects
+ */
+
+ public List<NeutronFirewall> getAllNeutronFirewalls();
+
+ /**
+ * Applications call this interface method to add a Firewall object to the
+ * concurrent map
+ *
+ * @param input
+ * OpenStackNetwork object
+ * @return boolean on whether the object was added or not
+ */
+
+ public boolean addNeutronFirewall(NeutronFirewall input);
+
+ /**
+ * Applications call this interface method to remove a Neutron Firewall object to the
+ * concurrent map
+ *
+ * @param uuid
+ * identifier for the Firewall object
+ * @return boolean on whether the object was removed or not
+ */
+
+ public boolean removeNeutronFirewall(String uuid);
+
+ /**
+ * Applications call this interface method to edit a Firewall object
+ *
+ * @param uuid
+ * identifier of the Firewall object
+ * @param delta
+ * OpenStackFirewall object containing changes to apply
+ * @return boolean on whether the object was updated or not
+ */
+
+ public boolean updateNeutronFirewall(String uuid, NeutronFirewall delta);
+
+ /**
+ * Applications call this interface method to see if a MAC address is in use
+ *
+ * @param uuid
+ * identifier of the Firewall object
+ * @return boolean on whether the macAddress is already associated with a
+ * port or not
+ */
+
+ public boolean neutronFirewallInUse(String uuid);
+
+}