--- /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;
+
+/**
+ * This interface defines the methods a service that wishes to be aware of Neutron Security Groups needs to implement
+ */
+
+public interface INeutronSecurityGroupAware {
+
+ /**
+ * Services provide this interface method to indicate if the specified security group can be created
+ *
+ * @param securityGroup instance of proposed new Neutron Security Group object
+ * @return integer
+ * the return value is understood to be a HTTP status code. A return value outside of 200 through 299
+ * results in the create operation being interrupted and the returned status value reflected in the
+ * HTTP response.
+ */
+ public int canCreateNeutronSecurityGroup(NeutronSecurityGroup securityGroup);
+
+ /**
+ * Services provide this interface method for taking action after a security group has been created
+ *
+ * @param securityGroup instance of new Neutron Security Group object
+ * @return void
+ */
+ public void neutronSecurityGroupCreated(NeutronSecurityGroup securityGroup);
+
+ /**
+ * Services provide this interface method to indicate if the specified security group can be changed using the specified
+ * delta
+ *
+ * @param delta updates to the security group object using patch semantics
+ * @param original instance of the Neutron Security Group object to be updated
+ * @return integer
+ * the return value is understood to be a HTTP status code. A return value outside of 200 through 299
+ * results in the update operation being interrupted and the returned status value reflected in the
+ * HTTP response.
+ */
+ public int canUpdateNeutronSecurityGroup(NeutronSecurityGroup delta, NeutronSecurityGroup original);
+
+ /**
+ * Services provide this interface method for taking action after a security group has been updated
+ *
+ * @param securityGroup instance of modified Neutron Security Group object
+ * @return void
+ */
+ public void neutronSecurityGroupUpdated(NeutronSecurityGroup securityGroup);
+
+ /**
+ * Services provide this interface method to indicate if the specified security group can be deleted
+ *
+ * @param securityGroup instance of the Neutron Security Group object to be deleted
+ * @return integer
+ * the return value is understood to be a HTTP status code. A return value outside of 200 through 299
+ * results in the delete operation being interrupted and the returned status value reflected in the
+ * HTTP response.
+ */
+ public int canDeleteNeutronSecurityGroup(NeutronSecurityGroup securityGroup);
+
+ /**
+ * Services provide this interface method for taking action after a security group has been deleted
+ *
+ * @param securityGroup instance of deleted Neutron Security Group object
+ * @return void
+ */
+ public void neutronSecurityGroupDeleted(NeutronSecurityGroup securityGroup);
+}