Fix NPE triggered after disabling SG on a port
[netvirt.git] / openstack / netvirt2 / renderers / neutron / src / main / java / org / opendaylight / netvirt / netvirt / renderers / neutron / NeutronPortChangeListener.java
1 /*
2  * Copyright (c) 2016 Red Hat, Inc. and others.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8 package org.opendaylight.netvirt.netvirt.renderers.neutron;
9
10 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
11 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
16 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
17
18 /**
19  * Data tree listener for Neutron Port
20  */
21 public class NeutronPortChangeListener extends DelegatingDataTreeListener<Port> {
22     /**
23      * {@link NeutronPortChangeListener} constructor.
24      * @param db MdSal {@link DataBroker}
25      */
26     public NeutronPortChangeListener(final DataBroker db) {
27         super(new NeutronPortDataProcessor(db), db,
28                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
29                         InstanceIdentifier.create(Neutron.class).child(Ports.class).child(Port.class)));
30     }
31 }