statistics/impl/src/main/java/org/opendaylight/netvirt/statistics/CountersServiceInterfaceListener.java

   1 /*
   2  * Copyright (c) 2017 HPE, 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.statistics;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  14 import org.opendaylight.netvirt.statistics.api.ICountersInterfaceChangeHandler;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  18
  19 public class CountersServiceInterfaceListener
  20         extends AsyncDataTreeChangeListenerBase<Interface, CountersServiceInterfaceListener>
  21         implements ClusteredDataTreeChangeListener<Interface> {
  22
  23     private final ICountersInterfaceChangeHandler cich;
  24     private final DataBroker db;
  25
  26     public CountersServiceInterfaceListener(final DataBroker db, final ICountersInterfaceChangeHandler cich) {
  27         super(Interface.class, CountersServiceInterfaceListener.class);
  28         this.db = db;
  29         this.cich = cich;
  30         registerListener(LogicalDatastoreType.CONFIGURATION, db);
  31     }
  32
  33     @Override
  34     protected InstanceIdentifier<Interface> getWildCardPath() {
  35         return InstanceIdentifier.create(Interfaces.class).child(Interface.class);
  36     }
  37
  38     @Override
  39     protected void remove(InstanceIdentifier<Interface> key, Interface port) {
  40         cich.handleInterfaceRemoval(port.getName());
  41     }
  42
  43     @Override
  44     protected void update(InstanceIdentifier<Interface> key, Interface portBefore, Interface portAfter) {
  45     }
  46
  47     @Override
  48     protected void add(InstanceIdentifier<Interface> key, Interface port) {
  49     }
  50
  51     @Override
  52     protected CountersServiceInterfaceListener getDataTreeChangeListener() {
  53         return this;
  54     }
  55
  56 }