mappingservice/neutron/src/main/java/org/opendaylight/lispflowmapping/neutron/intenthandler/GroupBasedPolicyNeutronIntentHandlerBean.java

   1 /*
   2  * Copyright (c) 2017 Cisco Systems, Inc.  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.lispflowmapping.neutron.intenthandler;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  11 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  12 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  13 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  14 import org.opendaylight.lispflowmapping.neutron.intenthandler.listener.service.VbridgeTopologyListenerService;
  15 import org.slf4j.Logger;
  16 import org.slf4j.LoggerFactory;
  17
  18 /**
  19  * Created by Shakib Ahmed on 1/19/17.
  20  */
  21
  22 /*
  23  * This is the bean instantiated when lisp neutron service is installed. This bean
  24  * registers and maintain listeners for getting updates of Neutron Topology
  25  * maintained by groupbasedpolicy and honeycomb vbd.
  26  */
  27 public class GroupBasedPolicyNeutronIntentHandlerBean implements AutoCloseable, BindingAwareProvider {
  28     private static final Logger LOG = LoggerFactory.getLogger(GroupBasedPolicyNeutronIntentHandlerBean.class);
  29
  30     private DataBroker dataBroker;
  31     private MountPointService mountService;
  32
  33     private VbridgeTopologyListenerService vbridgeTopologyListenerService;
  34
  35     private IntentHandlerAsyncExecutorProvider intentHandlerAsyncExecutorProvider =
  36             IntentHandlerAsyncExecutorProvider.getInstace();
  37
  38     public GroupBasedPolicyNeutronIntentHandlerBean(final BindingAwareBroker bindingAwareBroker) {
  39         bindingAwareBroker.registerProvider(this);
  40     }
  41
  42
  43     @Override
  44     public void close() throws Exception {
  45         LOG.info("Clustering provider closed for {}", this.getClass().getSimpleName());
  46         intentHandlerAsyncExecutorProvider.close();
  47     }
  48
  49     @Override
  50     public void onSessionInitiated(BindingAwareBroker.ProviderContext session) {
  51         LOG.info("LFM neutron handler service registered", this.getClass().getSimpleName());
  52         dataBroker = session.getSALService(DataBroker.class);
  53         mountService = session.getSALService(MountPointService.class);
  54         vbridgeTopologyListenerService = VbridgeTopologyListenerService.initialize(dataBroker, mountService);
  55     }
  56 }