binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/osgi/DynamicBindingAdapter.java

   1 /*
   2  * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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.mdsal.binding.dom.adapter.osgi;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import java.util.List;
  12 import org.opendaylight.mdsal.binding.api.ActionProviderService;
  13 import org.opendaylight.mdsal.binding.api.ActionService;
  14 import org.opendaylight.mdsal.binding.api.BindingService;
  15 import org.opendaylight.mdsal.binding.api.DataBroker;
  16 import org.opendaylight.mdsal.binding.api.MountPointService;
  17 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  18 import org.opendaylight.mdsal.binding.api.NotificationService;
  19 import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
  20 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  21 import org.opendaylight.mdsal.binding.dom.adapter.spi.AdapterFactory;
  22 import org.opendaylight.mdsal.dom.api.DOMActionProviderService;
  23 import org.opendaylight.mdsal.dom.api.DOMActionService;
  24 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  25 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  26 import org.opendaylight.mdsal.dom.api.DOMNotificationPublishService;
  27 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  28 import org.opendaylight.mdsal.dom.api.DOMRpcProviderService;
  29 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  30 import org.opendaylight.mdsal.dom.api.DOMService;
  31 import org.osgi.framework.BundleContext;
  32 import org.osgi.service.component.ComponentFactory;
  33 import org.osgi.service.component.annotations.Activate;
  34 import org.osgi.service.component.annotations.Component;
  35 import org.osgi.service.component.annotations.Deactivate;
  36 import org.osgi.service.component.annotations.Reference;
  37 import org.osgi.util.tracker.ServiceTracker;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 /**
  42  * A component which watches the OSGi Service Registry for known {@link DOMService}s and publishes corresponding
  43  * {@link BindingService}s backed by them.
  44  *
  45  * @author Robert Varga
  46  */
  47 @Component(immediate = true)
  48 public final class DynamicBindingAdapter {
  49     private static final Logger LOG = LoggerFactory.getLogger(DynamicBindingAdapter.class);
  50
  51     private List<AdaptingTracker<?, ?>> trackers = ImmutableList.of();
  52
  53     @Reference
  54     AdapterFactory factory = null;
  55     @Reference(target = "(component.factory=" + OSGiActionService.FACTORY_NAME + ")")
  56     ComponentFactory<OSGiActionService> actionServiceFactory = null;
  57     @Reference(target = "(component.factory=" + OSGiActionProviderService.FACTORY_NAME + ")")
  58     ComponentFactory<OSGiActionProviderService> actionProviderServiceFactory = null;
  59     @Reference(target = "(component.factory=" + OSGiDataBroker.FACTORY_NAME + ")")
  60     ComponentFactory<OSGiDataBroker> dataBrokerFactory = null;
  61     @Reference(target = "(component.factory=" + OSGiMountPointService.FACTORY_NAME + ")")
  62     ComponentFactory<OSGiMountPointService> mountPointServiceFactory = null;
  63     @Reference(target = "(component.factory=" + OSGiNotificationService.FACTORY_NAME + ")")
  64     ComponentFactory<OSGiNotificationService> notificationServiceFactory = null;
  65     @Reference(target = "(component.factory=" + OSGiNotificationPublishService.FACTORY_NAME + ")")
  66     ComponentFactory<OSGiNotificationPublishService> notificationPublishServiceFactory = null;
  67     @Reference(target = "(component.factory=" + OSGiRpcConsumerRegistry.FACTORY_NAME + ")")
  68     ComponentFactory<OSGiRpcConsumerRegistry> rpcConsumerRegistryFactory = null;
  69     @Reference(target = "(component.factory=" + OSGiRpcProviderService.FACTORY_NAME + ")")
  70     ComponentFactory<OSGiRpcProviderService> rpcProviderServiceFactory = null;
  71
  72     @Activate
  73     void activate(final BundleContext ctx) {
  74         trackers = ImmutableList.of(
  75             new AdaptingTracker<>(ctx, DOMDataBroker.class, DataBroker.class, factory::createDataBroker,
  76                     dataBrokerFactory),
  77             new AdaptingTracker<>(ctx, DOMMountPointService.class, MountPointService.class,
  78                     factory::createMountPointService, mountPointServiceFactory),
  79             new AdaptingTracker<>(ctx, DOMNotificationService.class, NotificationService.class,
  80                     factory::createNotificationService, notificationServiceFactory),
  81             new AdaptingTracker<>(ctx, DOMNotificationPublishService.class, NotificationPublishService.class,
  82                     factory::createNotificationPublishService, notificationPublishServiceFactory),
  83             new AdaptingTracker<>(ctx, DOMRpcService.class, RpcConsumerRegistry.class,
  84                     factory::createRpcConsumerRegistry, rpcConsumerRegistryFactory),
  85             new AdaptingTracker<>(ctx, DOMRpcProviderService.class, RpcProviderService.class,
  86                     factory::createRpcProviderService, rpcProviderServiceFactory),
  87             new AdaptingTracker<>(ctx, DOMActionService.class, ActionService.class, factory::createActionService,
  88                     actionServiceFactory),
  89             new AdaptingTracker<>(ctx, DOMActionProviderService.class, ActionProviderService.class,
  90                     factory::createActionProviderService, actionProviderServiceFactory));
  91
  92         LOG.debug("Starting {} DOMService trackers", trackers.size());
  93         trackers.forEach(ServiceTracker::open);
  94         LOG.info("{} DOMService trackers started", trackers.size());
  95     }
  96
  97     @Deactivate
  98     void deactivate() {
  99         LOG.debug("Stopping {} DOMService trackers", trackers.size());
 100         if (!trackers.isEmpty()) {
 101             trackers.forEach(AdaptingTracker::close);
 102             LOG.info("{} DOMService trackers stopped", trackers.size());
 103         }
 104         trackers = ImmutableList.of();
 105     }
 106 }