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