dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/OSGiDOMNotificationRouter.java

   1 /*
   2  * Copyright (c) 2020 PANTHEON.tech, 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.dom.broker;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.Collection;
  12 import java.util.concurrent.TimeUnit;
  13 import org.opendaylight.mdsal.dom.api.DOMNotification;
  14 import org.opendaylight.mdsal.dom.api.DOMNotificationListener;
  15 import org.opendaylight.mdsal.dom.api.DOMNotificationPublishService;
  16 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  17 import org.opendaylight.mdsal.dom.spi.DOMNotificationSubscriptionListener;
  18 import org.opendaylight.mdsal.dom.spi.DOMNotificationSubscriptionListenerRegistry;
  19 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  20 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  21 import org.osgi.service.component.annotations.Activate;
  22 import org.osgi.service.component.annotations.Component;
  23 import org.osgi.service.component.annotations.Deactivate;
  24 import org.osgi.service.metatype.annotations.AttributeDefinition;
  25 import org.osgi.service.metatype.annotations.Designate;
  26 import org.osgi.service.metatype.annotations.ObjectClassDefinition;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 @Component(immediate = true, configurationPid = "org.opendaylight.mdsal.dom.notification", service = {
  31         DOMNotificationService.class, DOMNotificationPublishService.class,
  32         DOMNotificationSubscriptionListenerRegistry.class
  33 })
  34 @Designate(ocd = OSGiDOMNotificationRouter.Config.class)
  35 public final class OSGiDOMNotificationRouter implements DOMNotificationService, DOMNotificationPublishService,
  36         DOMNotificationSubscriptionListenerRegistry {
  37     @ObjectClassDefinition()
  38     public @interface Config {
  39         @AttributeDefinition(name = "notification-queue-depth")
  40         int queueDepth() default 65536;
  41         @AttributeDefinition(name = "notification-queue-spin")
  42         long spinTime() default 0;
  43         @AttributeDefinition(name = "notification-queue-park")
  44         long parkTime() default 0;
  45     }
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(OSGiDOMNotificationRouter.class);
  48
  49     private DOMNotificationRouter router;
  50
  51     @Activate
  52     void activate(final Config config) {
  53         router = DOMNotificationRouter.create(config.queueDepth(), config.spinTime(), config.parkTime(),
  54             TimeUnit.MILLISECONDS);
  55         LOG.info("DOM Notification Router started");
  56     }
  57
  58     @Deactivate
  59     void deactivate() {
  60         router.close();
  61         router = null;
  62         LOG.info("DOM Notification Router stopped");
  63     }
  64
  65     @Override
  66     public <L extends DOMNotificationSubscriptionListener> ListenerRegistration<L> registerSubscriptionListener(
  67             final L listener) {
  68         return router.registerSubscriptionListener(listener);
  69     }
  70
  71     @Override
  72     public ListenableFuture<? extends Object> putNotification(final DOMNotification notification)
  73             throws InterruptedException {
  74         return router.putNotification(notification);
  75     }
  76
  77     @Override
  78     public ListenableFuture<? extends Object> offerNotification(final DOMNotification notification) {
  79         return router.offerNotification(notification);
  80     }
  81
  82     @Override
  83     public ListenableFuture<? extends Object> offerNotification(final DOMNotification notification,
  84             final long timeout, final TimeUnit unit) throws InterruptedException {
  85         return router.offerNotification(notification, timeout, unit);
  86     }
  87
  88     @Override
  89     public <T extends DOMNotificationListener> ListenerRegistration<T> registerNotificationListener(final T listener,
  90             final Collection<SchemaPath> types) {
  91         return router.registerNotificationListener(listener, types);
  92     }
  93
  94     @Override
  95     public <T extends DOMNotificationListener> ListenerRegistration<T> registerNotificationListener(final T listener,
  96             final SchemaPath... types) {
  97         return router.registerNotificationListener(listener, types);
  98     }
  99 }