opendaylight/md-sal/messagebus-impl/src/main/java/org/opendaylight/controller/messagebus/app/impl/EventSourceRegistrationImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, 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.controller.messagebus.app.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import org.opendaylight.controller.messagebus.spi.EventSource;
  13 import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
  14 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
  15
  16 class EventSourceRegistrationImpl<T extends EventSource> extends AbstractObjectRegistration<T>
  17         implements EventSourceRegistration<T> {
  18
  19     private final EventSourceTopology eventSourceTopology;
  20
  21     /**
  22      * Constructor.
  23      *
  24      * @param instance of EventSource that has been registered by
  25      *     {@link EventSourceRegistryImpl#registerEventSource(Node, EventSource)}
  26      */
  27     EventSourceRegistrationImpl(T instance, EventSourceTopology eventSourceTopology) {
  28         super(instance);
  29         this.eventSourceTopology = requireNonNull(eventSourceTopology);
  30     }
  31
  32     @Override
  33     protected void removeRegistration() {
  34         this.eventSourceTopology.unRegister(getInstance());
  35     }
  36 }