/**
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.sal.binding.impl;

import org.opendaylight.controller.sal.binding.api.NotificationListener;
import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.Notification;

import com.google.common.base.Preconditions;

class GenericNotificationRegistration<T extends Notification> extends AbstractObjectRegistration<NotificationListener<T>> implements ListenerRegistration<NotificationListener<T>> {
    private final Class<T> type;
    private NotificationBrokerImpl notificationBroker;

    public GenericNotificationRegistration(final Class<T> type, final NotificationListener<T> instance, final NotificationBrokerImpl broker) {
        super(instance);
        this.type = Preconditions.checkNotNull(type);
        this.notificationBroker = Preconditions.checkNotNull(broker);
    }

    public Class<T> getType() {
        return type;
    }

    @Override
    protected void removeRegistration() {
        notificationBroker.unregisterListener(this);
        notificationBroker = null;
    }
}