2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.rib.impl;
10 import javax.annotation.Nullable;
11 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
14 * Defines the internal hooks invoked when a new route appears.
16 abstract class AbstractImportPolicy {
18 * Transform incoming attributes according to policy.
20 * @param attributes received attributes
21 * @return Filtered attributes, or null if the advertisement should be ignored.
23 @Nullable abstract ContainerNode effectiveAttributes(@Nullable ContainerNode attributes);