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/**
 * Copyright (c) 2014 André Martins, Colin Dixon, Evan Zeller 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.l2switch.hosttracker.plugin.util;

import org.opendaylight.yang.gen.v1.urn.opendaylight.address.tracker.rev140617.address.node.connector.Addresses;
import org.opendaylight.yang.gen.v1.urn.opendaylight.host.tracker.rev140624.host.AttachmentPointsBuilder;

public final class Compare {
    private Compare() {
    }

    /**
     * Compare two addresses. This method is different than equals since it only
     * compares MAC, VLAN and IP Address.
     *
     * @param addr1
     *            first Address to compare.
     * @param addr2
     *            second Address to compare.
     * @return true if both have the same MAC, VLAN and IP Address, false
     *         otherwise.
     */
    public static boolean addresses(Addresses addr1, Addresses addr2) {
        return (addr1.getMac() == null && addr2.getMac() == null
                || addr1.getMac() != null && addr1.getMac().equals(addr2.getMac()))
                && (addr1.getVlan() == null && addr2.getVlan() == null
                        || addr1.getVlan() != null && addr1.getVlan().equals(addr2.getVlan()))
                && (addr1.getIp() == null && addr2.getIp() == null
                        || addr1.getIp() != null && addr1.getIp().equals(addr2.getIp()));
    }

    /**
     * Compares two AttachmentPointsBuilder. This method is different than
     * equals since it only compares the TpId of both AttachmentPointsBuilder.
     *
     * @param atp1
     *            first AttachmentPointsBuilder to compare.
     * @param atp2
     *            second AttachmentPointsBuilder to compare.
     * @return true if both have the same TpId, false otherwise.
     */
    public static boolean attachmentPointsBuilder(AttachmentPointsBuilder atp1, AttachmentPointsBuilder atp2) {
        return atp1.getTpId() == null && atp2.getTpId() == null
                || atp1.getTpId() != null && atp1.getTpId().equals(atp2.getTpId());
    }
}