/*
 * Copyright 2014-2015 Open Networking Laboratory
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.onosproject.openstackswitching;

import org.onlab.packet.Ip4Address;
import org.onosproject.net.DeviceId;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Contains OpenstackPort Information.
 */
public final class OpenstackPortInfo {

    private final Ip4Address hostIp;
    private final DeviceId deviceId;
    private final long vni;

    public OpenstackPortInfo(Ip4Address hostIp, DeviceId deviceId,
                             long vni) {
        this.hostIp = hostIp;
        this.deviceId = deviceId;
        this.vni = vni;
    }

    public Ip4Address ip() {
        return hostIp;
    }

    public DeviceId deviceId() {
        return deviceId;
    }

    public long vni() {
        return vni;
    }

    public static OpenstackPortInfo.Builder builder() {
        return new Builder();
    }

    public static final class Builder {
        private Ip4Address hostIp;
        private DeviceId deviceId;
        private long vni;

        public Builder setHostIp(Ip4Address hostIp) {
            this.hostIp = checkNotNull(hostIp, "hostIp cannot be null");
            return this;
        }

        public Builder setDeviceId(DeviceId deviceId) {
            this.deviceId = checkNotNull(deviceId, "deviceId cannot be null");
            return this;
        }

        public Builder setVNI(long vni) {
            this.vni = checkNotNull(vni, "vni cannot be null");
            return this;
        }
        public OpenstackPortInfo build() {
            return new OpenstackPortInfo(this);
        }
    }

    private OpenstackPortInfo(Builder builder) {
        hostIp = builder.hostIp;
        deviceId = builder.deviceId;
        vni = builder.vni;
    }
}