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/*
* Copyright 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.iptopology.api;
import static com.google.common.base.MoreObjects.toStringHelper;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import org.onlab.packet.Ip4Address;
import org.onlab.packet.Ip6Address;
/**
* Represents Device Traffic Engineering parameters.
*/
public class DeviceTed {
private final List<Ip4Address> ipv4RouterIds;
private final List<Ip6Address> ipv6RouterIds;
private final List<TopologyId> topologyIds;
private final Position position;
/**
* Constructor to initialize the parameter fields.
*
* @param ipv4RouterIds Router ids of Ipv4
* @param ipv6RouterIds Router ids of Ipv6
* @param topologyIds list of multi-topology IDs of the node
* @param position of router whether it is ABR or ASBR
*/
public DeviceTed(List<Ip4Address> ipv4RouterIds, List<Ip6Address> ipv6RouterIds,
List<TopologyId> topologyIds, Position position) {
this.ipv4RouterIds = ipv4RouterIds;
this.ipv6RouterIds = ipv6RouterIds;
this.topologyIds = topologyIds;
this.position = position;
}
/**
* Obtain list of Ipv4 Router id.
*
* @return Ipv4 Router ids
*/
public List<Ip4Address> ipv4RouterIds() {
return ipv4RouterIds;
}
/**
* Obtain list of Ipv6 Router id.
*
* @return Ipv6 Router ids
*/
public List<Ip6Address> ipv6RouterIds() {
return ipv6RouterIds;
}
/**
* Obtain the list of topology ID's.
*
* @return list of topology id's
*/
public List<TopologyId> topologyIds() {
return topologyIds;
}
/**
* Obtain position of device in the network.
*
* @return position of device in the network
*/
public Position position() {
return position;
}
@Override
public int hashCode() {
return Objects.hash(ipv4RouterIds, ipv6RouterIds, topologyIds, position);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof DeviceTed) {
int countObjSubTlv = 0;
int countOtherSubTlv = 0;
int countObjTopologyId = 0;
int countOtherTopologyId = 0;
boolean isCommonSubTlv = true;
boolean isCommonSubTlv6 = true;
boolean isCommonTopology = true;
DeviceTed other = (DeviceTed) obj;
Iterator<Ip4Address> objListIterator = other.ipv4RouterIds.iterator();
countOtherSubTlv = other.ipv4RouterIds.size();
countObjSubTlv = ipv4RouterIds.size();
Iterator<Ip6Address> objListIteratorIpv6 = other.ipv6RouterIds.iterator();
int countOtherSubTlv6 = other.ipv6RouterIds.size();
int countObjSubTlv6 = ipv6RouterIds.size();
Iterator<TopologyId> topologyId = other.topologyIds.iterator();
countOtherTopologyId = other.topologyIds.size();
countObjTopologyId = topologyIds.size();
if (countObjSubTlv != countOtherSubTlv || countOtherSubTlv6 != countObjSubTlv6
|| countObjTopologyId != countOtherTopologyId) {
return false;
} else {
while (objListIterator.hasNext() && isCommonSubTlv) {
Ip4Address subTlv = objListIterator.next();
//find index of that element and then get that from the list and then compare
if (ipv4RouterIds.contains(subTlv) && other.ipv4RouterIds.contains(subTlv)) {
isCommonSubTlv = Objects.equals(ipv4RouterIds.get(ipv4RouterIds.indexOf(subTlv)),
other.ipv4RouterIds.get(other.ipv4RouterIds.indexOf(subTlv)));
} else {
isCommonSubTlv = false;
}
}
while (objListIteratorIpv6.hasNext() && isCommonSubTlv6) {
Ip6Address subTlv = objListIteratorIpv6.next();
//find index of that element and then get that from the list and then compare
if (ipv6RouterIds.contains(subTlv) && other.ipv6RouterIds.contains(subTlv)) {
isCommonSubTlv6 = Objects.equals(ipv6RouterIds.get(ipv6RouterIds.indexOf(subTlv)),
other.ipv6RouterIds.get(other.ipv6RouterIds.indexOf(subTlv)));
} else {
isCommonSubTlv6 = false;
}
}
while (topologyId.hasNext() && isCommonTopology) {
TopologyId subTlv = topologyId.next();
//find index of that element and then get that from the list and then compare
if (topologyIds.contains(subTlv) && other.topologyIds.contains(subTlv)) {
isCommonTopology = Objects.equals(topologyIds.get(topologyIds.indexOf(subTlv)),
other.topologyIds.get(other.topologyIds.indexOf(subTlv)));
} else {
isCommonTopology = false;
}
}
return isCommonSubTlv && isCommonSubTlv6 && isCommonTopology
&& Objects.equals(position, other.position);
}
}
return false;
}
@Override
public String toString() {
return toStringHelper(this)
.omitNullValues()
.add("ipv6RouterIds", ipv6RouterIds)
.add("ipv4RouterIds", ipv4RouterIds)
.add("topologyIds", topologyIds)
.add("position", position)
.toString();
}
}
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