/**
* Copyright 2013, Big Switch Networks, Inc.
*
* 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 net.floodlightcontroller.topology;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import net.floodlightcontroller.routing.Link;
import org.openflow.util.HexString;
public class Cluster {
protected long id; // the lowest id of the nodes
protected Map<Long, Set<Link>> links; // set of links connected to a node.
public Cluster() {
id = Long.MAX_VALUE;
links = new HashMap<Long, Set<Link>>();
}
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public Map<Long, Set<Link>> getLinks() {
return links;
}
public Set<Long> getNodes() {
return links.keySet();
}
void add(long n) {
if (links.containsKey(n) == false) {
links.put(n, new HashSet<Link>());
if (n < id) id = n;
}
}
void addLink(Link l) {
add(l.getSrc());
links.get(l.getSrc()).add(l);
add(l.getDst());
links.get(l.getDst()).add(l);
}
@Override
public int hashCode() {
return (int) (id + id >>>32);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Cluster other = (Cluster) obj;
return (this.id == other.id);
}
public String toString() {
return "[Cluster id=" + HexString.toHexString(id) + ", " + links.keySet() + "]";
}
}