package net.onrc.onos.apps.bgproute;

import java.net.InetAddress;
import java.util.Collections;
import java.util.List;

/*
 * A path is always assumed to be from all other interfaces (external-facing
 * switchports) to the destination interface.
 */

public class Path {

    private Interface dstInterface;
    private InetAddress dstIpAddress;
    private int numUsers = 0;

    private List<PushedFlowMod> flowMods = null;
    private boolean permanent = false;

    public Path(Interface dstInterface, InetAddress dstIpAddress) {
        this.dstInterface = dstInterface;
        this.dstIpAddress = dstIpAddress;
    }

    public Interface getDstInterface() {
        return dstInterface;
    }

    public InetAddress getDstIpAddress() {
        return dstIpAddress;
    }

    public void incrementUsers() {
        numUsers++;
    }

    public void decrementUsers() {
        numUsers--;
    }

    public int getUsers() {
        return numUsers;
    }

    public List<PushedFlowMod> getFlowMods() {
        return Collections.unmodifiableList(flowMods);
    }

    public void setFlowMods(List<PushedFlowMod> flowMods) {
        this.flowMods = flowMods;
    }

    public boolean isPermanent() {
        return permanent;
    }

    public void setPermanent() {
        permanent = true;
    }
}