package org.syndicate_lang.actors.example.example2;

import java.util.List;

public class Forwarder implements IForwarder {
    private final int _index;
    private final List<IForwarder> _actors;
    private final IForwarder _main;
    private final int _nRounds;

    public Forwarder(int index, List<IForwarder> actors, IForwarder main, int nRounds) {
        this._index = index;
        this._actors = actors;
        this._main = main;
        this._nRounds = nRounds;
    }

    @Override
    public void handleMessage(int hopCount) {
        int index = (this._index + 1) % this._actors.size();
        IForwarder target = hopCount >= this._nRounds - 1 ? _main : this._actors.get(index);
        target.handleMessage(hopCount + 1);
    }
}