Nloc.java

package nloc;

import java.util.List;
import java.util.ArrayList;
import java.util.Stack;

public class Nloc {
  public static void main(String[] args) {
    Channel chan0 = new Channel(6,6);
    Channel chan1 = new Channel(8,8);
    Channel chan2 = new Channel(9,9);
    Channel chan3 = new Channel(11,12);
    Channel chan4 = new Channel(19,21);
    Channel chan5 = new Channel(5,5);
    Channel chan6 = new Channel(8,8);
    Channel chan7 = new Channel(9,10);
    Channel chan8 = new Channel(25,28);
    Channel chan9 = new Channel(25,28);
    Channel chan10 = new Channel(25,28);

    Module m0 = new Module("m0", 22,10);
    Module m1 = new Module("m1", 10,10);
    Module m2 = new Module("m2", 22,10);
    Module m3 = new Module("m3", 10,10);

    Pump p0 = new Pump();
    Sink s0 = new Sink();


    p0.addChild(chan0);
    chan0.addChild(chan1);
    chan0.addChild(chan2);
    chan1.addChild(m0);
    m0.addChild(chan3);
    chan3.addChild(chan5);
    chan2.addChild(m1);
    m1.addChild(chan4);
    chan4.addChild(chan5);
    chan5.addChild(chan6);
    chan5.addChild(chan7);
    chan6.addChild(m2);
    chan7.addChild(m3);
    m2.addChild(chan8);
    m3.addChild(chan9);
    chan8.addChild(chan10);
    chan9.addChild(chan10);
    chan10.addChild(s0);

    List<List<Channel>> pathlist = getAllPaths(p0, new ArrayList<Channel>());
    printPaths(pathlist);

  }

  
  public static void printPaths(List<List<Channel>> pathlist) {
    System.out.println("Number of paths found: " + pathlist.size());
    for (List<Channel> p : pathlist) {
      for (Channel ch : p) {
        System.out.print("ID: " + ch.getID() + " ");
      }
      System.out.println("");
    }
  }

  public static List<List<Channel>> getAllPaths(Channel chan, List<Channel> path) {
    List<List<Channel>> pl = new ArrayList<List<Channel>>();
    getAllPathsRecursive(chan, path, pl);
    return pl;
  }

  public static void getAllPathsRecursive(Channel chan, List<Channel> path, List<List<Channel>> pathlist) {
    path.add(chan);
    if (chan.getChildren().size() == 0) { 
      pathlist.add(path);
    } else {
      for (Channel ch : chan.getChildren()) {
        getAllPathsRecursive(ch, new ArrayList<Channel>(path), pathlist);
      }
    }
  }
}