import java.util.Vector;

public class Node
{
    public static Vector<Node> allNodes = new Vector<>();

    int id;
    Node par;
    int beginIndex, endIndex;
    String type;
    Vector<Node> children;
    String varName;
    Polynomial expr;
    QuadraticCombination nondetLow, nondetUp;
    Vector<PolynomialPredicate> guard;

    Node(Node par, int beginIndex, int endIndex, String type)
    {
        allNodes.add(this);
        id = allNodes.size() - 1;
        this.par = par;
        this.beginIndex = beginIndex;
        this.endIndex = endIndex;
        this.type = type;
        this.expr = null;
        this.guard = new Vector<>();
        children = new Vector<>();

        if (par != null)
            par.children.add(this);
    }

    public String toString()
    {
        String ret = "";
        ret += "Node #" + id + "\n";
        if (par != null)
            ret += "Par: " + par.id + "\n";
        else
            ret += "Par: null\n";

        ret += "beginIndex=" + beginIndex + "\t" + "endIndex=" + endIndex + "\n";
        ret += "type: " + type + "\n";
        ret += "guard:";
        for (PolynomialPredicate lp : guard)
            ret += lp.toNormalString() + "\n";
        return ret;
    }
}
