/*
TreeSplicer, a framework to enhance temporal locality in repeated tree traversals.
Youngjoon Jo (yjo@purdue.edu)
https://sites.google.com/site/treesplicer/

Copyright 2012, School of Electrical and Computer Engineering, Purdue University.

These benchmarks are adapted from the Lonestar benchmark suite:
http://iss.ices.utexas.edu/?p=projects/galois/lonestar
 */
package edu.rice.hj.example.applications.barneshut;

/**
 * <p>OctTreeNodeData class.</p>
 *
 * @author <a href="http://shams.web.rice.edu/">Shams Imam</a> (shams@rice.edu)
 */
public class OctTreeNodeData { // the internal nodes are cells that summarize their children's properties
    public double mass;
    public double posx;
    public double posy;
    public double posz;

    /**
     * Constructor that initializes the mass with zero and the position with the
     * passed in values.
     *
     * @param px double value used to initialize the x coordinate
     * @param py double value used to initialize the y coordinate
     * @param pz double value used to initialize the z coordinate
     */
    public OctTreeNodeData(double px, double py, double pz) {
        mass = 0.0;
        posx = px;
        posy = py;
        posz = pz;
        //    id = nextId++;
    }

    /**
     * This method determines whether a tree node is a leaf.
     *
     * @return a boolean indicating whether the current object is a leaf node
     */
    public boolean isLeaf() {
        return false;
    }

    /**
     * {@inheritDoc}
     * <p>
     * This method converts the mass and position information into a string.
     */
    @Override
    public String toString() {
        String result = "mass = " + mass;
        result += "pos = (" + posx + "," + posy + "," + posz + ")";
        return result;
    }

    /**
     * This method reads the x coordinate of this node.
     *
     * @return a double value that represents the x coordinate
     */
    public double posx() {
        return posx;
    }

    /**
     * This method reads the y coordinate of this node.
     *
     * @return a double value that represents the y coordinate
     */
    public double posy() {
        return posy;
    }

    /**
     * This method reads the z coordinate of this node.
     *
     * @return a double value that represents the z coordinate
     */
    public double posz() {
        return posz;
    }
}