using UnityEngine;
using System.Collections.Generic;

// override need? 

public class DefaultTreeContext : TreeContext {
	private TreeNode root;
	private TreeContext previous;
	private ChangeList changeList;
	private string uuid;
	private string treeName;
	private long revision;
	private InterfaceTraverser traverser;

	public DefaultTreeContext(TreeNode _node, TreeContext _prev, ChangeList _log, string _uuid, string _treeName, long _revision, InterfaceTraverser traverser) {
		this.root = _node;
		this.previous = _prev;
		this.changeList = _log;
		this.uuid = _uuid;
		this.treeName = _treeName;
		this.revision = _revision;
		this.traverser = traverser;
	}

	public TreeNode getRoot() {
		return root;
	}

	public TreeContext prev() {
		return previous;
	}

	public ChangeList getChangeList() {
		return changeList;
	}
		
	public string getUuid() {
		return uuid;
	}

	public string getTreeName() {
		return treeName;
	}

	public long getRevision() {
		return revision;
	}

	public IEnumerable<TreeOperation> getOperations() {
		return changeList;
	}

	public TreeMap<string, TreeMap<string, List<TreeNode>>> getIndex() {
		return traverser.getIndex ();
	}

	// don't write parent Index.

	public InterfaceTraverser getTraverser() {
		return traverser;
	}

}