package alice.jungle.persistent;

import fj.data.List;
import fj.data.TreeMap;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListWriter;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.ChangeSet;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.TreeEditor;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.AtomicReservableReference;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultJungleTreeEditor;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.TreeContext;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser.InterfaceTraverser;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Pair;

public class PersistentJungleTree implements JungleTree {
	private final AtomicReservableReference<TreeContext> repository;
	private final String uuid;
	private final String treeName;
	private final ChangeListWriter writer;
	private final TreeEditor editor;

	public PersistentJungleTree(String _treeName, TreeContext _tc,String _uuid, ChangeListWriter _writer,TreeEditor _editor)
	{
		treeName = _treeName;
		repository = new AtomicReservableReference<TreeContext>(_tc);
		uuid = _uuid;
		writer = _writer;
		editor = _editor;
	}

	@Override
	public JungleTreeEditor getTreeEditor()
	{
		TreeContext tc = repository.get();
		PersistentTransactionManager txManager = new PersistentTransactionManager(treeName, writer,tc,repository,uuid);
		TreeNode root = tc.getTreeNode();
		return new DefaultJungleTreeEditor(root,txManager,editor);
	}

	@Override
	public TreeNode getRootNode()
	{
		TreeContext tc = repository.get();
		ChangeSet cs = tc.getChangeSet();
		return cs.getRoot();
	}

	@Override
	public JungleTreeEditor getLocalTreeEditor() {
		return getTreeEditor();
	}

	@Override
	public InterfaceTraverser getTraverser() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> getIndex() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public JungleTreeEditor getIndexTreeEditor() {
		// TODO Auto-generated method stub
		return null;
	}


}