--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/TreeContext.java	Tue Mar 17 11:19:04 2015 +0900
@@ -0,0 +1,25 @@
+package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store;
+
+
+
+import fj.data.TreeMap;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeList;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
+import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.ParentIndex;
+
+public interface TreeContext
+{
+	public TreeNode getRoot();
+	public TreeContext prev();
+	public ChangeList getChangeList();
+	
+	public String uuid();
+	public String getTreeName();
+	public long revision();
+	public TreeMap<String, TreeMap<String, TreeMap<TreeNode, TreeNode>>> getIndex();
+	public Iterable<TreeOperation> getOperations();
+    public ParentIndex getParentIndex();
+    public void setIndex(TreeMap<String, TreeMap<String, TreeMap<TreeNode, TreeNode>>> index);
+    public void setParentIndex(ParentIndex parentIndex);
+}