--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/traverser/InterfaceTraverser.java	Fri Oct 24 18:49:48 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/traverser/InterfaceTraverser.java	Sat Oct 25 16:50:32 2014 +0900
@@ -71,7 +71,59 @@
 
 
 
-	public Iterator<Pair<TreeNode, NodePath>> find(Query query, String key, String searchValue) {
+		public Iterator<Pair<TreeNode, NodePath>> find(Query query, TreeNode searchNode, String key, String searchValue) {
+			
+			final PathNodeIterator itNode = new PathNodeIterator(searchNode);
+			return new Iterator<Pair<TreeNode, NodePath>>() {
+
+				private Pair<TreeNode, NodePath> matchPair = nextmatch(itNode);
+
+				private Pair<TreeNode, NodePath> nextmatch(
+						PathNodeIterator itNode) {
+
+					for (; itNode.hasNext();) {
+						Pair<TreeNode, NodePath> pathNode = itNode.next();
+						if (query.condition(pathNode.left()))
+							return pathNode;
+					}
+					return null;
+				}
+
+				@Override
+				public boolean hasNext() {
+					if (matchPair == null) {
+//						index = itNode.getIndex();
+						return false;
+					}
+					return true;
+				}
+
+				@Override
+				public Pair<TreeNode, NodePath> next() {
+					Pair<TreeNode, NodePath> currentPair = matchPair;
+					matchPair = nextmatch(itNode);
+					return currentPair;
+				}
+
+				@Override
+				public void remove() {
+					// TODO Auto-generated method stub
+
+				}
+
+			};
+		
+	}
+	
+		public Iterator<Pair<TreeNode, NodePath>> find(Query query) {
+			return find(query, node, null, null);
+		}
+		
+		public Iterator<Pair<TreeNode, NodePath>> find(Query query, TreeNode searchNode) {
+			return find(query, searchNode, null, null);
+		}
+		
+		public Iterator<Pair<TreeNode, NodePath>> find(Query query, String key, String searchValue) {
 		
 		if (index.get(key).isSome()) {