--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/test/JungleWriteThread.java	Wed Nov 30 01:47:55 2016 +0900
@@ -0,0 +1,44 @@
+package jp.ac.u_ryukyu.ie.cr.jungle.test;
+
+import jp.ac.u_ryukyu.ie.cr.jungle.JungleTree;
+import jp.ac.u_ryukyu.ie.cr.jungle.JungleTreeEditor;
+import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.DefaultNodePath;
+
+import java.nio.ByteBuffer;
+
+
+public class JungleWriteThread extends Thread {
+
+    JungleTree tree;
+    boolean loop = true;
+    private int writeCount;
+
+    public JungleWriteThread(JungleTree tree) {
+        this.tree = tree;
+    }
+
+    public void set(boolean flag) {
+        loop = flag;
+    }
+
+    public void get() {
+        System.out.println("writeCount = " + writeCount);
+    }
+
+    @Override
+    public void run() {
+        while (loop) {
+            try {
+                Thread.sleep(100);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            JungleTreeEditor editor = tree.getTreeEditor();
+            editor = editor.putAttribute(new DefaultNodePath(), "key", ByteBuffer.wrap(String.valueOf(0).getBytes())).b();
+            if (editor.success().isA())
+                System.out.println("faild");
+            else
+                writeCount++;
+        }
+    }
+}