--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/bbs/network/JungleTransaction.java	Wed Jul 19 17:15:37 2017 +0900
@@ -0,0 +1,10 @@
+package jp.ac.u_ryukyu.ie.cr.bbs.network;
+
+import jp.ac.u_ryukyu.ie.cr.jungle.store.logger.LoggingNode;
+
+/**
+ * Created by one on 2017/07/19.
+ */
+public interface JungleTransaction {
+    LoggingNode transaction(LoggingNode logNode);
+}

--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/bbs/network/NetworkJungleBulletinBoard.java	Wed Jul 19 16:16:17 2017 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/bbs/network/NetworkJungleBulletinBoard.java	Wed Jul 19 17:15:37 2017 +0900
@@ -180,31 +180,38 @@
         }
         editor = either.b();
 
+        jungleTransaction(editor, root,0, timestamp, logNode -> {
+            logNode = logNode.getAttributes().put("author", ByteBuffer.wrap(_author.getBytes())).b();
+                logNode = logNode.getAttributes().put("mes", ByteBuffer.wrap(_initMessage.getBytes())).b();
+                logNode = logNode.getAttributes().put("key", ByteBuffer.wrap(_editKey.getBytes())).b();
+                return logNode;
+            });
+    }
+
+    private Either<Error, JungleTreeEditor> jungleTransaction(JungleTreeEditor editor, DefaultNodePath path, int size, final long timestamp, JungleTransaction getLoggingNode) {
+        Either<Error, JungleTreeEditor> either;
         NodeEditor e = new NodeEditor() {
-            ByteBuffer tBuffer2 = ByteBuffer.allocate(16);
 
             public Either<Error, LoggingNode> edit(TreeNode node) {
                 LoggingNode logNode = wrap(node,null, new DefaultOperationLog());
-                logNode = logNode.getAttributes().put("author", ByteBuffer.wrap(_author.getBytes())).b();
-                logNode = logNode.getAttributes().put("mes", ByteBuffer.wrap(_initMessage.getBytes())).b();
-                logNode = logNode.getAttributes().put("key", ByteBuffer.wrap(_editKey.getBytes())).b();
+                ByteBuffer tBuffer2 = ByteBuffer.allocate(16);
+                logNode = getLoggingNode.transaction(logNode);
                 tBuffer2.putLong(timestamp);
                 logNode = logNode.getAttributes().put("timestamp", tBuffer2).b();
                 return DefaultEither.newB(logNode);
             }
-
             @Override
             public LoggingNode wrap(TreeNode treeNode, TreeNode treeNode1, OperationLog operationLog) {
                 return new LoggingNode(treeNode, operationLog);
             }
         };
 
-        either = editor.edit(root.add(0), e);
+        either = editor.edit(path.add(size), e);
         if (either.isA()) {
             throw new IllegalStateException();
         }
         either.b().success();
-
+        return either;
     }
 
     public void createFolder(final String _board, final String _author, final String _message, final String _editKey,
@@ -246,28 +253,11 @@
             }
             editor = either.b();
 
-            NodeEditor e = new NodeEditor() {
-
-                public Either<Error, LoggingNode> edit(TreeNode node) {
-                    LoggingNode logNode = wrap(node,null, new DefaultOperationLog());
-                    logNode = logNode.getAttributes().put("mes", ByteBuffer.wrap(_message.getBytes())).b();
-                    logNode = logNode.getAttributes().put("timestamp", tBuffer).b();
-                    return DefaultEither.newB(logNode);
-                }
-
-                @Override
-                public LoggingNode wrap(TreeNode node, TreeNode node1, OperationLog op) {
-                    return new LoggingNode(node, op);
-                }
-
-            };
-            path = path.add(size);
-            either = editor.edit(path, e);
-            if (either.isA()) {
-                throw new IllegalStateException();
-            }
-            editor = either.b();
-            either = editor.success();
+            either = jungleTransaction(editor, path,size, timestamp, logNode -> {
+                logNode = logNode.getAttributes().put("mes", ByteBuffer.wrap(_message.getBytes())).b();
+                logNode = logNode.getAttributes().put("timestamp", tBuffer).b();
+                return logNode;
+            });
         } while (either.isA());
 
     }