diff --git a/src/storage/storage-handle.hpp b/src/storage/storage-handle.hpp
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+++ b/src/storage/storage-handle.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014,  Regents of the University of California.
+ *
+ * This file is part of NDN repo-ng (Next generation of NDN repository).
+ * See AUTHORS.md for complete list of repo-ng authors and contributors.
+ *
+ * repo-ng is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * repo-ng is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * repo-ng, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef REPO_STORAGE_STORAGE_HANDLE_HPP
+#define REPO_STORAGE_STORAGE_HANDLE_HPP
+
+#include "common.hpp"
+#include "storage-method.hpp"
+
+namespace repo {
+
+/**
+ * @brief this class defines handles to read, insert and delete data packets in storage media
+ */
+
+class StorageHandle : noncopyable
+{
+public:
+  class Error : public std::runtime_error
+  {
+  public:
+    explicit
+    Error(const std::string& what)
+      : std::runtime_error(what)
+    {
+    }
+  };
+
+  /**
+   * @brief Create a basic class object the specified storage type
+   */
+  explicit
+  StorageHandle(StorageMethod storageMethod);
+
+  virtual
+  ~StorageHandle();
+
+  /**
+   * @return storage method defined in storage-define.hpp
+   */
+  StorageMethod
+  getStorageMethod() const;
+
+  /**
+   * @brief insert data
+   * @return true on success, false otherwise
+   */
+  virtual bool
+  insertData(const Data& data) = 0;
+
+  /**
+   * @brief delete the data that exactly matches the name
+   * @return true on success, false otherwise
+   * @note It's considered successful if Data doesn't exist.
+   */
+  virtual bool
+  deleteData(const Name& name) = 0;
+
+  /**
+  * @brief find data according to the interest. This interest may contain selectors.
+  * @param[out] data Data matching Interest.
+  * @return true if Data is found, false otherwise
+  */
+  virtual bool
+  readData(const Interest& interest, Data& data) = 0;
+
+  /**
+   * @return if storage media has data packets with this name, return true, else return false
+   */
+  virtual bool
+  hasName(const Name& name) = 0;
+
+  /**
+   * @brief select any data conforms to the selector
+   * @param[out] names Data names matching @p name and @p selectors.
+   * @return true if at least one Data is found, false otherwise
+   */
+  virtual bool
+  readNameAny(const Name& name, const Selectors& selectors, vector<Name>& names) = 0;
+
+  /**
+   * @brief Get the number of Data packets stored
+   */
+  virtual size_t
+  size() = 0;
+
+private:
+  StorageMethod m_storageMethod;
+};
+
+inline
+StorageHandle::StorageHandle(StorageMethod storageMethod)
+  : m_storageMethod(storageMethod)
+{
+}
+
+inline
+StorageHandle::~StorageHandle()
+{
+}
+
+inline StorageMethod
+StorageHandle::getStorageMethod() const
+{
+  return m_storageMethod;
+}
+
+} // namespace repo
+
+#endif // REPO_STORAGE_STORAGE_HANDLE_HPP