diff --git a/src/util/scheduler-scoped-event-id.hpp b/src/util/scheduler-scoped-event-id.hpp
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+++ b/src/util/scheduler-scoped-event-id.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_UTIL_SCHEDULER_SCOPED_EVENT_ID_HPP
+#define NDN_UTIL_SCHEDULER_SCOPED_EVENT_ID_HPP
+
+#include "scheduler.hpp"
+
+namespace ndn {
+namespace util {
+namespace scheduler {
+
+/** \brief Event that is automatically cancelled upon destruction
+ */
+class ScopedEventId : noncopyable
+{
+public:
+  /** \brief Construct ScopedEventId tied to the specified scheduler
+   *  \param scheduler Scheduler to which the event is tied.  Behavior is undefined if
+   *                   scheduler is destructed before an uncanceled ScopedEventId.
+   */
+  explicit
+  ScopedEventId(Scheduler& scheduler);
+
+  /** \brief move constructor
+   */
+  ScopedEventId(ScopedEventId&& other);
+
+  /** \brief assigns an event
+   *
+   *  If a different event has been assigned to this instance previously,
+   *  that event will be cancelled immediately.
+   *
+   *  \note The caller should ensure that ScopedEventId is tied to a correct scheduler.
+   *        Behavior is undefined when assigning event scheduled in another scheduler instance.
+   */
+  ScopedEventId&
+  operator=(const EventId& event);
+
+  /** \brief cancels the event
+   */
+  ~ScopedEventId();
+
+  /** \brief cancels the event manually
+   */
+  void
+  cancel();
+
+  /** \brief releases the event so that it won't be canceled
+   *         when this ScopedEventId is destructed
+   */
+  void
+  release();
+
+private:
+  Scheduler* m_scheduler; // pointer to allow move semantics
+  EventId m_event;
+};
+
+} // namespace scheduler
+} // namespace util
+} // namespace ndn
+
+#endif // NDN_UTIL_SCHEDULER_SCOPED_EVENT_ID_HPP