table: StrategyInfoHost stores multiple StrategyInfo of distinct types

refs #2240

Change-Id: I25062260e3bb4f2f36989305431d4b718d320505
diff --git a/daemon/fw/strategy-info.hpp b/daemon/fw/strategy-info.hpp
index d670f10..b701fc5 100644
--- a/daemon/fw/strategy-info.hpp
+++ b/daemon/fw/strategy-info.hpp
@@ -1,11 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014  Regents of the University of California,
- *                     Arizona Board of Regents,
- *                     Colorado State University,
- *                     University Pierre & Marie Curie, Sorbonne University,
- *                     Washington University in St. Louis,
- *                     Beijing Institute of Technology
+ * Copyright (c) 2014,  Regents of the University of California,
+ *                      Arizona Board of Regents,
+ *                      Colorado State University,
+ *                      University Pierre & Marie Curie, Sorbonne University,
+ *                      Washington University in St. Louis,
+ *                      Beijing Institute of Technology,
+ *                      The University of Memphis
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -20,7 +21,7 @@
  *
  * You should have received a copy of the GNU General Public License along with
  * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
- **/
+ */
 
 #ifndef NFD_DAEMON_FW_STRATEGY_INFO_HPP
 #define NFD_DAEMON_FW_STRATEGY_INFO_HPP
@@ -30,12 +31,21 @@
 namespace nfd {
 namespace fw {
 
-/** \class StrategyInfo
- *  \brief contains arbitrary information forwarding strategy places on table entries
+/** \brief contains arbitrary information forwarding strategy places on table entries
  */
 class StrategyInfo
 {
 public:
+  /** \fn static constexpr int getTypeId()
+   *  \return an integer that uniquely identifies this StrategyInfo type
+   *  \sa http://redmine.named-data.net/projects/nfd/wiki/StrategyInfoType
+   */
+  // static constexpr int
+  // getTypeId()
+  // {
+  //   return <type-identifier>;
+  // }
+
   virtual
   ~StrategyInfo();
 };