Introducing a separate Scheduler class

SyncLogic almost works...
diff --git a/model/sync-scheduler.h b/model/sync-scheduler.h
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+++ b/model/sync-scheduler.h
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+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2012 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Zhenkai Zhu <zhenkai@cs.ucla.edu>
+ *         卞超轶 Chaoyi Bian <bcy@pku.edu.cn>
+ *	   Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef SYNC_SCHEDULER_H
+#define SYNC_SCHEDULER_H
+
+#include <boost/thread/thread.hpp>
+#include <boost/thread/mutex.hpp>
+
+#include "sync-logic-event-container.h"
+
+namespace Sync {
+
+/**
+ * @ingroup sync
+ * @brief General purpose event scheduler
+ *
+ * This class internally runs a thread and events can be scheduled by specifying an absolute or relative time of the event
+ */
+class Scheduler
+{
+public:
+  /**
+   * @brief Default constructor. Thread will be created
+   */
+  Scheduler ();
+  /**
+   * @brief Destructor. Thread will be nicely stopped
+   */
+  ~Scheduler ();
+
+  /**
+   * @brief Schedule an event at absolute time 'abstime'
+   * @param abstime Absolute time
+   * @param event function to be called at the time
+   */
+  void
+  schedule (const boost::system_time &abstime, Event event);
+
+  /**
+   * @brief Schedule an event at relative time 'reltime'
+   * @param abstime Relative time
+   * @param event function to be called at the time
+   */
+  void
+  schedule (const boost::posix_time::time_duration &reltime, Event event); 
+
+
+#ifdef _DEBUG
+  size_t
+  getEventsSize ()
+  {
+    boost::lock_guard<boost::mutex> lock (m_eventsMutex);
+    return m_events.size ();
+  }
+#endif
+  
+private:
+  void
+  threadLoop ();
+    
+private:
+  EventsContainer m_events;
+  boost::condition_variable m_eventsCondition;
+  boost::mutex  m_eventsMutex;
+
+  boost::thread m_thread;
+  bool          m_threadRunning;
+};
+  
+}
+
+#endif // SYNC_SCHEDULER_H