Separating scheduler into bunch of files
diff --git a/scheduler/one-time-task.cc b/scheduler/one-time-task.cc
new file mode 100644
index 0000000..e31c951
--- /dev/null
+++ b/scheduler/one-time-task.cc
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013 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>
+ *         Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#include "one-time-task.h"
+#include "scheduler.h"
+
+OneTimeTask::OneTimeTask(const Callback &callback, const Tag &tag, const SchedulerPtr &scheduler, double delay)
+            : Task(callback, tag, scheduler)
+{
+  setTv(delay);
+}
+
+void
+OneTimeTask::run()
+{
+  if (!m_invoked)
+  {
+    m_callback();
+    m_invoked = true;
+    deregisterSelf();
+  }
+}
+
+void
+OneTimeTask::deregisterSelf()
+{
+  m_scheduler->deleteTask(m_tag);
+}
+
+void
+OneTimeTask::reset()
+{
+  m_invoked = false;
+}