[Stdair-svn] SF.net SVN: stdair:[97] trunk/stdair/stdair/basic

[<den...@us...>]

Revision: 97
          http://stdair.svn.sourceforge.net/stdair/?rev=97&view=rev
Author:   denis_arnaud
Date:     2010-01-20 15:16:23 +0000 (Wed, 20 Jan 2010)

Log Message:
-----------
[Dev] Added BasChronometer class.

Modified Paths:
--------------
    trunk/stdair/stdair/basic/sources.mk

Added Paths:
-----------
    trunk/stdair/stdair/basic/BasChronometer.cpp
    trunk/stdair/stdair/basic/BasChronometer.hpp

Added: trunk/stdair/stdair/basic/BasChronometer.cpp
===================================================================
--- trunk/stdair/stdair/basic/BasChronometer.cpp	                        (rev 0)
+++ trunk/stdair/stdair/basic/BasChronometer.cpp	2010-01-20 15:16:23 UTC (rev 97)
@@ -0,0 +1,45 @@
+// //////////////////////////////////////////////////////////////////////
+// Import section
+// //////////////////////////////////////////////////////////////////////
+// STL
+#include <cassert>
+// Stdair
+#include <stdair/basic/BasChronometer.hpp>
+
+namespace stdair {
+
+  // //////////////////////////////////////////////////////////////////////
+  BasChronometer::BasChronometer () : _startTimeLaunched (false) {
+  }
+
+  // //////////////////////////////////////////////////////////////////////
+  void BasChronometer::start () {
+    // Get the time-stamp of now, and store it for later use
+    _startTime = boost::posix_time::microsec_clock::local_time();
+    
+    // Update the boolean which states whether the chronometer
+    // is launched
+    _startTimeLaunched = true;
+  }
+    
+  // //////////////////////////////////////////////////////////////////////
+  double BasChronometer::elapsed () const {
+    assert (_startTimeLaunched == true);
+    
+    // Get the time-stamp of now
+    const boost::posix_time::ptime lStopTime =
+      boost::posix_time::microsec_clock::local_time();
+    
+    // Calculate the time elapsed since the last time-stamp
+    const boost::posix_time::time_duration lElapsedTime =
+      lStopTime - _startTime;
+
+    // Derived the corresponding number of milliseconds
+    const double lElapsedTimeInMicroSeconds =
+      static_cast<const double> (lElapsedTime.total_microseconds());
+    
+    // The elapsed time given in return is expressed in seconds
+    return (lElapsedTimeInMicroSeconds / 1e6);
+  }
+
+}

Added: trunk/stdair/stdair/basic/BasChronometer.hpp
===================================================================
--- trunk/stdair/stdair/basic/BasChronometer.hpp	                        (rev 0)
+++ trunk/stdair/stdair/basic/BasChronometer.hpp	2010-01-20 15:16:23 UTC (rev 97)
@@ -0,0 +1,41 @@
+#ifndef __STDAIR_BAS_BASCHRONOMETER_HPP
+#define __STDAIR_BAS_BASCHRONOMETER_HPP
+
+// //////////////////////////////////////////////////////////////////////
+// Import section
+// //////////////////////////////////////////////////////////////////////
+// Boost (STL Extension)
+// Boost Date-Time (http://boost.org/doc/html/date_time/posix_time.html)
+#include <boost/date_time/posix_time/posix_time.hpp>
+
+namespace stdair {
+
+  /** Structure allowing measuring the time elapsed between two events. */
+  struct BasChronometer {
+    /** Constructor. */
+    BasChronometer();
+      
+    /** Start the chronometer from the local time
+        <br>The elapsed time given is the one elapsed since the start
+        is launched. */
+    void start ();
+    
+    /** Get the start time. */
+    std::string getStart () const {
+      return boost::posix_time::to_simple_string (_startTime);
+    }
+    
+    /** Return the time elapsed since the structure has been instanciated.
+        <br>That elapsed time is expressed in seconds. */
+    double elapsed () const;
+    
+  private:
+    /** Start time. */
+    boost::posix_time::ptime _startTime;
+
+    /** Boolean which states whether the chronometer is started or not.*/
+    bool _startTimeLaunched;
+  };
+
+}
+#endif // __STDAIR_BAS_BASCHRONOMETER_HPP

Modified: trunk/stdair/stdair/basic/sources.mk
===================================================================
--- trunk/stdair/stdair/basic/sources.mk	2010-01-19 18:44:31 UTC (rev 96)
+++ trunk/stdair/stdair/basic/sources.mk	2010-01-20 15:16:23 UTC (rev 97)
@@ -5,6 +5,8 @@
 				$(top_srcdir)/stdair/basic/BasConst_BookingClass.hpp \
 				$(top_srcdir)/stdair/basic/BasConst_Yield.hpp \
 				$(top_srcdir)/stdair/basic/BasConst_Period_BOM.hpp \
-				$(top_srcdir)/stdair/basic/BasConst_TravelSolution.hpp
+				$(top_srcdir)/stdair/basic/BasConst_TravelSolution.hpp \
+				$(top_srcdir)/stdair/basic/BasChronometer.hpp
 bas_cc_sources = \
-				$(top_srcdir)/stdair/basic/BasConst.cpp
+				$(top_srcdir)/stdair/basic/BasConst.cpp \
+				$(top_srcdir)/stdair/basic/BasChronometer.cpp


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