configmgr/source/treecache/timestamp.hxx

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  30
  31 #ifndef CONFIGMGR_TIMESTAMP_HXX
  32 #define CONFIGMGR_TIMESTAMP_HXX
  33
  34 #include <vos/timer.hxx>
  35
  36 namespace configmgr
  37 {
  38 ////////////////////////////////////////////////////////////////////////////////
  39
  40     class TimeInterval
  41     {
  42         vos::TTimeValue m_aTime;
  43     public:
  44         TimeInterval() : m_aTime()
  45         {}
  46
  47         explicit
  48         TimeInterval(sal_uInt32 nSeconds) : m_aTime(nSeconds,0)
  49         {}
  50
  51         explicit
  52         TimeInterval(const TimeValue& rTimeValue) : m_aTime(rTimeValue)
  53         {}
  54
  55         sal_Bool isEmpty() const { return m_aTime.isEmpty(); }
  56
  57         vos::TTimeValue const& getTimeValue() const { return m_aTime; }
  58     };
  59 ////////////////////////////////////////////////////////////////////////////////
  60
  61     class TimeStamp
  62     {
  63         vos::TTimeValue m_aTime;
  64     public:
  65         TimeStamp() : m_aTime()
  66         {}
  67
  68         explicit
  69         TimeStamp(TimeValue const& rTimeValue) : m_aTime(rTimeValue)
  70         {}
  71
  72         TimeStamp& operator += (TimeInterval const& aInterval)
  73         { m_aTime.addTime(aInterval.getTimeValue()); return *this; }
  74
  75         vos::TTimeValue const& getTimeValue() const { return m_aTime; }
  76
  77         sal_Bool isNever() const;
  78
  79         static TimeStamp getCurrentTime();
  80         static TimeStamp never(); // is later than (>) any other TimeStamp
  81     };
  82
  83     inline
  84     TimeStamp operator +(TimeStamp const& aTime, TimeInterval const& aInterval)
  85     {
  86         TimeStamp aResult(aTime);
  87         aResult += aInterval;
  88         return aResult;
  89     }
  90     inline
  91     TimeStamp operator +(TimeInterval const& aInterval, TimeStamp const& aTime)
  92     {
  93         TimeStamp aResult(aTime);
  94         aResult += aInterval;
  95         return aResult;
  96     }
  97 ////////////////////////////////////////////////////////////////////////////////
  98     inline sal_Bool operator ==(TimeStamp const& lhs, TimeStamp const& rhs)
  99     { return lhs.getTimeValue() == rhs.getTimeValue(); }
 100     inline sal_Bool operator < (TimeStamp const& lhs, TimeStamp const& rhs)
 101     { return lhs.getTimeValue() < rhs.getTimeValue(); }
 102     inline sal_Bool operator > (TimeStamp const& lhs, TimeStamp const& rhs)
 103     { return lhs.getTimeValue() > rhs.getTimeValue(); }
 104
 105     inline sal_Bool operator !=(TimeStamp const& lhs, TimeStamp const& rhs)
 106     { return !(lhs == rhs); }
 107     inline sal_Bool operator <=(TimeStamp const& lhs, TimeStamp const& rhs)
 108     { return !(rhs < lhs); }
 109     inline sal_Bool operator >=(TimeStamp const& lhs, TimeStamp const& rhs)
 110     { return !(lhs < rhs); }
 111
 112     inline sal_Bool TimeStamp::isNever() const
 113     {
 114         return never() <= *this;
 115     }
 116 ////////////////////////////////////////////////////////////////////////////////
 117
 118     struct ltTimeStamp //: std::binary_function<TimeStamp,TimeStamp,bool>
 119     {
 120         bool operator()(TimeStamp const& lhs, TimeStamp const& rhs) const
 121         { return !!(lhs < rhs); }
 122     };
 123
 124 ////////////////////////////////////////////////////////////////////////////////
 125 } // namespace configmgr
 126
 127 #endif // CONFIGMGR_TIMESTAMP_HXX
 128