/// <summary>
/// Converts the absolute duration represented by
/// the given <see cref="System.TimeSpan"/>
/// value to an <see cref="System.Int64"/> value
/// representing the number of milliseconds since
/// <c>January 1, 1970 00:00:00 GMT</c>.
/// </summary>
/// <param name="timeSpanValue">
/// For which to retrieve the <c>Int64</c> value.
/// </param>
/// <returns>
/// The corresponding value.
/// </returns>
public static long ToTimestampInMillis(TimeSpan timeSpanValue)
{
timeSpanValue = timeSpanValue.Duration();
JavaGregorianCalendar cal = HsqlConvert.GetJavaGregorianCalendar();
cal.clear();
cal.add(JavaCalendar.DAY_OF_YEAR, timeSpanValue.Days);
cal.add(JavaCalendar.HOUR_OF_DAY, timeSpanValue.Hours);
cal.add(JavaCalendar.MINUTE, timeSpanValue.Minutes);
cal.add(JavaCalendar.SECOND, timeSpanValue.Seconds);
cal.add(JavaCalendar.MILLISECOND, timeSpanValue.Milliseconds);
return cal.getTimeInMillis();
}
/// <summary>
/// Retrieves the absolute duration, in whole number of days,
/// of the given <see cref="System.TimeSpan"/> value as
/// the number of milliseconds since
/// <c>January 1, 1970, 00:00:00 GMT</c>.
/// </summary>
/// <param name="timeSpanValue">
/// To convert to an <c>Int64</c> date in milliseconds value.
/// </param>
/// <returns>
/// The corresponding <c>Int64</c> value.
/// </returns>
public static long ToDateInMillis(TimeSpan timeSpanValue)
{
timeSpanValue = timeSpanValue.Duration();
JavaGregorianCalendar cal = HsqlConvert.GetJavaGregorianCalendar();
cal.clear();
cal.add(JavaCalendar.DAY_OF_YEAR, timeSpanValue.Days);
return cal.getTimeInMillis();
}
/// <summary>
/// Retrieves the number of milliseconds since
/// <c>January 1, 1970, 00:00:00 GMT</c> represented
/// by the <c>Hours</c>, <c>Minutes</c> and <c>Seconds</c>
/// portions of the given <see cref="TimeSpan"/>,
/// interpreted as an absolute duration.
/// </summary>
/// <param name="value">
/// For which to retrieve the <c>Int64</c> value.
/// </param>
/// <returns>
/// The corresponding value.
/// </returns>
public static long ToTimeInMillis(TimeSpan value)
{
value = value.Duration();
JavaCalendar cal = HsqlConvert.GetJavaGregorianCalendar();
cal.clear();
cal.set(JavaCalendar.HOUR_OF_DAY, value.Hours);
cal.set(JavaCalendar.MINUTE, value.Minutes);
cal.set(JavaCalendar.SECOND, value.Seconds);
return cal.getTimeInMillis();
}
public TimeSpan Duration()
{
return(new TimeSpan(m_base.Duration(), System.Math.Abs(m_microseconds), System.Math.Abs(m_nanoseconds)));
}
