/// <summary>
/// This function compares dates only by chronological year.
/// Month and day are not taken into account, the year is compared with the calendar.
/// </summary>
/// <param name="tag"></param>
/// <param name="matchParams"></param>
/// <returns></returns>
public override float IsMatch(GDMCustomDate tag, MatchParams matchParams)
{
if (tag == null)
{
return(0.0f);
}
GDMDateValue date = (GDMDateValue)tag;
if (IsEmpty() || date.IsEmpty())
{
return(0.0f);
}
int absVal1 = this.GetChronologicalYear();
int absVal2 = date.GetChronologicalYear();
float match = 0.0f;
float matches = 0.0f;
if (absVal1 != 0 && absVal2 != 0)
{
matches += 1.0f;
if (Math.Abs(absVal1 - absVal2) <= matchParams.YearsInaccuracy)
{
match += 100.0f;
}
}
return(match / matches);
}
public override string ParseString(string strValue)
{
if (fValue != null)
{
fValue = null;
}
return(string.IsNullOrEmpty(strValue) ? string.Empty : ParseDateValue(this, strValue));
}
public override void Assign(GDMCustomDate source)
{
GDMDate srcDate = source as GDMDate;
if (srcDate == null)
{
throw new ArgumentException(@"Argument is null or wrong type", "source");
}
fApproximated = srcDate.fApproximated;
fYear = srcDate.fYear;
fYearBC = srcDate.fYearBC;
fYearModifier = srcDate.fYearModifier;
fMonth = srcDate.fMonth;
fDay = srcDate.fDay;
DateChanged();
}
/// <summary>
/// Internal helper method for parser
/// </summary>
internal void SetRawData(GDMCustomDate value)
{
fValue = value;
}
public GDMDateValue()
{
fValue = null;
}
