/// <summary>
/// Gets maximum value of the provided field.
/// </summary>
/// <typeparam name="TField"></typeparam>
/// <param name="field"></param>
/// <returns></returns>
public TField Maximum <TField>(IField <TRecord, TField> field)
{
this.table.ValidateField(field);
if (!this.IsEmpty())
{
List <IIndex <TRecord> > list = this.table.Indexes[field.Order];
if (list != null)
{
foreach (IIndex <TRecord> index in list)
{
if (((IFieldHolder)index).Field == field)
{
RangeIndex <TField> rangeIndex = index as RangeIndex <TField>;
if (rangeIndex != null)
{
return(rangeIndex.MaximumValue(this.StoreSnapshot.Version));
}
}
}
}
TField max = field.DefaultValue;
bool first = true;
foreach (RowId rowId in this)
{
if (first)
{
max = this.GetField(rowId, field);
first = false;
}
else
{
TField value = this.GetField(rowId, field);
if (field.Compare(max, value) < 0)
{
max = value;
}
}
}
return(max);
}
return(field.DefaultValue);
}
