private void IncrementRecord(TagRecord record)
{
record.MentionCount++;
record.ExpirationDate = DateTime.Now + RecordLifetime;
}
/// <summary>
/// Deletes a record from the history.
/// </summary>
/// <param name="record">The record to delete</param>
public void Delete(TagRecord record)
{
if (record == null)
{
throw new ArgumentNullException("record");
}
_history.Remove(record.Tag);
}
private TagRecord CreateTagRecord(string tag)
{
string loweredTag = NormalizeTag(tag);
var record = new TagRecord(loweredTag);
_history[record.Tag] = record;
return record;
}
