public void Read(BinaryReader reader)
{
for (var i = 0; i < BucketSize; i++)
{
_keys[i] = new DateTime(reader.ReadInt64());
}
for (var i = 0; i < BucketSize; i++)
{
_values[i] = new OffsetCount(reader.ReadInt64(), reader.ReadInt32());
}
}
public bool Add(DateTime dateTime, long offset)
{
if (dateTime == DefaultKey)
{
throw new ArgumentException("invalid date time");
}
var key = new DateTime(dateTime.Year, dateTime.Month, dateTime.Day);
var hash = HashKey(key);
var index = hash & Mask;
var found = false;
var oldIndex = index;
while (_keys[index] != DefaultKey)
{
if (_keys[index] == key)
{
found = true;
break;
}
hash++;
index = hash & Mask;
if (oldIndex == index)
{
throw new InvalidOperationException("Unexpected collision is detected in DateTimeToOffsetMap.");
}
}
if (found)
{
var old = _values[index];
_values[index] = new OffsetCount(old.Offset, old.Count + 1);
}
else
{
_keys[index] = key;
_values[index] = new OffsetCount(offset, 1);
_fileHeader.MarkAsDirty(true);
}
return(!found);
}
