/// <summary>
/// 改变索引状态
/// </summary>
private void CheckIndexState()
{
log.Debug("Checking Index state...");
int last = _index.GetLastIndexedRecordNumber();
int count = _archive.Count();
if (last < count)
{
//重建索引
log.Debug("Rebuilding index...");
log.Debug(" last index count = " + last);
log.Debug(" data items count = " + count);
// check last index record and archive record
// rebuild index if needed
for (int i = last; i < count; i++)
{
bool deleted = false;
T key = _archive.GetKey(i, out deleted);
if (deleted == false)
{
_index.Set(key, i);
}
else
{
_index.RemoveKey(key);
}
if (i % 100000 == 0)
{
log.Debug("100,000 items re-indexed");
}
}
log.Debug("Rebuild index done.");
}
}
