public IEnumerable <T> Find <T>(string tablename, string key) where T : new()
{
string tablefile = GetTableFile(tablename);
EntityTableMeta meta = GetMetaData(tablename);
Dictionary <long, EntityTableIndexItem> arr = null;
EntityTableIndexItem indexitem = null;
if (keyindexdic[tablename].TryGetValue(key, out arr))
{
//先找到offset
using (ObjTextReader otw = ObjTextReader.CreateReader(tablefile))
{
foreach (var o in arr)
{
indexitem = (EntityTableIndexItem)o.Value;
if (!indexitem.Del)
{
otw.SetPostion(indexitem.Offset);
var readobj = otw.ReadObject <EntityTableItem <T> >();
if (readobj == null)
{
yield return(default(T));
}
else
{
yield return(readobj.Data);
}
}
}
}
}
}
private void ProcessBadQueue(T last)
{
if (_queueReader == null)
{
return;
}
var oldpostion = _queueReader.ReadedPostion();
while (true)
{
if (_queueReader.PostionNextSplitChar())
{
var newpostion = _queueReader.ReadedPostion();
if (_queueReader.ReadObject <T>() != default(T))
{
_queueReader.SetPostion(newpostion);
OnProcessError(last, new Exception(string.Format("队列损环，将尝试读取下一个队列。损坏位置{0}，恢复位置{1}，损坏长度：{2}kb。", oldpostion, newpostion, (newpostion - oldpostion) / 1000)));
break;
}
}
else
{
throw new Exception("队列已损坏，无法恢复。");
}
}
}