public WebData GetData(string taskID)
{
WebDataWrapper wrapper = GetWrapper(taskID);
if (wrapper == null)
{
return(null);
}
// 将缓冲的数据兑现到 WebData 中
wrapper.Flush();
return(wrapper.WebData);
}
// 追加数据
WebDataWrapper AddWrapper(string taskID, WebData data)
{
lock (_syncRoot)
{
WebDataWrapper wrapper = null;
if (_webData_table.ContainsKey(taskID) == false)
{
wrapper = new WebDataWrapper();
_webData_table[taskID] = wrapper;
}
else
{
wrapper = (WebDataWrapper)_webData_table[taskID];
}
wrapper.Append(data);
return(wrapper);
}
}
// 将距离当前时间 delta 以上的对象清除
public void Clean(TimeSpan delta)
{
lock (_syncRoot)
{
DateTime now = DateTime.Now;
List <string> delete_keys = new List <string>();
foreach (string key in _webData_table.Keys)
{
WebDataWrapper wrapper = (WebDataWrapper)_webData_table[key];
if (now - wrapper.LastTime > delta)
{
delete_keys.Add(key);
}
}
foreach (string key in delete_keys)
{
_webData_table.Remove(key);
}
}
}
// 追加数据
public WebData AddData(string taskID, WebData data)
{
WebDataWrapper wrapper = AddWrapper(taskID, data);
return(wrapper.WebData);
}
