public static IEnumerable <T> BatchDo <T>(this IEnumerable <T> documents,
Func <List <T>, object> initFunc, Action <List <T>, object> batchFunc, Action endFunc = null, int batchMount = 100)
{
var i = 0;
var initMount = batchMount / 2;
if (initMount <= 0)
{
initMount = 1;
}
bool isInit = false;
var list = new List <T>();
object result = null;
foreach (var document in documents)
{
if (document == null)
{
continue;
}
// list.Add(document.Clone());
list.Add(document);
if (!isInit)
{
if (list.Count == initMount)
{
try
{
result = initFunc(list);
}
catch (Exception ex)
{
XLogSys.Print.Error("batch execute failed " + ex.Message);
yield break;
}
isInit = true;
}
else
{
yield return(document);
continue;
}
}
if (list.Count == batchMount)
{
try
{
batchFunc(list, result);
}
catch (Exception ex)
{
XLogSys.Print.Warn(GlobalHelper.Get("key_111") + ex.Message);
}
list = new List <T>();
}
yield return(document);
i++;
}
if (isInit == false)
{
try
{
result = initFunc(list);
}
catch (Exception ex)
{
XLogSys.Print.Error("batch execute failed " + ex.Message);
yield break;
}
}
if (list.Count != 0)
{
batchFunc(list, result);
}
endFunc?.Invoke();
}
public static object Set(this IDictionary <string, object> dict, string key, object oldValue, Type type = null)
{
object value;
object data = null;
if (dict == null)
{
return(oldValue);
}
if (type == null)
{
if (oldValue != null)
{
type = oldValue.GetType();
}
}
if (type == null)
{
return(null);
}
if (dict.TryGetValue(key, out data))
{
if (type.IsEnum)
{
if (data is int)
{
var index = Convert.ChangeType(data, typeof(int));
return(index);
}
else
{
var item = data.ToString();
var index = Enum.Parse(type, item);
return(index);
}
}
if (type == typeof(XFrmWorkAttribute))
{
var item = (string)data;
var newone = PluginProvider.GetPlugin(item);
return(newone);
}
if (data == null)
{
return(oldValue);
}
try
{
value = Convert.ChangeType(data, type);
}
catch (Exception ex)
{
XLogSys.Print.Error(GlobalHelper.Get("key_112") + ex);
return(null);
}
return(value);
}
return(oldValue);
}
