static UpdateCommandsCached()
{
for (int i = 0; i < 1024; i++)
{
IDParamereNames[i] = $"@Id_{i}";
RandomParamereNames[i] = $"@Random_{i}";
mCacheTable[i] = new System.Collections.Concurrent.ConcurrentStack <DbCommand>();
}
}
/// <summary>
/// 並列数え上げ
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source"></param>
/// <param name="func"></param>
/// <param name="readRange">それぞれが一度に読み込む量</param>
/// <param name="ThreadNum">スレッド数</param>
/// <param name="progressAction">進行状況</param>
/// <returns></returns>
public static Dictionary <T, int> ParalellCount <T>(this IEnumerable <T> source, Func <T, IEnumerable <T> > func, int readRange, int ThreadNum, Action <int> progressAction)
{
System.Collections.Concurrent.ConcurrentStack <T> stack = new System.Collections.Concurrent.ConcurrentStack <T>(source);
int count = 0;
int all = stack.Count;
List <System.Threading.Tasks.Task <Dictionary <T, int> > > tasks = new List <System.Threading.Tasks.Task <Dictionary <T, int> > >();
for (int i = 0; i < ThreadNum; i++)
{
var task = System.Threading.Tasks.Task.Factory.StartNew <Dictionary <T, int> >((n) =>
{
T[] range = new T[readRange];
Dictionary <T, int> cDic = new Dictionary <T, int>();
while (true)
{
int c = stack.TryPopRange(range);
if (c == 0)
{
break;
}
foreach (var item in range.Where(m => m != null))
{
foreach (var item2 in func(item))
{
cDic.AddCount(item2);
}
}
if (progressAction != null)
{
var c1 = System.Threading.Interlocked.Add(ref count, c);
progressAction((c1 * 100 / all).MaxMin(100, 0));
}
}
return(cDic);
}, System.Threading.Tasks.TaskCreationOptions.LongRunning);
if (task != null)
{
tasks.Add(task);
}
}
System.Threading.Tasks.Task.WaitAll(tasks.ToArray());
return(tasks.Select(n => n.Result).Marge());
}