/// <summary>
/// 构建索引
/// </summary>
public void Build()
{
TableIndexProcessor processor = new TableIndexProcessor();
var taskDataList = processor.GetEachThreadTask(40);
TaskFactory taskFactory = new TaskFactory();
taskFactory.StartNew(() =>
{
List <Task> taskList = new List <Task>();
var threadNums = Enumerable.Range(1, StaticConst.CategorySheetCount).ToList();
Random random = new Random();
int index = 0, alltaskCount = taskDataList.Count;
foreach (var taskData in taskDataList)
{
index++;
var threadCode = CommodityDAL.GetTName(random.Next(1, threadNums.Count));
Task task = taskFactory.StartNew(() =>
{
try
{
LuceneBulid luceneBuild = new LuceneBulid();
if (!PathSuffixList.Any(u => u == threadCode))
{
PathSuffixList.Add(threadCode);
}
luceneBuild.BuildIndex(taskData, threadCode, true);
}
catch (Exception ex)
{
Console.WriteLine($"BuildIndexError\t{ex.Message}");
StringValueEventArgs e = new StringValueEventArgs()
{
Value = ex.Message
};
OnTaskError(e);//每完成一个任务触发事件
CTS.Cancel();
}
}, CTS.Token).ContinueWith(t =>
{
ValueEventArgs e = new ValueEventArgs()
{
Value = (int)(index * 1.0 / alltaskCount) * 100
};
OnValueChanged(e);//每完成一个任务触发事件
});
taskList.Add(task);
if (taskList.Count > 20)
{
taskList = taskList.Where(t => !t.IsCompleted && !t.IsCanceled && !t.IsFaulted).ToList();
Task.WaitAny(taskList.ToArray());
}
}
taskList.Add(taskFactory.ContinueWhenAll(taskList.ToArray(), MergeAllLuceneIndex));
});
}
private void MergeAllLuceneIndex(Task[] obj)
{
try
{
ILuceneBulid builder = new LuceneBulid();
builder.MergeAllLuceneIndex(PathSuffixList.ToArray());
OnTaskComplate(new EventArgs());//任务完成触发事件
}
catch (Exception ex)
{
StringValueEventArgs e = new StringValueEventArgs()
{
Value = ex.Message
};
OnTaskError(e);//每完成一个任务触发事件
Console.WriteLine($"MergeAllLuceneIndex\t{ex.Message}{ex}");
}
}
protected void OnTaskError(StringValueEventArgs e)
{
TaskError?.Invoke(this, e);
}