/// <summary>
/// 设置数据,保留2分钟内数据或50条记录,2分钟内有多余50条记录则保留最近100条记录
/// </summary>
/// <param name="tag"></param>
public void AddRecord(string tag)
{
if (string.IsNullOrEmpty(tag))
{
return;
}
int min = 5, max = 20;
TimeSpan ts = new TimeSpan(0, 2, 0);
int count = this.rows.Count;
if (count < min)
{
RecordDev rdnew = new RecordDev();
rdnew.tag = tag;
this.rows.Add(rdnew);
return;
}
if (count > max)
{
this.rows.RemoveRange(0, count - max);
count = this.rows.Count;
}
DateTime dtmi = DateTime.Now.AddMinutes(-2);
int index = 0;
for (int i = 0; i < count; i++)
{
if (this.rows[i].dtReceive > dtmi)
{
break;
}
index++;
}
if (index > 0)
{
this.rows.RemoveRange(0, index);
}
RecordDev rd = null;
if (max == this.rows.Count)
{
rd = this.rows[0];
this.rows.RemoveAt(0);
rd.dtReceive = DateTime.Now;
}
else
{
rd = new RecordDev();
}
rd.tag = tag;
this.rows.Add(rd);
}
/// <summary>
/// ��������,����2���������ݻ�50����¼,2�������ж���50����¼�������100����¼
/// </summary>
/// <param name="tag"></param>
public void AddRecord(string tag)
{
int min = 50, max = 100;
TimeSpan ts = new TimeSpan(0, 2, 0);
int count = this.rows.Count;
if (count < min)
{
RecordDev rdnew = new RecordDev();
rdnew.tag = tag;
this.rows.Add(rdnew);
return;
}
if (count > max)
{
this.rows.RemoveRange(0, count - max);
count = this.rows.Count;
}
DateTime dtmi = DateTime.Now.AddMinutes(-2);
int index = 0;
for (int i = 0; i < count; i++)
{
if (this.rows[i].dtReceive > dtmi)
break;
index++;
}
if (index > 0)
this.rows.RemoveRange(0, index);
RecordDev rd = null;
if (max == this.rows.Count)
{
rd = this.rows[0];
this.rows.RemoveAt(0);
rd.dtReceive = DateTime.Now;
}
else
rd = new RecordDev();
rd.tag = tag;
this.rows.Add(rd);
}
