public void NewId()
{
var f = new FlowId();
var id = f.NewId();
var time = id >> 22;
var tt = f.StartTimestamp.AddMilliseconds(time);
Assert.True(tt <= DateTime.Now);
var wid = (id >> 12) & 0x3FF;
Assert.Equal(f.WorkerId, wid);
var seq = id & 0x0FFF;
Assert.Equal(f.Sequence, seq);
// 时间转编号
var id2 = f.GetId(tt);
Assert.Equal(id >> 22, id2 >> 22);
// 分析
var rs = f.TryParse(id, out var t, out var w, out var s);
Assert.True(rs);
Assert.Equal(tt, t);
Assert.Equal(wid, w);
Assert.Equal(seq, s);
}
/// <summary>时间专用区间函数</summary>
/// <param name="fi"></param>
/// <param name="start">起始时间，大于等于</param>
/// <param name="end">结束时间，小于。如果是日期，则加一天</param>
/// <param name="flow"></param>
/// <returns></returns>
public static Expression Between(this FieldItem fi, DateTime start, DateTime end, FlowId flow)
{
if (fi.Type != typeof(Int64))
{
throw new NotSupportedException($"[{nameof(Between)}]函数仅支持Int64字段！");
}
var exp = new WhereExpression();
if (fi == null)
{
return(exp);
}
if (start <= DateTime.MinValue || start >= DateTime.MaxValue)
{
if (end <= DateTime.MinValue || end >= DateTime.MaxValue)
{
return(exp);
}
// 如果只有日期，则加一天，表示包含这一天
if (end == end.Date)
{
end = end.AddDays(1);
}
return(fi < flow.GetId(end));
}
else
{
exp &= fi >= flow.GetId(start);
if (end <= DateTime.MinValue || end >= DateTime.MaxValue)
{
return(exp);
}
// 如果只有日期，则加一天，表示包含这一天
if (start == start.Date && end == end.Date)
{
end = end.AddDays(1);
}
return(exp & fi < flow.GetId(end));
}
}
