/// <summary>
/// 生成一个 X_Batch 记录，并为后期登记变化状态
/// </summary>
/// <param name="create">生成任务头</param>
/// <param name="trace">加入任务执行上下文</param>
/// <param name="transControl">是否将头创建与任务执行体做事务控制</param>
public void NewJobTrace(
Func <TB_sys_batch, bool> create,
Action <TB_sys_batch, TContext> trace, bool transControlled = false)
{
var newId = Guid.NewGuid();
var job = new TB_sys_batch()
{
Id = newId,
Completed = false,
Channel = (int)D.BatchChannel.Timer,
Priority = -1
};
// 如果无需创建，则返回
if (!create(job))
{
return;
}
if (transControlled)
{
trace(job, Context);
}
else
{
var tb = Context.GetTable <TB_sys_batch>();
tb.InsertOnSubmit(job);
Context.SubmitChanges();
trace(tb.Single(j => j.Id == newId), Context);
}
}
/// <summary>
/// 前置检查
/// </summary>
/// <param name="last"></param>
/// <param name="current"></param>
/// <returns></returns>
protected virtual bool _ShouldDo(TB_sys_batch last, Action <string> tip)
{
return(true);
}
/// <summary>
/// 执行方法入口
/// </summary>
/// <param name="handle">(上次执行，当前执行)</param>
protected virtual void _Execute(TB_sys_batch last, TB_sys_batch current, Action <string> succeeded)
{
}