public async Task <bool> Start(string DefinitionID, Dictionary <string, object> InputData = null)
{
var token = new TaskToken();
var pi = _ProcessInstances[DefinitionID];
pi.StartTask.Token = token;
pi.Tokens.Add(token);
pi.Status = ProcessStatus.Running;
if (InputData != null)
{
pi.InputData = InputData;
}
if (pi.InputData == null)
{
pi.InputData = new Dictionary <string, object>();
}
while (pi.Status == ProcessStatus.Running)
{
foreach (var t in pi.Tokens)
{
if (await t.Excute(pi))
{
// 令牌数量发生变化，集合更改，重新循环
break;
}
}
}
if (pi.Status == ProcessStatus.Finish)
{
// 异步更新状态
BPMDBService.ProcessDone(pi.ID);
// 从缓存中移除已完成的流程实例
_ProcessInstances.Remove(pi.ID);
// 通知业务系统流程完成
pi.OB.ProcessFinish(pi);
}
return(true);
}
public async Task Continu(string TaskID, int User, Dictionary <string, object> InputData = null)
{
TaskID = TaskID.ToUpper();
var pid = getProcessInstance(TaskID);
ProcessInstance pi = null;
if (string.IsNullOrEmpty(pid))
{
// back from db
pi = BPMDBService.BackUpInstance(TaskID);
// 缓存流程实例
if (!_ProcessInstances.ContainsKey(pi.ID))
{
_ProcessInstances.Add(pi.ID, pi);
}
}
else
{
pi = _ProcessInstances[pid];
}
pi.Status = ProcessStatus.Running;
pi.InputData = InputData;
// 这里不自动跳过此任务，由任务自己来执行下一步（因为会签的话需要所有的会签任务完成才执行下一步）
//var token = pi.Tasks[TaskID].Token;
//token.CurrentTask = null;
//token.CurrentGateway = null;
//var to = pi.Sequences[pi.Tasks[TaskID].To].To;
//if (pi.Tasks.ContainsKey(to))
//{
// pi.Tasks[to].Token = token;
//}
//else if (pi.Gateways.ContainsKey(to))
//{
// pi.Gateways[to].Token = token;
//}
pi.Tasks[TaskID].IsDone = true;
while (pi.Status == ProcessStatus.Running)
{
foreach (var t in pi.Tokens)
{
if (await t.Excute(pi))
{
// 令牌数量发生变化，集合更改，重新循环
break;
}
}
}
if (pi.Status == ProcessStatus.Finish)
{
// 更新状态
BPMDBService.ProcessDone(pi.ID);
// 从缓存中移除已完成的流程实例
_ProcessInstances.Remove(pi.ID);
// 通知业务系统流程完成
pi.OB.ProcessFinish(pi);
}
}