public static void Main()
{
FlowSteps steps = new FlowSteps();
FlowManager flow = new FlowManager(steps.getFirstStep());
while (flow.NextAction != null)
{
flow.Continue();
}
/* Expected output:
* Step1
* Step2
* Step3
*/
}
public static void Main()
{
FlowSteps steps = new FlowSteps();
Dictionary <string, object> init_data = new Dictionary <string, object>(3);
init_data.Add("repeat", 3);
FlowManager flow = new FlowManager(steps.getFirstStep(), init_data);
while (flow.NextAction != null)
{
flow.Continue();
}
/* Expected output:
* Step1
* Step2_0
* Step2_1
* Step2_2
* Step3
*/
}
/// <summary>
/// 获取 可退回的步骤
/// </summary>
/// <param name="TaskId">流程任务Id</param>
/// <param name="FlowId">流程Id</param>
/// <returns>步骤<StepId,StepName>的键值对数据集</returns>
public Dictionary <int, string> GetBackSteps(Guid TaskId, Guid FlowId)
{
Dictionary <int, string> steps = new Dictionary <int, string>();
//当前任务
var task = FlowTasks.Where(c => c.Id == TaskId).Select(m => new { m.StepId, m.PrevId }).SingleOrDefault();
//当前步骤
var step = FlowSteps.Where(c => c.FlowDesignId == FlowId && c.StepId == task.StepId).Select(m => new { m.StepType, m.BackType, m.SpecifiedBackStep }).FirstOrDefault();
if (step.StepType != 0)
{
switch (step.BackType)
{
//退回到上一步
case 1:
var prevTask = FlowTasks.Where(c => c.Id == task.PrevId).Select(m => new { m.StepId, m.StepName }).SingleOrDefault();
steps.Add(prevTask.StepId, prevTask.StepName);
break;
//退回到第一步
case 2:
var fisrtStep = FlowSteps.Where(c => c.StepType == 0 && c.FlowDesignId == FlowId).Select(m => new { m.StepId, m.StepName }).SingleOrDefault();
steps.Add(fisrtStep.StepId, fisrtStep.StepName);
break;
//退回到指定步
case 3:
if (!string.IsNullOrEmpty(step.SpecifiedBackStep))
{
var singStep = FlowSteps.Where(c => c.FlowDesignId == FlowId && c.StepName == step.SpecifiedBackStep).Select(m => new { m.StepId, m.StepName }).SingleOrDefault();
steps.Add(singStep.StepId, singStep.StepName);
}
break;
default:
break;
}
}
return(steps);
}
