/// <summary>
/// 将步骤分段
/// </summary>
void StepToSegment()
{
while (stepLst.Count > 0)
{
// 查找一个输入数为0的步骤,作为线段的开头
var startStep = stepLst.Find(step => (int)step["IN_NUM_NOW"] == 0);
// 创建一个线段
StepSegment segment = new StepSegment(this);
AddStepToSegment(startStep, segment);
while (!segment.IsEnd)
{
// 因为segment未结尾,所以有且只有一个relation
var relation = relationLst.Find(rel => Equals(rel["FRONT_STEP_ID"], segment.LastStepId));
// 下一步骤
var nextStep = stepLst.Find(step => Equals(step["ID"], relation["AFTER_STEP_ID"]));
// 存在下一步骤，且下一步骤输入数为1
if (nextStep != null && (int)nextStep["IN_NUM"] == 1)
{
AddStepToSegment(nextStep, segment);
relationLst.Remove(relation);
}
else
{
break;
}
}
segmentList.Add(segment);
}
}
/// <summary>
/// 按顺序执行步骤
/// </summary>
public bool Execute()
{
object lastOutput = null;
try
{
CreateLog();
foreach (StepSegment segment in segmentList)
{
var inputDict = new Dictionary <string, object>();
// 查找所有输入
var frontRelations = relationLst.Where(rel => Equals(rel["AFTER_STEP_ID"], segment.FirstStepId));
foreach (var relation in frontRelations)
{
StepSegment frontSegment = segmentList.Find(seg => Equals(relation["FRONT_STEP_ID"], seg.LastStepId));
string inputName = relation["INPUT_NAME"].ToString();
inputDict.Add(inputName, frontSegment.Output);
}
segment.Input = inputDict;
segment.Execute();
lastOutput = segment.Output;
}
FinishLog(1, "成功");
return(true);
}
catch (Exception ex) {
Console.WriteLine(ex);
FinishLog(-1, ex.Message);
return(false);
}
}
/// <summary>
/// 将线段分级
/// </summary>
void ClassifySegment(StepSegment segment)
{
// 查找所有前置线段
var frontSegments = relationLst.Where(rel => Equals(rel["AFTER_STEP_ID"], segment.FirstStepId))
.Select(rel => segmentList.Find(seg => Equals(rel["FRONT_STEP_ID"], seg.LastStepId)));
foreach (var frontSegment in frontSegments)
{
// 评级以【与初始评级之差的绝对值】大的为准
if (frontSegment.Level == int.MinValue || Math.Abs(segment.Level - 1) > Math.Abs(frontSegment.Level - StepSegment.InitLevel))
{
frontSegment.Level = segment.Level - 1;
ClassifySegment(frontSegment);
}
}
// 查找所有后置线段
var afterSegments = relationLst.Where(rel => Equals(rel["FRONT_STEP_ID"], segment.LastStepId))
.Select(rel => segmentList.Find(seg => Equals(rel["AFTER_STEP_ID"], seg.FirstStepId)));
foreach (var afterSegment in afterSegments)
{
// 评级以【与初始评级之差的绝对值】大的为准
if (afterSegment.Level == int.MinValue || Math.Abs(segment.Level + 1) > Math.Abs(afterSegment.Level - StepSegment.InitLevel))
{
afterSegment.Level = segment.Level + 1;
ClassifySegment(afterSegment);
}
}
}
/// <summary>
/// 将步骤添加到线段中，并更新下一步骤的输入数
/// </summary>
/// <param name="moveStep">要添加的步骤</param>
/// <param name="segment"></param>
void AddStepToSegment(Dictionary <string, object> moveStep, StepSegment segment)
{
// 查找关联
var relations = relationLst.Where(rel => Equals(rel["FRONT_STEP_ID"], moveStep["ID"]));
// 查找下一步骤，并将输入数减一
foreach (var relation in relations)
{
var nextStep = stepLst.Find(step => Equals(step["ID"], relation["AFTER_STEP_ID"])); // 下一步骤
nextStep["IN_NUM_NOW"] = (int)nextStep["IN_NUM_NOW"] - 1;
}
// 移动步骤
segment.Add(moveStep);
stepLst.Remove(moveStep);
}