/// <summary>
/// 获取下一步节点列表，伴随运行时条件信息
/// </summary>
/// <param name="currentActivity"></param>
/// <param name="conditionKeyValuePair"></param>
/// <returns></returns>
internal NextActivityMatchedResult GetNextActivityList(string currentActivityGUID,
IDictionary <string, string> conditionKeyValuePair = null)
{
try
{
NextActivityMatchedResult result = null;
NextActivityMatchedType resultType = NextActivityMatchedType.Unknown;
//创建“下一步节点”的根节点
NextActivityComponent root = NextActivityComponentFactory.CreateNextActivityComponent();
NextActivityComponent child = null;
List <TransitionEntity> transitionList = GetForwardTransitionList(currentActivityGUID,
conditionKeyValuePair).ToList();
if (transitionList.Count > 0)
{
//遍历连线，获取下一步节点的列表
foreach (TransitionEntity transition in transitionList)
{
if (transition.ToActivity.ActivityType == ActivityTypeEnum.EndNode ||
transition.ToActivity.ActivityType == ActivityTypeEnum.TaskNode ||
transition.ToActivity.ActivityType == ActivityTypeEnum.SubProcessNode)
{
child = NextActivityComponentFactory.CreateNextActivityComponent(transition, transition.ToActivity);
}
else if (transition.ToActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
NextActivityScheduleBase activitySchedule = NextActivityScheduleFactory.CreateActivitySchedule(this,
transition.ToActivity.GatewaySplitJoinType);
child = activitySchedule.GetNextActivityListFromGateway(transition,
transition.ToActivity,
conditionKeyValuePair,
out resultType);
}
else
{
throw new XmlDefinitionException(string.Format("未知的节点类型：{0}", transition.ToActivity.ActivityType.ToString()));
}
if (child != null)
{
root.Add(child);
resultType = NextActivityMatchedType.Successed;
}
}
}
else
{
resultType = NextActivityMatchedType.NoneTransitionFilteredByCondition;
}
result = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(resultType, root);
return(result);
}
catch (System.Exception e)
{
throw new WfXpdlException(string.Format("解析流程定义文件发生异常，异常描述：{0}", e.Message), e);
}
}
/// <summary>
/// 创建ActivitySchedule
/// </summary>
/// <param name="splitJoinType"></param>
/// <returns></returns>
internal static NextActivityScheduleBase CreateActivitySchedule(ProcessModel processModel,
GatewaySplitJoinTypeEnum splitJoinType)
{
NextActivityScheduleBase activitySchedule = null;
if (splitJoinType == GatewaySplitJoinTypeEnum.Split)
{
activitySchedule = new NextActivityScheduleSplit(processModel);
}
else if (splitJoinType == GatewaySplitJoinTypeEnum.Join)
{
activitySchedule = new NextActivityScheduleJoin(processModel);
}
else
{
throw new Exception("未知的splitJoinType!");
}
return(activitySchedule);
}
