/// <summary>
/// 获取当前节点的下一个节点信息
/// </summary>
/// <param name="currentActivitystring"></param>
/// <returns></returns>
internal ActivityEntity GetNextActivity(Guid activityGUID)
{
TransitionManager tm = new TransitionManager(this.ProcessEntity);
XmlNode transitionNode = tm.GetForwardXmlTransitionNode(activityGUID);
return(GetActivityFromTransitionTo(transitionNode));
}
/// <summary>
/// 获取下一步节点列表，伴随条件信息
/// </summary>
/// <param name="currentActivity"></param>
/// <param name="conditionKeyValuePair"></param>
/// <returns></returns>
internal NextActivityMatchedResult GetNextActivityList(Guid ProcessInstanceGUID,
ActivityEntity currentActivity,
ConditionKeyValuePair conditionKeyValuePair)
{
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;
TransitionManager tm = new TransitionManager(this.ProcessEntity);
List <TransitionEntity> transitionList = tm.GetForwardTransitionList(currentActivity.ActivityGUID,
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.NodeType == NodeTypeEnum.EndNode ||
transition.ToActivity.NodeType == NodeTypeEnum.TaskNode)
{
child = NextActivityComponentFactory.CreateNextActivityComponent(transition, transition.ToActivity);
}
else if (transition.ToActivity.NodeType == NodeTypeEnum.GatewayNode)
{
NextActivityScheduleBase activitySchedule = NextActivityScheduleFactory.CreateActivitySchedule(this.ProcessEntity,
transition.ToActivity.GatewaySplitJoinType);
child = activitySchedule.GetNextActivityListFromGateway(ProcessInstanceGUID,
transition,
transition.ToActivity,
conditionKeyValuePair,
out resultType);
}
else
{
throw new XmlDefinitionException(string.Format("未知的节点类型：{0}", transition.ToActivity.NodeType.ToString()));
}
if (child != null)
{
root.Add(child);
resultType = NextActivityMatchedType.Successed;
}
}
}
else
{
resultType = NextActivityMatchedType.NoneTransitionFilteredByCondition;
}
result = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(resultType, root);
return(result);
}