/// <summary>
/// 获取下一步节点列表
/// </summary>
/// <param name="fromTransition">起始转移</param>
/// <param name="currentGatewayActivity">当前节点</param>
/// <param name="conditionKeyValuePair">条件</param>
/// <param name="session">会话</param>
/// <param name="resultType">结果类型</param>
/// <returns>返回节点</returns>
internal override NextActivityComponent GetNextActivityListFromGateway(TransitionEntity fromTransition,
ActivityEntity currentGatewayActivity,
IDictionary <string, string> conditionKeyValuePair,
IDbSession session,
out NextActivityMatchedType resultType)
{
NextActivityComponent child = null;
NextActivityComponent gatewayComponent = null;
resultType = NextActivityMatchedType.Unknown;
var transitionList = this.ProcessModel.GetForwardTransitionList(currentGatewayActivity.ActivityGUID).ToList();
if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.AndSplit ||
currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.AndSplitMI)
{
//获取AndSplit的每一条后续连线上的To节点
foreach (TransitionEntity transition in transitionList)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
session,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
}
if (gatewayComponent == null)
{
resultType = NextActivityMatchedType.WaitingForOtherSplitting;
}
}
else if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.OrSplit)
{
//获取OrSplit的，满足条件的后续连线上的To节点
foreach (TransitionEntity transition in transitionList)
{
bool isValidTransition = base.ProcessModel.IsValidTransition(transition, conditionKeyValuePair);
if (isValidTransition)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
session,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
}
}
if (gatewayComponent == null)
{
//没有分支满足，则选择默认分支流转
var defaultTransition = transitionList.Find(t => t.GroupBehaviours != null && t.GroupBehaviours.DefaultBranch == true);
if (defaultTransition != null)
{
child = GetNextActivityListFromGatewayCore(defaultTransition,
conditionKeyValuePair,
session,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
}
else
{
resultType = NextActivityMatchedType.NoneTransitionMatchedToSplit;
}
}
}
else if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.XOrSplit)
{
//按连线定义的优先级排序
transitionList.Sort(new TransitionPriorityCompare());
//获取XOrSplit的，第一条满足条件的后续连线上的To节点
foreach (TransitionEntity transition in transitionList)
{
bool isValidTransitionXOr = base.ProcessModel.IsValidTransition(transition, conditionKeyValuePair);
if (isValidTransitionXOr)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
session,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
//退出循环
break;
}
}
if (gatewayComponent == null)
{
resultType = NextActivityMatchedType.NoneTransitionMatchedToSplit;
}
}
else if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.ApprovalOrSplit)
{
var fromActivity = fromTransition.FromActivity;
var aim = new ActivityInstanceManager();
var nodePassedResult = aim.CheckActivityInstancePassedResult(this.TaskID, session);
//根据节点通过类型连线类型
if (nodePassedResult.NodePassedType == NodePassedTypeEnum.Passed)
{
transitionList = transitionList.Where <TransitionEntity>(t => t.GroupBehaviours.Approval == (short)ApprovalStatusEnum.Agreed).ToList();
}
else if (nodePassedResult.NodePassedType == NodePassedTypeEnum.NotPassed)
{
transitionList = transitionList.Where <TransitionEntity>(t => t.GroupBehaviours.Approval == (short)ApprovalStatusEnum.Refused).ToList();
}
else if (nodePassedResult.NodePassedType == NodePassedTypeEnum.NeedToBeMoreApproved)
{
transitionList = transitionList.Where <TransitionEntity>(t => t.GroupBehaviours.Approval == (short)ApprovalStatusEnum.Agreed).ToList();
}
else
{
transitionList = null;
resultType = NextActivityMatchedType.WaitingForAgreedOrRefused;
}
//获取有效的下一步节点
if (transitionList != null)
{
foreach (TransitionEntity transition in transitionList)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
session,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
if (gatewayComponent == null)
{
resultType = NextActivityMatchedType.NoneTransitionMatchedToSplit;
}
}
}
}
else
{
resultType = NextActivityMatchedType.Failed;
throw new WfXpdlException(LocalizeHelper.GetEngineMessage("nextactivityschedulesplit.error",
currentGatewayActivity.GatewayDirectionType.ToString()));
}
return(gatewayComponent);
}