private void DealServerNodeLoop(Flow flow, FlowNode targetFlowNode, MessageContainer messageContainer)
{
var nodes = new Stack<FlowNodeInstance>();
var node = DealServerNode(flow, targetFlowNode, messageContainer);
if (node == null)
{
Finished(flow);
return;
}
nodes.Push(node);
while (nodes.Any())
{
//这里循环处理，主要是为了使服务器节点无延迟的即时处理，因为服务器节点仅依赖流程变量与客户无关
//而客户节点肯定是依赖于客户的操作来处理
var tempFlowNodeInstance = nodes.Pop();
if (!tempFlowNodeInstance.BelongsFlowNode.IsServerNode)
{
DealClientNode(flow, tempFlowNodeInstance.GetNextNodeTypeWhenActioned(), messageContainer);
return;
}
var returnNodeInstanace = DealServerNode(flow, tempFlowNodeInstance.GetNextNodeTypeWhenActioned(), messageContainer);
//服务端与客户端的区别，服务端的处理完之后就已经Finished了，所以直接接着处理下一个节点，
//如果是客户端则需要生成客户端任务，服务端则继续执行服务端的处理
if (returnNodeInstanace == null)
{
Finished(flow);
return;
}
nodes.Push(returnNodeInstanace);
}
}
private FlowNodeInstance DealClientNode(Flow flow, FlowNode targetFlowNode, MessageContainer messageContainer)
{
//创建新节点实例
var newFlowInstance = new FlowNodeInstance();
newFlowInstance.BelongsFlow = flow;
newFlowInstance.BelongsFlowNode = targetFlowNode;
var newTasks = newFlowInstance.BuilderTasksAndReturnNewTasks();
_flowNodeInstanceRepository.Save(newFlowInstance);
newTasks.ToList().ForEach(task => _flowNodeInstanceTaskRepository.Save(task));
return newFlowInstance;
}
private FlowNodeInstance DealServerNode(Flow flow, FlowNode targetFlowNode, MessageContainer messageContainer)
{
if (targetFlowNode == null)
return null;
//生成服务端节点实例
var newFlowInstanceOfServer = new FlowNodeInstance();
newFlowInstanceOfServer.BelongsFlow = flow;
newFlowInstanceOfServer.BelongsFlowNode = targetFlowNode;
newFlowInstanceOfServer.TimeOfFinished = DateTime.Now;
newFlowInstanceOfServer.Execute();
newFlowInstanceOfServer.InstanceStatus = InstanceStatus.Finished;
_flowNodeInstanceRepository.Save(newFlowInstanceOfServer);
return newFlowInstanceOfServer;
}
public void TestDefineFlow()
{
var trans = TransactionManager.BeginTransaction();
var flowType = new FlowType();
flowType.Name = "ProposalFlow";
//添加流程变量声明
flowType.FlowTypeDataFields.Add(new FlowTypeDataField() { Name = "Auditor" });
FlowTypeRepository.Save(flowType);
//第一个节点
var firstNode = new FlowNode()
{
Name = "人大常委会审核",
ExecutorType = FlowValueType.ByDataField,
ExecutorValue = "NpcAuditor",
IsExecutorWithArray = true,
IsFirstNode = true,
ProcessUrl = "/Proposals/ScNpcAudit"
};
//第一个节点的Actions
firstNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "提交市政办" });
firstNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "不提交" });
//第二个节点
var secordNode = new FlowNode()
{
Name = "市政办审核",
ExecutorType = FlowValueType.ByDataField,
ExecutorValue = "GovAuditor",
IsExecutorWithArray = true,
ProcessUrl = "/Proposals/GovOfficeAudit"
};
secordNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "提交主办单位" });
secordNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "退回人大常委" });
//第三个节点
var thirdNode = new FlowNode()
{
Name = "主办单位处理",
ExecutorType = FlowValueType.ByDataField,
ExecutorValue = "Sponsor",
IsExecutorWithArray = true,
ProcessUrl = "/Proposals/SponsorAudit"
};
thirdNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "办结" });
thirdNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "退回市政办" });
//第四个节点
var fourthNode = new FlowNode()
{
Name = "代表满意度回馈",
ExecutorType = FlowValueType.ByDataField,
ExecutorValue = "Originator",
IsExecutorWithArray = true,
ProcessUrl = "/Proposals/NpcAssessment"
};
fourthNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "不满意" });
fourthNode.FlowNodeActions.Add(new FlowNodeAction() { Name = "满意" });
//添加流程分支
firstNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "提交", Name = "提交", ContactTo = secordNode });
firstNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "不提交", Name = "不提交", ContactTo = null });
secordNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "提交主办单位", Name = "提交主办单位", ContactTo = thirdNode });
secordNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "退回人大常委", Name = "退回人大常委", ContactTo = firstNode });
thirdNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "办结", Name = "办结", ContactTo = fourthNode });
thirdNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "退回市政办", Name = "退回市政办", ContactTo = secordNode });
fourthNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "不满意", Name = "不满意", ContactTo = thirdNode });
fourthNode.FlowNodeLines.Add(new FlowNodeLine() { RuleCode = "满意", Name = "满意", ContactTo = null });
flowType.FlowNodes.Add(firstNode);
flowType.FlowNodes.Add(secordNode);
flowType.FlowNodes.Add(thirdNode);
flowType.FlowNodes.Add(fourthNode);
FlowTypeRepository.Save(flowType);
trans.Commit();
}