private static void CreateService()
{
Variable<Expense> expense = new Variable<Expense> { Name = "expense" };
Variable<VendorRequest> vendor = new Variable<VendorRequest> { Name = "vendor" };
Variable<PurchaseOrder> po = new Variable<PurchaseOrder> { Name = "po" };
Variable<bool> reply = new Variable<bool> { Name = "reply" };
Variable<bool> replyPO = new Variable<bool> { Name = "reply" };
Variable<VendorResponse> replyVendor = new Variable<VendorResponse> { Name = "reply" };
Parallel workflow = new Parallel
{
Branches =
{
GetApproveExpense(expense, reply),
GetApprovePO(po, replyPO),
GetApprovedVendor(vendor, replyVendor),
}
};
service = new WorkflowService
{
Name = "FinanceService",
Body = workflow,
Endpoints =
{
new Endpoint
{
ServiceContractName="FinanceService",
AddressUri = new Uri(Constants.EchoServiceAddress),
Binding = new BasicHttpBinding(),
}
}
};
}
private static Activity OutputToConsoleParallel(string v1, string v2)
{
Console.ForegroundColor = ConsoleColor.Green;
var p = new System.Activities.Statements.Parallel
{
Branches =
{
new WriteLine {
Text = v1
},
new WriteLine {
Text = v2
}
}
};
return(p);
}
/// <summary>
/// 获取并发状态
/// </summary>
/// <param name="wfslElements"></param>
/// <param name="currentXmlNode"></param>
/// <param name="currentFlowNode"></param>
/// <param name="resultListNodes"></param>
/// <param name="templateId"></param>
/// <returns></returns>
public static int GetNextNodeofActivityWithParallel(IEnumerable<XElement> wfslElements, XElement currentXmlNode, FlowNode currentFlowNode, Dictionary<string, FlowNode> resultListNodes, Guid templateId)
{
try
{
var num = 0;
var para = new Parallel();
var flowNode = new FlowStep();
var endParallelNodeId = "";
var nextNodes = GetXElementAttribute(currentXmlNode, "NextNodes");
if (!string.IsNullOrEmpty(nextNodes))
{
var nextNodeIds = nextNodes.Split(',');
if (nextNodeIds.Length > 0)
{
var varable = new Variable<int>("branchesNum");
para.Variables.Add(varable);
para.CompletionCondition = new VisualBasicValue<bool>() { ExpressionText = "branchesNum=ParallelBranchesCount" };
foreach (var nextNodeId in nextNodeIds)
{
num++;
if (!resultListNodes.ContainsKey(nextNodeId)) //避免有回路，已经添加过的节点不用再添加，否则会死循环
{
var nextXmlNode = GetXmlNode(wfslElements, "UniqueID", nextNodeId);
var nextNodeType = GetXElementAttribute(nextXmlNode, "WFSLElementType");
endParallelNodeId = GetXElementAttribute(nextXmlNode, "NextNodeID");
if (nextNodeType == "WFSLActivity")
{
// var nextFlowNode = GetFlowStep(nextXmlNode);
var nextAcitivity = GetAcitivityForParallel(nextXmlNode);
var seq = new Sequence();
seq.DisplayName = "seq" + num;
seq.Activities.Add(nextAcitivity);
var assgin = new Assign();
assgin.DisplayName = "assgin" + num;
assgin.Value = new InArgument<int>() { Expression = new VisualBasicValue<int> { ExpressionText = "branchesNum+1" } };
assgin.To = new OutArgument<int>() { Expression = new VisualBasicReference<int> { ExpressionText = "branchesNum" } };
seq.Activities.Add(assgin);
para.Branches.Add(seq);
// resultListNodes.Add(GetXElementAttribute(nextXmlNode, "UniqueID"), nextFlowNode);
SaveStateInfo(nextXmlNode, templateId, false);
}
}
//else //该节点已经包含在内，只需要画上连线即可，即表明关系即可
//{
// //((FlowStep)currentFlowNode).Next = resultListNodes[nextNodeId];
//}
}
}
}
var afterParalleXmlNode = GetXmlNode(wfslElements, "UniqueID", endParallelNodeId);
var afterParalleWfNode = GetFlowStep(afterParalleXmlNode);
flowNode.Action = para;
flowNode.Next = afterParalleWfNode;
((FlowStep)currentFlowNode).Next = flowNode;
resultListNodes.Add(Guid.Empty.ToString(), flowNode);
GetNextNode(wfslElements, afterParalleXmlNode, afterParalleWfNode, ref resultListNodes, templateId);
return num;
}
catch (Exception ex)
{
LogWritter.WriteSystemExceptionLog(ex);
throw ex;
}
}
public Activity Create(DependencyObject target)
{
var parallel = new Parallel();
parallel.DisplayName = "";
return parallel;
}
public MyParallelStep(XElement e)
{
_elem = e;
_activity = new Parallel();
_activity.DisplayName = _elem.Attribute("name").Value;
}
