private static Activity GetApprovePO(Variable<PurchaseOrder> po, Variable<bool> replyPO)
{
Receive approvePO = new Receive
{
OperationName = "ApprovePurchaseOrder",
CanCreateInstance = true,
ServiceContractName = "FinanceService",
SerializerOption = SerializerOption.XmlSerializer,
Content = ReceiveContent.Create(new OutArgument<PurchaseOrder>(po))
};
Activity workflow = new CorrelationScope()
{
Body = new Sequence
{
Variables = { po, replyPO },
Activities =
{
approvePO,
new WriteLine
{
Text = new InArgument<string>(env =>("Purchase order approval request received"))
},
new If
{
Condition = new InArgument<bool> (env => (po.Get(env).RequestedAmount <= 100)),
Then =
new Assign<bool>
{
Value = true,
To = new OutArgument<bool>(replyPO)
},
Else =
new Assign<bool>
{
Value = false,
To = new OutArgument<bool>(replyPO)
},
},
new If
{
Condition = new InArgument<bool> (replyPO),
Then =
new WriteLine
{
Text = new InArgument<string>("Purchase Order Approved")
},
Else =
new WriteLine
{
Text = new InArgument<string>("Purchase Order Cannot be Approved")
},
},
new SendReply
{
Request = approvePO,
Content = SendContent.Create(new InArgument<bool>(replyPO)),
},
}
}
};
return workflow;
}
private static Activity GetApprovedVendor(Variable<VendorRequest> vendor, Variable<VendorResponse> replyVendor)
{
Receive approvedVendor = new Receive
{
OperationName = "ApprovedVendor",
CanCreateInstance = true,
ServiceContractName = "FinanceService",
Content = ReceiveContent.Create(new OutArgument<VendorRequest>(vendor))
};
Activity workflow = new CorrelationScope()
{
Body = new Sequence
{
Variables = { vendor, replyVendor },
Activities =
{
approvedVendor,
new WriteLine
{
Text = new InArgument<string>(env =>("Query for approved vendor received"))
},
new If
{
Condition = new InArgument<bool> (env => ((vendor.Get(env).requestingDepartment == "Finance"))||Constants.vendors.Contains(vendor.Get(env).Name)),
Then =
new Assign<VendorResponse>
{
Value = new InArgument<VendorResponse>( (e) => new VendorResponse{isPreApproved = true} ),
To = new OutArgument<VendorResponse>(replyVendor)
},
Else =
new Assign<VendorResponse>
{
Value = new InArgument<VendorResponse>( (e) => new VendorResponse{isPreApproved = false} ),
To = new OutArgument<VendorResponse>(replyVendor)
},
},
new If
{
Condition = new InArgument<bool> (env => replyVendor.Get(env).isPreApproved),
Then =
new WriteLine
{
Text = new InArgument<string>("Vendor is pre-approved")
},
Else =
new WriteLine
{
Text = new InArgument<string>("Vendor is not pre-approved")
},
},
new SendReply
{
Request = approvedVendor,
Content = SendContent.Create(new InArgument<VendorResponse>(replyVendor)),
},
}
}
};
return workflow;
}
private static Activity GetApproveExpense(Variable<Expense> expense, Variable<bool> reply)
{
Receive approveExpense = new Receive
{
OperationName = "ApproveExpense",
CanCreateInstance = true,
ServiceContractName = "FinanceService",
SerializerOption = SerializerOption.DataContractSerializer,
Content = ReceiveContent.Create(new OutArgument<Expense>(expense))
};
approveExpense.KnownTypes.Add(typeof(Travel));
approveExpense.KnownTypes.Add(typeof(Meal));
Activity workflow = new CorrelationScope()
{
Body = new Sequence
{
Variables = { expense, reply },
Activities =
{
approveExpense,
new WriteLine
{
Text = new InArgument<string>(env =>("Expense approval request received"))
},
new If
{
Condition = new InArgument<bool> (env => (expense.Get(env).Amount <= 100)),
Then =
new Assign<bool>
{
Value = true,
To = new OutArgument<bool>(reply)
},
Else =
new Assign<bool>
{
Value = false,
To = new OutArgument<bool>(reply)
},
},
new If
{
Condition = new InArgument<bool> (reply),
Then =
new WriteLine
{
Text = new InArgument<string>("Expense Approved")
},
Else =
new WriteLine
{
Text = new InArgument<string>("Expense Cannot be Approved")
},
},
new SendReply
{
Request = approveExpense,
Content = SendContent.Create(new InArgument<bool>(reply)),
},
},
}
};
return workflow;
}