static Activity CreateWorkflow()
{
Variable<string> x = new Variable<string>() { Name = "x" };
Variable<string> y = new Variable<string>() { Name = "y" };
Variable<string> z = new Variable<string>() { Name = "z" };
// Create a workflow with three bookmarks: x, y, z. After all three bookmarks
// are resumed (in any order), the concatenation of the values provided
// when the bookmarks were resumed is written to output.
return new Sequence
{
Variables = { x, y, z },
Activities =
{
new System.Activities.Statements.Parallel
{
Branches =
{
new Read<string>() { BookmarkName = "x", Result = x },
new Read<string>() { BookmarkName = "y", Result = y },
new Read<string>() { BookmarkName = "z", Result = z }
}
},
new WriteLine
{
Text = new InArgument<string>((ctx) => "x+y+z=" + x.Get(ctx) + y.Get(ctx) + z.Get(ctx))
}
}
};
}
public Send()
{
Func<Activity> func = null;
this.isOneWay = true;
this.TokenImpersonationLevel = System.Security.Principal.TokenImpersonationLevel.Identification;
if (func == null)
{
func = delegate {
if (this.internalSend == null)
{
return null;
}
if (this.requestFormatter == null)
{
return this.internalSend;
}
Variable<Message> variable = new Variable<Message> {
Name = "RequestMessage"
};
this.requestFormatter.Message = new OutArgument<Message>(variable);
this.requestFormatter.Send = this;
this.internalSend.Message = new InArgument<Message>(variable);
return new NoPersistScope { Body = new Sequence { Variables = { variable }, Activities = { this.requestFormatter, this.internalSend } } };
};
}
base.Implementation = func;
}
// Builds a sequence of two CompensableActivites where the first is explicitly compensated
static Activity CompensateACompensableActivity()
{
Variable<CompensationToken> token = new Variable<CompensationToken>();
return new Sequence
{
Variables = { token },
Activities =
{
new WriteLine { Text = "Start of workflow" },
new CompensableActivity()
{
Body = new WriteLine() { Text = "CompensableActivity1: Body" },
CompensationHandler = new WriteLine() { Text = "CompensableActivity1: Compensation Handler" },
ConfirmationHandler = new WriteLine() { Text = "CompensableActivity1: Confirmation Handler" },
Result = token,
},
new CompensableActivity()
{
Body = new WriteLine() { Text = "CompensableActivity2: Body" },
CompensationHandler = new WriteLine() { Text = "CompensableActivity2: Compensation Handler" },
ConfirmationHandler = new WriteLine() { Text = "CompensableActivity2: Confirmation Handler" },
},
new Compensate()
{
Target = token,
},
new WriteLine { Text = "End of workflow" }
}
};
}
public MySequence()
: base()
{
this.children = new Collection<Activity>();
this.variables = new Collection<Variable>();
this.currentIndex = new Variable<int>();
}
private static Activity CreateRulesInterop()
{
//Create the variables needed to be passed into the 35 Ruleset
Variable<int> discountLevel = new Variable<int> { Default = 1 };
Variable<double> discountPoints = new Variable<double> { Default = 0.0 };
Variable<string> destination = new Variable<string> { Default = "London" };
Variable<double> price = new Variable<double> { Default = 1000.0 };
Variable<double> priceOut = new Variable<double> { Default = 0.0 };
Sequence result = new Sequence
{
Variables = {discountLevel, discountPoints, destination, price, priceOut},
Activities =
{
new WriteLine { Text = new InArgument<string>(env => string.Format("Price before applying Discount Rules = {0}", price.Get(env).ToString())) },
new WriteLine { Text = "Invoking Discount Rules defined in .NET 3.5"},
new Interop()
{
ActivityType = typeof(TravelRuleSet),
ActivityProperties =
{
//These bind to the dependency properties of the 35 custom ruleset
{ "DiscountLevel", new InArgument<int>(discountLevel) },
{ "DiscountPoints", new InArgument<double>(discountPoints) },
{ "Destination", new InArgument<string>(destination) },
{ "Price", new InArgument<double>(price) },
{ "PriceOut", new OutArgument<double>(priceOut) }
}
},
new WriteLine {Text = new InArgument<string>(env => string.Format("Price after applying Discount Rules = {0}", priceOut.Get(env).ToString())) }
}
};
return result;
}
public SendInstanceIdScope()
: base()
{
this.children = new Collection<Activity>();
this.variables = new Collection<Variable>();
this.currentIndex = new Variable<int>();
}
static Sequence CreateWorkflow()
{
Variable<int> count = new Variable<int> { Name = "count", Default = totalSteps };
Variable<int> stepsCounted = new Variable<int> { Name = "stepsCounted" };
return new Sequence()
{
Variables = { count, stepsCounted },
Activities =
{
new While((env) => count.Get(env) > 0)
{
Body = new Sequence
{
Activities =
{
new EchoPrompt {BookmarkName = echoPromptBookmark },
new IncrementStepCount(),
new Assign<int>{ To = new OutArgument<int>(count), Value = new InArgument<int>((context) => count.Get(context) - 1)}
}
}
},
new GetCurrentStepCount {Result = new OutArgument<int>(stepsCounted )},
new WriteLine { Text = new InArgument<string>((context) => "there were " + stepsCounted.Get(context) + " steps in this program")}}
};
}
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(),
}
}
};
}
// Creates a workflow that uses FindInTable activity without predicate to retrieve entities from a Sql Server Database
static Activity CreateRetrieveWithoutPredicateWF()
{
Variable<IList<Role>> roles = new Variable<IList<Role>>();
DelegateInArgument<Role> roleIterationVariable = new DelegateInArgument<Role>();
return new Sequence()
{
Variables = { roles },
Activities =
{
new WriteLine { Text = "\r\nAll Roles (no predicates)\r\n==============" },
new FindInSqlTable<Role>
{
ConnectionString = cnn,
Result = new OutArgument<IList<Role>>(roles)
},
new ForEach<Role>
{
Values = new InArgument<IEnumerable<Role>>(roles),
Body = new ActivityAction<Role>()
{
Argument = roleIterationVariable ,
Handler = new WriteLine { Text = new InArgument<string>(env => roleIterationVariable.Get(env).Name) }
}
}
}
};
}
private static WorkflowService CreateService()
{
Variable<string> message = new Variable<string> { Name = "message" };
Receive receiveString = new Receive
{
OperationName = "Print",
ServiceContractName = XName.Get("IPrintService", "http://tempuri.org/"),
Content = new ReceiveParametersContent
{
Parameters =
{
{"message", new OutArgument<string>(message)}
}
},
CanCreateInstance = true
};
Sequence workflow = new Sequence()
{
Variables = { message },
Activities =
{
receiveString,
new WriteLine
{
Text = new InArgument<string>(env =>("Message received from Client: " + message.Get(env)))
},
},
};
return new WorkflowService
{
Name = "PrintService",
Body = workflow
};
}
private static Activity CreatePrintProcessActivity(Variable<Collection<Process>> processes)
{
var proc = new DelegateInArgument<Process>("process");
return new Sequence
{
Activities =
{
// Loop over processes and print them out.
new ForEach<Process>
{
Values = processes,
Body = new ActivityAction<Process>
{
Argument = proc,
Handler = new WriteLine
{
Text = new InArgument<string>(ctx => proc.Get(ctx).ToString()),
}
}
},
// Print out a new line.
new WriteLine(),
}
};
}
static Activity GetServiceWorkflow()
{
Variable<string> echoString = new Variable<string>();
Receive echoRequest = new Receive
{
CanCreateInstance = true,
ServiceContractName = contract,
OperationName = "Echo",
Content = new ReceiveParametersContent()
{
Parameters = { { "echoString", new OutArgument<string>(echoString) } }
}
};
return new ReceiveInstanceIdScope
{
Variables = { echoString },
Activities =
{
echoRequest,
new WriteLine { Text = new InArgument<string>( (e) => "Received: " + echoString.Get(e) ) },
new SendReply
{
Request = echoRequest,
Content = new SendParametersContent()
{
Parameters = { { "result", new InArgument<string>(echoString) } }
}
}
}
};
}
public Receive()
: base()
{
base.Implementation = () =>
{
// if CacheMetadata isn't called, bail early
if (this.internalReceive == null)
{
return null;
}
// requestFormatter is null if we have an untyped message situation
if (this.requestFormatter == null)
{
return this.internalReceive;
}
else
{
Variable<Message> request = new Variable<Message> { Name = "RequestMessage" };
Variable<NoPersistHandle> noPersistHandle = new Variable<NoPersistHandle> { Name = "ReceiveNoPersistHandle" };
this.internalReceive.Message = new OutArgument<Message>(request);
this.requestFormatter.Message = new InOutArgument<Message>(request);
this.internalReceive.NoPersistHandle = new InArgument<NoPersistHandle>(noPersistHandle);
this.requestFormatter.NoPersistHandle = new InArgument<NoPersistHandle>(noPersistHandle);
return new Sequence
{
Variables = { request, noPersistHandle },
Activities = { this.internalReceive, this.requestFormatter }
};
}
};
}
protected override void CacheMetadata(NativeActivityMetadata metadata)
{
RuntimeArgument valuesArgument = new RuntimeArgument("Values", typeof(IEnumerable), ArgumentDirection.In, true);
metadata.Bind(this.Values, valuesArgument);
metadata.SetArgumentsCollection(new Collection<RuntimeArgument> { valuesArgument });
// declare the CompletionCondition as a child
if (this.CompletionCondition != null)
{
metadata.SetChildrenCollection(new Collection<Activity> { this.CompletionCondition });
}
// declare the hasCompleted variable
if (this.CompletionCondition != null)
{
if (this.hasCompleted == null)
{
this.hasCompleted = new Variable<bool>();
}
metadata.AddImplementationVariable(this.hasCompleted);
}
metadata.AddDelegate(this.Body);
}
static For Loop()
{
Variable<int> loopVariable = new Variable<int>();
return new For()
{
Variables = { loopVariable },
InitAction = new Assign<int>()
{
To = loopVariable,
Value = 0,
},
IterationAction = new Assign<int>()
{
To = loopVariable,
Value = new InArgument<int>(ctx => loopVariable.Get(ctx) + 1)
},
// ExpressionServices.Convert is called to convert LINQ expression to a
// serializable Expression Activity.
Condition = ExpressionServices.Convert<bool>(ctx => loopVariable.Get(ctx) < 10),
Body = new WriteLine
{
Text = new InArgument<string>(ctx => "Value of item is: " + loopVariable.Get(ctx).ToString()),
},
};
}
public Activity Create(DependencyObject target)
{
string correlationHandleName = ActivityDesignerHelper.GenerateUniqueVariableNameForContext(target, correlationHandleNamePrefix);
Variable<CorrelationHandle> requestReplyCorrelation = new Variable<CorrelationHandle> { Name = correlationHandleName };
Send send = new Send
{
OperationName = "Operation1",
ServiceContractName = XName.Get("IService", "http://tempuri.org/"),
CorrelationInitializers =
{
new RequestReplyCorrelationInitializer
{
CorrelationHandle = new VariableValue<CorrelationHandle> { Variable = requestReplyCorrelation }
}
}
};
Sequence sequence = new Sequence()
{
Variables = { requestReplyCorrelation },
Activities =
{
send,
new ReceiveReply
{
DisplayName = "ReceiveReplyForSend",
Request = send,
},
}
};
return sequence;
}
static void Main()
{
Variable<string> v = new Variable<string>();
Sequence s = new Sequence()
{
Variables = { v },
Activities =
{
new Assign<string>()
{
To = v,
Value = "hello, world"
},
new Interop()
{
ActivityType = typeof(WriteLine),
ActivityProperties =
{
// Bind the Text property of the WriteLine to the Variable v
{ "Text", new InArgument<string>(v) }
},
ActivityMetaProperties =
{
// Provide a value for the Name meta-property of the WriteLine
{ "Name", "WriteLine" }
}
}
}
};
WorkflowInvoker.Invoke(s);
Console.WriteLine("Press [enter] to exit");
Console.ReadLine();
}
public void Upload_ValidPackage_PackageUrl()
{
// Arrange
var keys = new Variable<StorageServiceKeys> { Default = null, Name = "Keys" };
var sequence = new Sequence
{
Variables =
{
keys
},
Activities =
{
new GetStorageKeys
{
SubscriptionId = string.Empty,
CertificateThumbprintId = string.Empty,
ServiceName = string.Empty,
StorageKeys = keys
},
new UploadPackageToBlobStorage
{
SubscriptionId = string.Empty,
CertificateThumbprintId = string.Empty,
LocalPackagePath = string.Empty,
StorageServiceName = string.Empty,
StorageKeys = keys
}
}
};
// Act
IDictionary<string, object> results = WorkflowInvoker.Invoke(sequence, new Dictionary<string, object>());
}
// Creates a workflow that uses FindInSqlTable activity with a more complex predicate to retrieve entities from a Sql Server Database
static Activity CreateRetrieveWithComplexPredicateWF()
{
Variable<IList<Employee>> employees = new Variable<IList<Employee>>();
DelegateInArgument<Employee> employeeIterationVariable = new DelegateInArgument<Employee>();
return new Sequence()
{
Variables = { employees },
Activities =
{
new WriteLine { Text = "\r\nEmployees by Role and Location (more complex predicate)\r\n============================================" },
new FindInSqlTable<Employee>
{
ConnectionString = cnn,
Predicate = new LambdaValue<Func<Employee, bool>>(c => new Func<Employee, bool>(emp => emp.Role.Equals("PM") && emp.Location.Equals("Redmond"))),
Result = new OutArgument<IList<Employee>>(employees)
},
new ForEach<Employee>
{
Values = new InArgument<IEnumerable<Employee>>(employees),
Body = new ActivityAction<Employee>()
{
Argument = employeeIterationVariable,
Handler = new WriteLine { Text = new InArgument<string>(env => employeeIterationVariable.Get(env).ToString()) }
}
}
}
};
}
public Wizard()
: base()
{
this.LastIndex = new Variable<int>() { Name = "LastIndexHint", Default = 0 };
this.ResumeParent = new Variable<Bookmark>() { Name = "ResumeParent", Default = null };
}
public Receive()
{
Func<Activity> func = null;
if (func == null)
{
func = delegate {
if (this.internalReceive == null)
{
return null;
}
if (this.requestFormatter == null)
{
return this.internalReceive;
}
Variable<Message> variable = new Variable<Message> {
Name = "RequestMessage"
};
Variable<NoPersistHandle> variable2 = new Variable<NoPersistHandle> {
Name = "ReceiveNoPersistHandle"
};
this.internalReceive.Message = new OutArgument<Message>(variable);
this.requestFormatter.Message = new InOutArgument<Message>(variable);
this.internalReceive.NoPersistHandle = new InArgument<NoPersistHandle>(variable2);
this.requestFormatter.NoPersistHandle = new InArgument<NoPersistHandle>(variable2);
return new Sequence { Variables = { variable, variable2 }, Activities = { this.internalReceive, this.requestFormatter } };
};
}
base.Implementation = func;
}
static Activity CreateWF()
{
Variable<string> message = new Variable<string>();
return new Sequence()
{
Variables = { message },
Activities =
{
new AppendString()
{
Name = ".NET WF",
Result = message
},
new PrependString()
{
Name = message,
Result = message,
},
new WriteLine()
{
Text = message
}
}
};
}
public TestCaseActivity()
{
children = new Collection<Activity>();
_currentIndex = new Variable<int>();
ErrorLevel = OnError.Continue;
OwnDataFirst = true;
}
static void CreateClientWorkflow()
{
Variable<string> message = new Variable<string>("message", "Hello!");
Variable<string> result = new Variable<string> { Name = "result" };
Endpoint endpoint = new Endpoint
{
AddressUri = new Uri(Microsoft.Samples.WorkflowServicesSamples.Common.Constants.ServiceBaseAddress),
Binding = new BasicHttpBinding(),
};
Send requestEcho = new Send
{
ServiceContractName = XName.Get("Echo", "http://tempuri.org/"),
Endpoint = endpoint,
OperationName = "Echo",
//parameters for send
Content = new SendParametersContent
{
Parameters =
{
{ "message", new InArgument<string>(message) }
}
}
};
workflow = new CorrelationScope
{
Body = new Sequence
{
Variables = { message, result },
Activities =
{
new WriteLine {
Text = new InArgument<string>("Client is ready!")
},
requestEcho,
new WriteLine {
Text = new InArgument<string>("Message sent: Hello!")
},
new ReceiveReply
{
Request = requestEcho,
//parameters for the reply
Content = new ReceiveParametersContent
{
Parameters =
{
{ "echo", new OutArgument<string>(result) }
}
}
},
new WriteLine {
Text = new InArgument<string>(env => "Message received: "+result.Get(env))
}
}
}
};
}
/// <summary>
/// It's constructor.
/// </summary>
public StateMachine()
{
this.internalStates = new Collection<InternalState>();
this.internalStateFuncs = new Collection<ActivityFunc<string, StateMachineEventManager, string>>();
this.eventManager = new Variable<StateMachineEventManager> { Name = "EventManager", Default = new LambdaValue<StateMachineEventManager>(ctx => new StateMachineEventManager()) };
this.onStateComplete = new CompletionCallback<string>(OnStateComplete);
}
Constraint UnrootedRequestRule()
{
DelegateInArgument<SendReply> sendReply = new DelegateInArgument<SendReply>();
DelegateInArgument<ValidationContext> context = new DelegateInArgument<ValidationContext>();
DelegateInArgument<Activity> activityInTree = new DelegateInArgument<Activity>();
Variable<bool> requestInTree = new Variable<bool> { Default = false };
return new Constraint<SendReply>
{
Body = new ActivityAction<SendReply, ValidationContext>
{
Argument1 = sendReply,
Argument2 = context,
Handler = new Sequence
{
Variables = { requestInTree },
Activities =
{
new If
{
Condition = new InArgument<bool>(ctx => sendReply.Get(ctx).Request != null),
Then = new Sequence
{
Activities =
{
new ForEach<Activity>
{
Values = new GetWorkflowTree
{
ValidationContext = context,
},
Body = new ActivityAction<Activity>
{
Argument = activityInTree,
Handler = new If
{
Condition = new InArgument<bool>(ctx => activityInTree.Get(ctx) == sendReply.Get(ctx).Request),
Then = new Assign<bool>
{
To = requestInTree,
Value = true,
}
}
}
},
new AssertValidation
{
Assertion = new InArgument<bool>(ctx => requestInTree.Get(ctx)),
IsWarning = false,
Message = new InArgument<string>(ctx => string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.UnrootedRequestInSendReply, sendReply.Get(ctx).DisplayName))
}
}
}
}
}
}
}
};
}
private static void CreateService()
{
Variable<string> message = new Variable<string> { Name = "message" };
Variable<string> echo = new Variable<string> { Name = "echo" };
Receive receiveString = new Receive
{
OperationName = "Echo",
ServiceContractName = "Echo",
CanCreateInstance = true,
//parameters for receive
Content = new ReceiveParametersContent
{
Parameters =
{
{"message", new OutArgument<string>(message)}
}
}
};
Sequence workflow = new Sequence()
{
Variables = { message, echo },
Activities =
{
receiveString,
new WriteLine
{
Text = new InArgument<string>(env =>("Message received: " + message.Get(env)))
},
new Assign<string>
{
Value = new InArgument<string>(env =>("<echo> " + message.Get(env))),
To = new OutArgument<string>(echo)
},
//parameters for reply
new SendReply
{
Request = receiveString,
Content = new SendParametersContent
{
Parameters =
{
{ "echo", new InArgument<string>(echo) }
},
}
},
new WriteLine
{
Text = new InArgument<string>(env =>("Message sent: " + echo.Get(env)))
},
},
};
service = new WorkflowService
{
Name = "Echo",
Body = workflow
};
}
public SubscribeFileChanges()
{
this.WatchSubfolders = false;
this.bookmark = new Variable<Bookmark>()
{
Name = "SubscriptionBookmark"
};
}
public NoPersistScope()
{
// add the validation to the list of validations for this activity
this.Constraints.Add(VerifiyNoChildPersistActivity());
// create the variable to hold the NoPersistHandle
this.noPersistHandle = new Variable<NoPersistHandle>();
}
public RangeEnumeration()
{
this.loopVariable = new Variable<int>("LoopVariable");
this.invokeBody = new InvokeAction<int>
{
Argument = this.loopVariable,
};
}
public VariableValue(System.Activities.Variable variable)
{
this.Variable = variable;
}
public VariableReference(System.Activities.Variable variable)
{
this.Variable = variable;
}
public void AddVariable(Variable variable)
{
AddVariable(variable, null);
}
