private void OnUpdateOrderTotal(NativeActivityContext context,
Bookmark bookmark, object value)
{
if (value is Decimal)
{
OrderTotal.Set(context,
OrderTotal.Get(context) + (Decimal)value);
Console.WriteLine(
"OrderScope.OnUpdateOrderTotal Value: {0}, Total: {1}",
(Decimal)value, OrderTotal.Get(context));
}
}
private Activity GetImplementation()
{
Variable <string> atBatResult = new Variable <string>
{
Name = "outerAtBatResult",
Default = "default at bat result"
};
Variable <int> pitchCount = new Variable <int>
{
Name = "outerPitchCount",
Default = 0
};
Activity stateMachine = CreateStateMachine(atBatResult, pitchCount);
return(new Sequence
{
DisplayName = "OuterImplementation",
Variables = { atBatResult, pitchCount },
Activities =
{
stateMachine,
new Assign <string>
{
To = new OutArgument <string>(ctx => AtBatResult.Get(ctx)),
Value = new InArgument <string>(ctx => atBatResult.Get(ctx))
},
new Assign <int>
{
To = new OutArgument <int>(ctx => PitchCount.Get(ctx)),
Value = new InArgument <int>(ctx => pitchCount.Get(ctx))
}
}
});
}
private Activity GetImplementation()
{
var target = new Variable <int>();
var guess = new Variable <int>();
return(new Sequence
{
Variables = { target, guess },
Activities =
{
new Assign <int> {
To = new OutArgument <int>(target),
Value = new InArgument <int>(ctx => GuessNumber.Get(ctx))
},
new DoWhile {
Body = new Sequence {
Activities =
{
new Prompt {
BookmarkName = "EnterGuess",
Text = new InArgument <string>(ctx =>
"Please enter your guess"),
Result = new OutArgument <int>(guess)
},
new Assign <int> {
To = new OutArgument <int>(ctx => Turns.Get(ctx)),
Value = new InArgument <int>(ctx => Turns.Get(ctx) + 1)
},
new If {
Condition = new InArgument <bool>(ctx => guess.Get(ctx) != target.Get(ctx)),
Then = new If{
Condition = new InArgument <bool>(ctx => guess.Get(ctx) < target.Get(ctx)),
Then = new WriteLine{
Text = "Your guess is too low."
},
Else = new WriteLine{
Text = "Your guess is too high."
}
}
}
}
},
Condition = new LambdaValue <bool>(ctx => guess.Get(ctx) != target.Get(ctx))
}
}
});
}
// Updates and returns the version of the specified attribute.
private string UpdateVersion(string attributeName, string format, OutArgument <Version> maxVersion)
{
var oldValue = this.file[attributeName];
if (oldValue == null || string.IsNullOrWhiteSpace(format))
{
// do nothing
return(oldValue);
}
// parse old version (handle * character)
bool containsWildcard = oldValue.Contains('*');
string versionPattern = "{0}.{1}.{2}.{3}";
if (containsWildcard)
{
if (oldValue.Split('.').Length == 3)
{
oldValue = oldValue.Replace("*", "0.0");
versionPattern = "{0}.{1}.*";
}
else
{
oldValue = oldValue.Replace("*", "0");
versionPattern = "{0}.{1}.{2}.*";
}
}
if (!versionParser.IsMatch(oldValue))
{
throw new FormatException("Current value for attribute '" + attributeName + "' is not in a correct version format.");
}
var version = new Version(oldValue);
// update version
var tokens = format.Split('.');
if (tokens.Length != 4)
{
throw new FormatException("Specified value for attribute '" + attributeName + "' is not a correct version format.");
}
version = new Version(
Convert.ToInt32(this.ReplaceTokens(tokens[0], version.Major)),
Convert.ToInt32(this.ReplaceTokens(tokens[1], version.Minor)),
Convert.ToInt32(this.ReplaceTokens(tokens[2], version.Build)),
Convert.ToInt32(this.ReplaceTokens(tokens[3], version.Revision)));
this.file[attributeName] = string.Format(versionPattern, version.Major, version.Minor, version.Build, version.Revision);
if (version > maxVersion.Get(this.ActivityContext))
{
maxVersion.Set(this.ActivityContext, version);
}
return(version.ToString());
}
public void ParameterAssign()
{
//Define the input argument for the activity
var inputValue = new InArgument <int>();
var outputValue = new OutArgument <int>();
//Create the activity, property, and implementation
Activity dynamicWorkflow = new DynamicActivity()
{
Properties =
{
new DynamicActivityProperty
{
Name = "InputInteger",
Type = typeof(InArgument <int>),
Value = inputValue
},
new DynamicActivityProperty
{
Name = "OutputInteger",
Type = typeof(OutArgument <int>),
Value = outputValue
},
},
Implementation = () => new Sequence()
{
Activities =
{
new Assign()
{
To = new OutArgument <int>(env => outputValue.Get(env)),
Value = new InArgument <int>(env => inputValue.Get(env))
},
new WriteLine()
{
Text = new InArgument <string>("Assign was successful")
}
}
}
};
//Execute the activity with a parameter dictionary
var o = WorkflowInvoker.Invoke(dynamicWorkflow, new Dictionary <string, object> {
{ "InputInteger", 42 }
});
foreach (var kvp in o)
{
Console.WriteLine(kvp.Key + " : " + kvp.Value.ToString());
}
if (o.TryGetValue("OutputInteger", out object value))
{
int returnedInt = (int)value;
Assert.Equal(42, returnedInt);
}
}
public static TOutput Invoke <TActivity, TOutput>(this TActivity activity, Action <TActivity, OutArgument <TOutput> > setOutput)
where TActivity : Activity
{
var inToken = new InArgument <string>("inToken");
var inBaseUrl = new InArgument <string>("inBaseUrl");
var indicoScope = new IndicoScope
{
Host = new InArgument <string>(ctx => inBaseUrl.Get(ctx)),
Token = new InArgument <string>(ctx => inToken.Get(ctx)),
Body = { Handler = activity },
};
OutArgument <TOutput> outArg = new OutArgument <TOutput>();
var root = new DynamicActivity
{
Properties =
{
new DynamicActivityProperty
{
Name = nameof(IndicoScope.Token),
Value = inToken,
Type = inToken.GetType(),
},
new DynamicActivityProperty
{
Name = nameof(IndicoScope.Host),
Value = inBaseUrl,
Type = inBaseUrl.GetType(),
},
new DynamicActivityProperty
{
Name = "OutArg",
Type = typeof(OutArgument <TOutput>),
Value = outArg,
}
},
Implementation = () => indicoScope
};
setOutput(activity, new OutArgument <TOutput>(ctx => outArg.Get(ctx)));
var resultDictionary = WorkflowInvoker.Invoke(root, GetScopeParams());
var result = (TOutput)resultDictionary.Single().Value;
return(result);
}
// Updates and returns the version of the specified attribute.
private string UpdateVersion(string attributeName, string format, OutArgument <Version> maxVersion)
{
var oldValue = this.file[attributeName];
if (oldValue == null || string.IsNullOrWhiteSpace(format))
{
// do nothing
return(string.Empty);
}
// parse old version
if (!versionParser.IsMatch(oldValue))
{
throw new FormatException("Current value for attribute '" + attributeName + "' is not in a correct version format.");
}
var version = new Version(oldValue);
// update version
var tokens = format.Split('.');
if (tokens.Length != 4)
{
throw new FormatException("Specified value for attribute '" + attributeName + "' is not a correct version format.");
}
version = new Version(
Convert.ToInt32(this.ReplaceTokens(tokens[0], version.Major)),
Convert.ToInt32(this.ReplaceTokens(tokens[1], version.Minor)),
Convert.ToInt32(this.ReplaceTokens(tokens[2], version.Build)),
Convert.ToInt32(this.ReplaceTokens(tokens[3], version.Revision)));
this.file[attributeName] = version.ToString();
if (version > maxVersion.Get(this.ActivityContext))
{
maxVersion.Set(this.ActivityContext, version);
}
return(version.ToString());
}
void BookmarkCallback(NativeActivityContext context, Bookmark bookmark, object bookmarkData)
{
int localGuess = (int)bookmarkData, localTarget = Target.Get(context);
Guess.Set(context, localGuess);
Turns.Set(context, Turns.Get(context) + 1);
if (localGuess != localTarget)
{
if (localGuess < localTarget)
{
Console.WriteLine("Your guess is too low.");
}
else
{
Console.WriteLine("Your guess is too high.");
}
}
else
{
context.RemoveBookmark(bookmark.Name);
}
}
/// <summary>
/// Получение значения выходного параметра.
/// </summary>
/// <typeparam name="T">Тип параметра.</typeparam>
/// <param name="argument">Экземпляр класса <see cref="InArgument{T}"/>.</param>
/// <param name="context">Контекст выполенения.</param>
/// <returns>Метод возвращает значение указанного входного параметра.</returns>
public static T Get <T>(this OutArgument <T> argument, Context context)
{
return(argument.Get <T>(context.SourceActivityContext));
}
private Activity GetImplementation()
{
Variable <double> discount = new Variable <double>();
Variable <string> discountCode = new Variable <string>();
Variable <bool> isStudent = new Variable <bool>()
{
Default = _isStudent
};
Variable <bool> isMarried = new Variable <bool> {
Default = _isMarried
};
Variable <bool> haveChild = new Variable <bool> {
Default = _haveChild
};
FlowStep returnDiscountCode = new FlowStep
{
Action = new Assign <string>
{
DisplayName = "Return Discount Code",
To = new OutArgument <string>((ctx) => DiscountCode.Get(ctx)),
Value = new InArgument <string>(discountCode)
},
Next = null
};
FlowStep printDiscount = new FlowStep
{
Action = new WriteLine
{
DisplayName = "WriteLine: Discount Applied",
Text = discountCode
},
Next = returnDiscountCode
};
FlowStep applyDefaultDiscount = new FlowStep
{
Action = new Assign <double>
{
DisplayName = "Default Discount is 0%",
To = discount,
Value = new InArgument <double>(0)
},
Next = printDiscount
};
FlowStep applyBaseDiscount = new FlowStep
{
Action = new Assign <double>
{
DisplayName = "Base Discount is 5%",
To = discount,
Value = new InArgument <double>(5)
},
Next = printDiscount
};
FlowStep applyStandardDiscount = new FlowStep
{
Action = new Assign <double>
{
DisplayName = "Standard Discount is 10%",
To = discount,
Value = new InArgument <double>(10)
},
Next = printDiscount
};
FlowStep applyPremiumDiscount = new FlowStep
{
Action = new Assign <double>
{
DisplayName = "Standard Discount is 15%",
To = discount,
Value = new InArgument <double>(15)
},
Next = printDiscount
};
FlowSwitch <string> discountCodeSwitch = new FlowSwitch <string>
{
Expression = discountCode,
Cases =
{
{ "STD", applyBaseDiscount },
{ "MNC", applyStandardDiscount },
{ "MWC", applyPremiumDiscount },
},
Default = applyDefaultDiscount
};
FlowStep noDiscount = new FlowStep
{
Action = new Assign <string>
{
DisplayName = "No Discount",
To = discountCode,
Value = new InArgument <string>("NONE")
},
Next = discountCodeSwitch
};
FlowStep studentDiscount = new FlowStep
{
Action = new Assign <string>
{
DisplayName = "Student Discount is appplied",
To = discountCode,
Value = new InArgument <string>("STD")
},
Next = discountCodeSwitch
};
FlowStep marriedWithNoChildDiscount = new FlowStep
{
Action = new Assign <string>
{
DisplayName = "Married with no child Discount is applied",
To = discountCode,
Value = new InArgument <string>("MNC")
},
Next = discountCodeSwitch
};
FlowStep marriedWithChildDiscount = new FlowStep
{
Action = new Assign <string>
{
DisplayName = "Married with child Discount is 15%",
To = discountCode,
Value = new InArgument <string>("MWC")
},
Next = discountCodeSwitch
};
FlowDecision singleFlowDecision = new FlowDecision
{
Condition = ExpressionServices.Convert <bool>((ctx) => isStudent.Get(ctx)),
True = studentDiscount,
False = noDiscount,
};
FlowDecision marriedFlowDecision = new FlowDecision
{
Condition = ExpressionServices.Convert <bool>((ctx) => haveChild.Get(ctx)),
True = marriedWithChildDiscount,
False = marriedWithNoChildDiscount,
};
FlowDecision startNode = new FlowDecision
{
Condition = ExpressionServices.Convert <bool>((ctx) => isMarried.Get(ctx)),
True = marriedFlowDecision,
False = singleFlowDecision
};
return(new Flowchart()
{
DisplayName = "Auto insurance discount calculation",
Variables = { discount, isMarried, isStudent, haveChild, discountCode },
StartNode = startNode,
Nodes =
{
startNode,
marriedFlowDecision,
singleFlowDecision,
marriedWithChildDiscount,
marriedWithNoChildDiscount,
studentDiscount,
noDiscount,
discountCodeSwitch,
applyBaseDiscount,
applyDefaultDiscount,
applyPremiumDiscount,
applyStandardDiscount,
printDiscount,
returnDiscountCode
}
});
}
public static InArgument <T> In <T>(this OutArgument <T> self)
{
return(new InArgument <T>(context => self.Get(context)));
}
public static OutArgument <T> Out <T>(this OutArgument <T> self)
{
return(new OutArgument <T>(context => self.Get(context)));
}