public IContainerStepBuilder <TData, When, OutcomeSwitch> When(Expression <Func <TData, object> > outcomeValue, string label = null)
{
var newStep = new WorkflowStep <When>();
Expression <Func <When, object> > inputExpr = (x => x.ExpectedOutcome);
newStep.Inputs.Add(new MemberMapParameter(outcomeValue, inputExpr));
IStepBuilder <TData, OutcomeSwitch> switchBuilder;
if (Step.BodyType != typeof(OutcomeSwitch))
{
var switchStep = new WorkflowStep <OutcomeSwitch>();
WorkflowBuilder.AddStep(switchStep);
Step.Outcomes.Add(new StepOutcome()
{
NextStep = switchStep.Id,
Label = label
});
switchBuilder = new StepBuilder <TData, OutcomeSwitch>(WorkflowBuilder, switchStep);
}
else
{
switchBuilder = (this as IStepBuilder <TData, OutcomeSwitch>);
}
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new ReturnStepBuilder <TData, When, OutcomeSwitch>(WorkflowBuilder, newStep, switchBuilder);
switchBuilder.Step.Children.Add(newStep.Id);
return(stepBuilder);
}
public IStepBuilder <TData, Activity> Activity(string activityName, Expression <Func <TData, object> > parameters = null, Expression <Func <TData, DateTime> > effectiveDate = null, Expression <Func <TData, bool> > cancelCondition = null)
{
var newStep = new WorkflowStep <Activity>();
newStep.CancelCondition = cancelCondition;
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Activity>(WorkflowBuilder, newStep);
stepBuilder.Input((step) => step.ActivityName, (data) => activityName);
if (parameters != null)
{
stepBuilder.Input((step) => step.Parameters, parameters);
}
if (effectiveDate != null)
{
stepBuilder.Input((step) => step.EffectiveDate, effectiveDate);
}
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, WaitFor> WaitFor(string eventName, Expression <Func <TData, IStepExecutionContext, string> > eventKey, Expression <Func <TData, DateTime> > effectiveDate = null, Expression <Func <TData, bool> > cancelCondition = null)
{
WorkflowStep <WaitFor> newStep;
if (cancelCondition != null)
{
newStep = new CancellableStep <WaitFor, TData>(cancelCondition);
}
else
{
newStep = new WorkflowStep <WaitFor>();
}
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, WaitFor>(WorkflowBuilder, newStep);
stepBuilder.Input((step) => step.EventName, (data) => eventName);
stepBuilder.Input((step) => step.EventKey, eventKey);
if (effectiveDate != null)
{
stepBuilder.Input((step) => step.EffectiveDate, effectiveDate);
}
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, TStep> Then <TStep>(IStepBuilder <TData, TStep> step)
where TStep : IStepBody
{
Outcome.NextStep = step.Step.Id;
var stepBuilder = new StepBuilder <TData, TStep>(WorkflowBuilder, step.Step);
return(stepBuilder);
}
public IStepBuilder <TData, TStep> Then <TStep>(IStepBuilder <TData, TStep> newStep)
where TStep : IStepBody
{
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Step.Id
});
var stepBuilder = new StepBuilder <TData, TStep>(WorkflowBuilder, newStep.Step);
return(stepBuilder);
}
public IStepBuilder <TData, InlineStepBody> Then(Func <IStepExecutionContext, ExecutionResult> body)
{
WorkflowStepInline newStep = new WorkflowStepInline();
newStep.Body = body;
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, InlineStepBody>(WorkflowBuilder, newStep);
Outcome.NextStep = newStep.Id;
return(stepBuilder);
}
public IStepBuilder <TData, TStepBody> CompensateWith(Func <IStepExecutionContext, ExecutionResult> body)
{
WorkflowStepInline newStep = new WorkflowStepInline();
newStep.Body = body;
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, InlineStepBody>(WorkflowBuilder, newStep);
Step.CompensationStepId = newStep.Id;
return(this);
}
public IStepBuilder <TData, TStepBody> CompensateWith(Action <IStepExecutionContext> body)
{
var newStep = new WorkflowStep <ActionStepBody>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, ActionStepBody>(WorkflowBuilder, newStep);
stepBuilder.Input(x => x.Body, x => body);
Step.CompensationStepId = newStep.Id;
return(this);
}
public IStepBuilder <TData, ActionStepBody> Then(Action <IStepExecutionContext> body)
{
var newStep = new WorkflowStep <ActionStepBody>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, ActionStepBody>(WorkflowBuilder, newStep);
stepBuilder.Input(x => x.Body, x => body);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, TStepBody> CompensateWithSequence(Action <IWorkflowBuilder <TData> > builder)
{
var newStep = new WorkflowStep <Sequence>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Sequence>(WorkflowBuilder, newStep);
Step.CompensationStepId = newStep.Id;
builder.Invoke(WorkflowBuilder);
stepBuilder.Step.Children.Add(stepBuilder.Step.Id + 1); //TODO: make more elegant
return(this);
}
public IParallelStepBuilder <TData, Sequence> Parallel()
{
var newStep = new WorkflowStep <Sequence>();
var newBuilder = new StepBuilder <TData, Sequence>(WorkflowBuilder, newStep);
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new ParallelStepBuilder <TData, Sequence>(WorkflowBuilder, newBuilder, newBuilder);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, Sequence> Saga(Action <IWorkflowBuilder <TData> > builder)
{
var newStep = new SagaContainer <Sequence>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Sequence>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
builder.Invoke(WorkflowBuilder);
stepBuilder.Step.Children.Add(stepBuilder.Step.Id + 1); //TODO: make more elegant
return(stepBuilder);
}
public IStepBuilder <TData, SubscriptionStepBody> WaitFor(string eventName, Expression <Func <TData, string> > eventKey)
{
var newStep = new SubscriptionStep <SubscriptionStepBody>();
newStep.EventName = eventName;
newStep.EventKey = eventKey;
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, SubscriptionStepBody>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, InlineStepBody> Then(Func <IStepExecutionContext, ExecutionResult> body)
{
WorkflowStepInline newStep = new WorkflowStepInline
{
Body = body
};
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, InlineStepBody>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, Delay> Delay(Expression <Func <TData, TimeSpan> > period)
{
var newStep = new WorkflowStep <Delay>();
Expression <Func <Delay, TimeSpan> > inputExpr = (x => x.Period);
newStep.Inputs.Add(new MemberMapParameter(period, inputExpr));
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Delay>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, Decide> Decide(Expression <Func <TData, object> > expression)
{
var newStep = new WorkflowStep <Decide>();
Expression <Func <Decide, object> > inputExpr = (x => x.Expression);
newStep.Inputs.Add(new MemberMapParameter(expression, inputExpr));
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Decide>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, TStepBody> CompensateWith <TStep>(Action <IStepBuilder <TData, TStep> > stepSetup = null) where TStep : IStepBody
{
WorkflowStep <TStep> newStep = new WorkflowStep <TStep>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, TStep>(WorkflowBuilder, newStep);
if (stepSetup != null)
{
stepSetup.Invoke(stepBuilder);
}
newStep.Name = newStep.Name ?? typeof(TStep).Name;
Step.CompensationStepId = newStep.Id;
return(this);
}
public IContainerStepBuilder <TData, If, If> If(Expression <Func <TData, bool> > condition)
{
var newStep = new WorkflowStep <If>();
Expression <Func <If, bool> > inputExpr = (x => x.Condition);
newStep.Inputs.Add(new MemberMapParameter(condition, inputExpr));
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, If>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IContainerStepBuilder <TData, Foreach, Foreach> ForEach(Expression <Func <TData, IEnumerable> > collection)
{
var newStep = new WorkflowStep <Foreach>();
Expression <Func <Foreach, IEnumerable> > inputExpr = (x => x.Collection);
newStep.Inputs.Add(new MemberMapParameter(collection, inputExpr));
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Foreach>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, TStep> Then <TStep>(Action <IStepBuilder <TData, TStep> > stepSetup = null)
where TStep : IStepBody
{
WorkflowStep <TStep> step = new WorkflowStep <TStep>();
WorkflowBuilder.AddStep(step);
var stepBuilder = new StepBuilder <TData, TStep>(WorkflowBuilder, step);
if (stepSetup != null)
{
stepSetup.Invoke(stepBuilder);
}
step.Name = step.Name ?? typeof(TStep).Name;
Outcome.NextStep = step.Id;
return(stepBuilder);
}
public IStepBuilder <TData, TStep> Then <TStep>(Action <IStepBuilder <TData, TStep> > stepSetup = null)
where TStep : IStepBody
{
WorkflowStep <TStep> newStep = new WorkflowStep <TStep>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, TStep>(WorkflowBuilder, newStep);
if (stepSetup != null)
{
stepSetup.Invoke(stepBuilder);
}
newStep.Name = newStep.Name ?? typeof(TStep).Name;
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, WaitFor> WaitFor(string eventName, Expression <Func <TData, IStepExecutionContext, string> > eventKey, Expression <Func <TData, DateTime> > effectiveDate = null)
{
var newStep = new WorkflowStep <WaitFor>();
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, WaitFor>(WorkflowBuilder, newStep);
stepBuilder.Input((step) => step.EventName, (data) => eventName);
stepBuilder.Input((step) => step.EventKey, eventKey);
if (effectiveDate != null)
{
stepBuilder.Input((step) => step.EffectiveDate, effectiveDate);
}
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, WaitFor> WaitFor(string eventName, Expression <Func <TData, string> > eventKey, Expression <Func <TData, DateTime> > effectiveDate = null, Expression <Func <TData, bool> > cancelCondition = null)
{
var newStep = new WorkflowStep <WaitFor>();
newStep.CancelCondition = cancelCondition;
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, WaitFor>(WorkflowBuilder, newStep);
stepBuilder.Input((step) => step.EventName, (data) => eventName);
stepBuilder.Input((step) => step.EventKey, eventKey);
if (effectiveDate != null)
{
stepBuilder.Input((step) => step.EffectiveDate, effectiveDate);
}
Step.Outcomes.Add(new ValueOutcome {
NextStep = newStep.Id
});
return(stepBuilder);
}
public IStepBuilder <TData, Delay> Delay(Expression <Func <TData, TimeSpan> > period)
{
var newStep = new WorkflowStep <Delay>();
Expression <Func <Delay, TimeSpan> > inputExpr = (x => x.Period);
var mapping = new DataMapping()
{
Source = period,
Target = inputExpr
};
newStep.Inputs.Add(mapping);
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Delay>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IContainerStepBuilder <TData, If, If> If(Expression <Func <TData, bool> > condition)
{
var newStep = new WorkflowStep <If>();
Expression <Func <If, bool> > inputExpr = (x => x.ConditionResult);
var mapping = new DataMapping()
{
Source = condition,
Target = inputExpr
};
newStep.Inputs.Add(mapping);
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, If>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
public IContainerStepBuilder <TData, Foreach, Foreach> ForEach(Expression <Func <TData, IEnumerable> > collection)
{
var newStep = new WorkflowStep <Foreach>();
Expression <Func <Foreach, IEnumerable> > inputExpr = (x => x.Collection);
var mapping = new DataMapping()
{
Source = collection,
Target = inputExpr
};
newStep.Inputs.Add(mapping);
WorkflowBuilder.AddStep(newStep);
var stepBuilder = new StepBuilder <TData, Foreach>(WorkflowBuilder, newStep);
Step.Outcomes.Add(new StepOutcome()
{
NextStep = newStep.Id
});
return(stepBuilder);
}
