static bool getResultFromPrevIfElse(
SagaSteps childSteps,
ISagaStep step,
SagaExecutionState sagaState)
{
while (true)
{
ISagaStep prevStepIf = GetPrevStepSameLevel(childSteps, step.ParentStep, step);
if (prevStepIf.Is <ISagaStepForIf>())
{
IStepData stepDataIf = sagaState.History.
GetLatestByStepName(prevStepIf.StepName);
if (stepDataIf?.ExecutionData?.ConditionResult == true)
{
return(true);
}
if (!prevStepIf.Is <ISagaStepForElse>())
{
return(false);
}
step = prevStepIf;
}
else
{
return(false);
}
}
}
static ISagaStep GetNextStepElsewhere(
SagaSteps SagaSteps, ISagaStep stepToFind,
Boolean onTheSameLevel = false)
{
ISagaStep parentStep = stepToFind?.ParentStep;
bool stepFound = false;
if (parentStep == null)
{
foreach (ISagaStep childStep in SagaSteps)
{
if (stepFound)
{
return(childStep);
}
if (childStep == stepToFind)
{
stepFound = true;
}
}
return(null);
}
else
{
foreach (ISagaStep childStep in parentStep.ChildSteps)
{
if (stepFound)
{
return(childStep);
}
if (childStep == stepToFind)
{
stepFound = true;
}
}
if (stepFound && onTheSameLevel)
{
return(null);
}
return(GetNextStepElsewhere(SagaSteps, stepToFind.ParentStep, onTheSameLevel));
}
}
static ISagaStep GetNextStepAfterIfElse(
SagaSteps childSteps,
ISagaStep step)
{
while (true)
{
ISagaStep nextStep = GetNextStepSameLevel(childSteps, step);
if (nextStep.Is <ISagaStepForIf>() && nextStep.Is <ISagaStepForElse>())
{
step = nextStep;
}
else if (!nextStep.Is <ISagaStepForIf>() && nextStep.Is <ISagaStepForElse>())
{
step = nextStep;
}
else
{
return(nextStep);
}
}
}
public SagaAction()
{
ChildSteps = new SagaSteps();
}
static ISagaStep GetNextStepSameLevel(
SagaSteps SagaSteps, ISagaStep stepToFind)
{
return(GetNextStepElsewhere(SagaSteps, stepToFind, true));
}