public ExecutionBranch BuildNextBranch()
{
var result = new ExecutionBranch(Level + 1);
NextBranch = result;
return(result);
}
private async Task ExecuteBranch(CMMNExecutionContext executionContext, ExecutionBranch branch, CancellationToken cancellationToken)
{
var taskLst = new List <Task>();
foreach (var node in branch.Nodes)
{
taskLst.Add(HandleCasePlan(executionContext, node, cancellationToken));
}
await Task.WhenAll(taskLst);
if (branch.NextBranch != null)
{
await ExecuteBranch(executionContext, branch.NextBranch, cancellationToken);
}
}
protected override async Task ProtectedProcess(CMMNExecutionContext executionContext, StageElementInstance stageElt, CancellationToken cancellationToken)
{
var executionBranch = ExecutionBranch.Build(stageElt.Children);
await ExecuteBranch(executionContext, executionBranch, cancellationToken);
if (stageElt.Children.All(_ => IsElementCompleted(_)))
{
executionContext.CasePlanInstance.MakeTransition(stageElt, CMMNTransitions.Complete);
return;
}
if (executionContext.CasePlanInstance.IsExitCriteriaSatisfied(stageElt))
{
executionContext.CasePlanInstance.MakeTransition(stageElt, CMMNTransitions.Terminate);
}
}
public static ExecutionBranch Build(ICollection <BaseCasePlanItemInstance> casePlanElementInstances, ExecutionBranch parentExecutionBranch = null)
{
IEnumerable <BaseCasePlanItemInstance> filteredCasePlanElementsInstances;
if (parentExecutionBranch == null)
{
parentExecutionBranch = new ExecutionBranch(0);
filteredCasePlanElementsInstances = casePlanElementInstances.Where(_ => parentExecutionBranch.IsRoot() && _.EntryCriterions == null || !_.EntryCriterions.Any());
}
else
{
filteredCasePlanElementsInstances = casePlanElementInstances.Where(_ =>
{
var ids = _.EntryCriterions.SelectMany(ec => ec.SEntry.PlanItemOnParts.Select(pp => pp.SourceRef));
return(!casePlanElementInstances.Any(i => ids.Contains(i.Id)));
});
}
foreach (var elt in filteredCasePlanElementsInstances)
{
parentExecutionBranch.AddNode(elt);
}
var removedIds = filteredCasePlanElementsInstances.Select(_ => _.Id);
var newCasePlanElementInstances = casePlanElementInstances.Where(_ => !removedIds.Contains(_.Id)).ToList();
if (!newCasePlanElementInstances.Any())
{
return(parentExecutionBranch);
}
var nextBranch = parentExecutionBranch.BuildNextBranch();
Build(newCasePlanElementInstances, nextBranch);
return(parentExecutionBranch);
}
