forked from vmware-archive/atc
/
plan_traversal.go
77 lines (63 loc) · 1.39 KB
/
plan_traversal.go
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package atc
type PlanTraverseFunc func(plan *Plan) error
type PlanTraversal interface {
Traverse(plan *Plan) error
}
type planTraversal struct {
traverseFunc PlanTraverseFunc
}
func NewPlanTraversal(f PlanTraverseFunc) PlanTraversal {
return &planTraversal{traverseFunc: f}
}
func (pt *planTraversal) Traverse(plan *Plan) error {
err := pt.traverseFunc(plan)
if err != nil {
return err
}
switch {
case plan.Aggregate != nil:
for i := range *plan.Aggregate {
err = pt.Traverse(&(*plan.Aggregate)[i])
if err != nil {
return err
}
}
case plan.Do != nil:
for i := range *plan.Do {
err = pt.Traverse(&(*plan.Do)[i])
if err != nil {
return err
}
}
case plan.Timeout != nil:
return pt.Traverse(&plan.Timeout.Step)
case plan.Try != nil:
return pt.Traverse(&plan.Try.Step)
case plan.OnSuccess != nil:
err = pt.Traverse(&plan.OnSuccess.Step)
if err != nil {
return err
}
return pt.Traverse(&plan.OnSuccess.Next)
case plan.OnFailure != nil:
err = pt.Traverse(&plan.OnFailure.Step)
if err != nil {
return err
}
return pt.Traverse(&plan.OnFailure.Next)
case plan.Ensure != nil:
err = pt.Traverse(&plan.Ensure.Step)
if err != nil {
return err
}
return pt.Traverse(&plan.Ensure.Next)
case plan.Retry != nil:
for i := range *plan.Retry {
err = pt.Traverse(&(*plan.Retry)[i])
if err != nil {
return err
}
}
}
return nil
}