/
dependencies.go
53 lines (48 loc) · 1.2 KB
/
dependencies.go
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package model
import (
"context"
"fmt"
"go.opentelemetry.io/otel/trace"
)
// Dependencies describes dependencies.
type Dependencies struct {
Seq Sequence `json:",omitempty"`
Par *Parallel `json:",omitempty"`
Service *ServiceDep `json:",omitempty"`
}
// Validate performs validation and sets defaults.
func (d *Dependencies) Validate(r *Registry) error {
count := 0
if len(d.Seq) > 0 {
if err := d.Seq.Validate(r); err != nil {
return fmt.Errorf("Dependencies.Seq validation error: %v", err)
}
count++
}
if d.Par != nil {
if err := d.Par.Validate(r); err != nil {
return fmt.Errorf("Dependencies.Par validation error: %v", err)
}
count++
}
if d.Service != nil {
if err := d.Service.Validate(r); err != nil {
return fmt.Errorf("Dependencies.Service validation error: %v", err)
}
count++
}
if count != 1 {
return fmt.Errorf("Dependencies: exactly one of the fields must be populated")
}
return nil
}
// Call makes calls to all dependencies.
func (d *Dependencies) Call(ctx context.Context, tracer trace.Tracer) error {
if len(d.Seq) > 0 {
return d.Seq.Call(ctx, tracer)
}
if d.Par != nil {
return d.Par.Call(ctx, tracer)
}
return d.Service.Call(ctx, tracer)
}