Remove implementations in graph.go

service/graph.go

@@ -19,7 +19,6 @@ import (
 	"net/http"
 
 	"gonum.org/v1/gonum/graph/simple"
-	"gonum.org/v1/gonum/graph/topo"
 
 	"go.opentelemetry.io/collector/component"
 )
@@ -33,40 +32,12 @@ type pipelinesGraph struct {
 }
 
 func (g *pipelinesGraph) StartAll(ctx context.Context, host component.Host) error {
-	nodes, err := topo.Sort(g.componentGraph)
-	if err != nil {
-		return err
-	}
-
-	// Start exporters first, and work towards receivers
-	for i := len(nodes) - 1; i >= 0; i-- {
-		comp, ok := nodes[i].(component.Component)
-		if !ok {
-			continue
-		}
-		if compErr := comp.Start(ctx, host); compErr != nil {
-			return compErr
-		}
-	}
+	// TODO actual implemenation
 	return nil
 }
 
 func (g *pipelinesGraph) ShutdownAll(ctx context.Context) error {
-	nodes, err := topo.Sort(g.componentGraph)
-	if err != nil {
-		return err
-	}
-
-	// Stop receivers first, and work towards exporters
-	for i := 0; i < len(nodes); i++ {
-		comp, ok := nodes[i].(component.Component)
-		if !ok {
-			continue
-		}
-		if compErr := comp.Shutdown(ctx); compErr != nil {
-			return compErr
-		}
-	}
+	// TODO actual implemenation
 	return nil
 }