fix incorrect interface input parameter names (#1865)

Author: googs1025

pkg/epp/datastore/datastore.go

@@ -87,7 +87,7 @@ type datastore struct {
 	// poolAndObjectivesMu is used to synchronize access to pool and the objectives map.
 	poolAndObjectivesMu sync.RWMutex
 	pool                *v1.InferencePool
-	// key: InferenceObjective.Spec.ModelName, value: *InferenceObjective
+	// key: InferenceObjective name, value: *InferenceObjective
 	objectives map[string]*v1alpha2.InferenceObjective
 	// key: types.NamespacedName, value: backendmetrics.PodMetrics
 	pods *sync.Map

pkg/epp/requestcontrol/director.go

@@ -44,7 +44,7 @@ import (
 // Datastore defines the interface required by the Director.
 type Datastore interface {
 	PoolGet() (*v1.InferencePool, error)
-	ObjectiveGet(modelName string) *v1alpha2.InferenceObjective
+	ObjectiveGet(objectiveName string) *v1alpha2.InferenceObjective
 	PodList(predicate func(backendmetrics.PodMetrics) bool) []backendmetrics.PodMetrics
 }