pkg/client/informers/externalversions/generic.go

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     https://www.apache.org/licenses/LICENSE-2.0
*
*     Unless required by applicable law or agreed to in writing, software
*     distributed under the License is distributed on an "AS IS" BASIS,
*     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*     See the License for the specific language governing permissions and
*     limitations under the License.
 */

// Code generated by informer-gen. DO NOT EDIT.

package externalversions

import (
	"fmt"

	v1 "github.com/GoogleCloudPlatform/gke-gateway-api/apis/networking/v1"
	schema "k8s.io/apimachinery/pkg/runtime/schema"
	cache "k8s.io/client-go/tools/cache"
)

// GenericInformer is type of SharedIndexInformer which will locate and delegate to other
// sharedInformers based on type
type GenericInformer interface {
	Informer() cache.SharedIndexInformer
	Lister() cache.GenericLister
}

type genericInformer struct {
	informer cache.SharedIndexInformer
	resource schema.GroupResource
}

// Informer returns the SharedIndexInformer.
func (f *genericInformer) Informer() cache.SharedIndexInformer {
	return f.informer
}

// Lister returns the GenericLister.
func (f *genericInformer) Lister() cache.GenericLister {
	return cache.NewGenericLister(f.Informer().GetIndexer(), f.resource)
}

// ForResource gives generic access to a shared informer of the matching type
// TODO extend this to unknown resources with a client pool
func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
	switch resource {
	// Group=networking.gke.io, Version=v1
	case v1.SchemeGroupVersion.WithResource("gcpbackendpolicies"):
		return &genericInformer{resource: resource.GroupResource(), informer: f.Networking().V1().GCPBackendPolicies().Informer()}, nil
	case v1.SchemeGroupVersion.WithResource("gcpgatewaypolicies"):
		return &genericInformer{resource: resource.GroupResource(), informer: f.Networking().V1().GCPGatewayPolicies().Informer()}, nil
	case v1.SchemeGroupVersion.WithResource("gcpsessionaffinityfilters"):
		return &genericInformer{resource: resource.GroupResource(), informer: f.Networking().V1().GCPSessionAffinityFilters().Informer()}, nil
	case v1.SchemeGroupVersion.WithResource("gcpsessionaffinitypolicies"):
		return &genericInformer{resource: resource.GroupResource(), informer: f.Networking().V1().GCPSessionAffinityPolicies().Informer()}, nil
	case v1.SchemeGroupVersion.WithResource("healthcheckpolicies"):
		return &genericInformer{resource: resource.GroupResource(), informer: f.Networking().V1().HealthCheckPolicies().Informer()}, nil

	}

	return nil, fmt.Errorf("no informer found for %v", resource)
}