github.com/verrazzano/verrazzano-monitoring-operator@v0.0.30/pkg/client/informers/externalversions/generic.go (about)

     1  // Copyright (c) 2020, 2022, Oracle and/or its affiliates.
     2  // Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
     3  
     4  // Code generated by informer-gen. DO NOT EDIT.
     5  
     6  package externalversions
     7  
     8  import (
     9  	"fmt"
    10  
    11  	v1 "github.com/verrazzano/verrazzano-monitoring-operator/pkg/apis/vmcontroller/v1"
    12  	schema "k8s.io/apimachinery/pkg/runtime/schema"
    13  	cache "k8s.io/client-go/tools/cache"
    14  )
    15  
    16  // GenericInformer is type of SharedIndexInformer which will locate and delegate to other
    17  // sharedInformers based on type
    18  type GenericInformer interface {
    19  	Informer() cache.SharedIndexInformer
    20  	Lister() cache.GenericLister
    21  }
    22  
    23  type genericInformer struct {
    24  	informer cache.SharedIndexInformer
    25  	resource schema.GroupResource
    26  }
    27  
    28  // Informer returns the SharedIndexInformer.
    29  func (f *genericInformer) Informer() cache.SharedIndexInformer {
    30  	return f.informer
    31  }
    32  
    33  // Lister returns the GenericLister.
    34  func (f *genericInformer) Lister() cache.GenericLister {
    35  	return cache.NewGenericLister(f.Informer().GetIndexer(), f.resource)
    36  }
    37  
    38  // ForResource gives generic access to a shared informer of the matching type
    39  // TODO extend this to unknown resources with a client pool
    40  func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
    41  	switch resource {
    42  	// Group=verrazzano.io, Version=v1
    43  	case v1.SchemeGroupVersion.WithResource("verrazzanomonitoringinstances"):
    44  		return &genericInformer{resource: resource.GroupResource(), informer: f.Verrazzano().V1().VerrazzanoMonitoringInstances().Informer()}, nil
    45  
    46  	}
    47  
    48  	return nil, fmt.Errorf("no informer found for %v", resource)
    49  }