/*
Copyright The Kubernetes Authors.

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

    http://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 v1

import (
	context "context"
	time "time"

	apicorev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	runtime "k8s.io/apimachinery/pkg/runtime"
	schema "k8s.io/apimachinery/pkg/runtime/schema"
	watch "k8s.io/apimachinery/pkg/watch"
	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
	kubernetes "k8s.io/client-go/kubernetes"
	corev1 "k8s.io/client-go/listers/core/v1"
	cache "k8s.io/client-go/tools/cache"
)

// NamespaceInformer provides access to a shared informer and lister for
// Namespaces. Prefer using the type-safe variant (see [TypedNamespaceInformer]).
type NamespaceInformer interface {
	Informer() cache.SharedIndexInformer
	Lister() corev1.NamespaceLister
}

// TypedNamespaceInformer provides access to a shared informer and lister for
// Namespaces, including the type-safe TypedInformer variant.
// It is a superset of NamespaceInformer.
type TypedNamespaceInformer interface {
	Informer() cache.SharedIndexInformer
	TypedInformer() NamespaceIndexInformer
	Lister() corev1.NamespaceLister
}

// NamespaceIndexInformer is a wrapper around the underlying [cache.SharedIndexInformer]
// with type-safe variants of several methods.
type NamespaceIndexInformer cache.TypedSharedIndexInformer[*apicorev1.Namespace]

// NamespaceHandlerFuncs is a specialization of [cache.TypedResourceEventHandlerFuncs] for Namespace.
type NamespaceHandlerFuncs = cache.TypedResourceEventHandlerFuncs[*apicorev1.Namespace]

// NamespaceDetailedHandlerFuncs is a specialization of [cache.TypedResourceEventHandlerDetailedFuncs] for Namespace.
type NamespaceDetailedHandlerFuncs = cache.TypedResourceEventHandlerDetailedFuncs[*apicorev1.Namespace]

// NamespaceFilteringHandler is a specialization of [cache.TypedFilteringResourceEventHandler] for Namespace.
type NamespaceFilteringHandler = cache.TypedFilteringResourceEventHandler[*apicorev1.Namespace]

// NamespaceIndexers is a specialization of [cache.TypedIndexers] for Namespace.
type NamespaceIndexers = cache.TypedIndexers[*apicorev1.Namespace]

// DeletedNamespace is a specialization of [cache.DeletedObject] for Namespace.
type DeletedNamespace = cache.DeletedObject[*apicorev1.Namespace]

type namespaceInformer struct {
	factory          internalinterfaces.SharedInformerFactory
	tweakListOptions internalinterfaces.TweakListOptionsFunc
}

// NewNamespaceInformer constructs a new informer for Namespace type.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
// If you really need an independent one, prefer using the type-safe variant (see [NewTypedNamespaceInformer]).
func NewNamespaceInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
	return NewNamespaceInformerWithOptions(client, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers})
}

// NewTypedNamespaceInformer constructs a new informer for Namespace type.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
func NewTypedNamespaceInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers NamespaceIndexers) NamespaceIndexInformer {
	return NewTypedNamespaceInformerWithOptions(client, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: cache.TypedIndexersToIndexers(indexers)})
}

// NewFilteredNamespaceInformer constructs a new informer for Namespace type.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
// If you really need an independent one, prefer using the type-safe variant (see [NewTypedFilteredNamespaceInformer]).
func NewFilteredNamespaceInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
	return NewTypedNamespaceInformerWithOptions(client, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers, TweakListOptions: tweakListOptions})
}

// NewTypedFilteredNamespaceInformer constructs a new informer for Namespace type.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
func NewTypedFilteredNamespaceInformer(client kubernetes.Interface, resyncPeriod time.Duration, indexers NamespaceIndexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) NamespaceIndexInformer {
	return NewTypedNamespaceInformerWithOptions(client, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: cache.TypedIndexersToIndexers(indexers), TweakListOptions: tweakListOptions})
}

// NewNamespaceInformerWithOptions constructs a new informer for Namespace type with additional options.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
// If you really need an independent one, prefer using the type-safe variant (see [NewTypedNamespaceInformerWithOptions]).
func NewNamespaceInformerWithOptions(client kubernetes.Interface, options internalinterfaces.InformerOptions) cache.SharedIndexInformer {
	return NewTypedNamespaceInformerWithOptions(client, options)
}

// NewTypedNamespaceInformerWithOptions constructs a new informer for Namespace type with additional options.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
func NewTypedNamespaceInformerWithOptions(client kubernetes.Interface, options internalinterfaces.InformerOptions) NamespaceIndexInformer {
	gvr := schema.GroupVersionResource{Group: "", Version: "v1", Resource: "namespaces"}
	identifier := options.InformerName.WithResource(gvr)
	tweakListOptions := options.TweakListOptions
	return cache.NewTypedSharedIndexInformer[*apicorev1.Namespace](cache.NewSharedIndexInformerWithOptions(
		cache.ToListWatcherWithWatchListSemantics(&cache.ListWatch{
			ListFunc: func(opts metav1.ListOptions) (runtime.Object, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.CoreV1().Namespaces().List(context.Background(), opts)
			},
			WatchFunc: func(opts metav1.ListOptions) (watch.Interface, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.CoreV1().Namespaces().Watch(context.Background(), opts)
			},
			ListWithContextFunc: func(ctx context.Context, opts metav1.ListOptions) (runtime.Object, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.CoreV1().Namespaces().List(ctx, opts)
			},
			WatchFuncWithContext: func(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.CoreV1().Namespaces().Watch(ctx, opts)
			},
		}, client),
		&apicorev1.Namespace{},
		cache.SharedIndexInformerOptions{
			ResyncPeriod: options.ResyncPeriod,
			Indexers:     options.Indexers,
			Identifier:   identifier,
		},
	))
}

func (f *namespaceInformer) defaultInformer(client kubernetes.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
	return NewTypedNamespaceInformerWithOptions(client, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, InformerName: f.factory.InformerName(), TweakListOptions: f.tweakListOptions})
}

func (f *namespaceInformer) Informer() cache.SharedIndexInformer {
	return f.TypedInformer()
}

func (f *namespaceInformer) TypedInformer() NamespaceIndexInformer {
	return cache.NewTypedSharedIndexInformer[*apicorev1.Namespace](f.factory.InformerFor(&apicorev1.Namespace{}, f.defaultInformer))
}

func (f *namespaceInformer) Lister() corev1.NamespaceLister {
	return corev1.NewNamespaceLister(f.Informer().GetIndexer())
}

// ToTypedNamespaceInformer converts an untyped informer into a TypedNamespaceInformer.
//
// WARNING: this conversion is only safe if the informer handles objects of type
// *Namespace. If that is not the case, calling type-safe methods of the returned
// TypedNamespaceInformer leads to runtime panics. A safer alternative is to pass
// around a TypedNamespaceInformer instances that was obtained from a
// SharedInformerFactory.
func ToTypedNamespaceInformer(informer NamespaceInformer) TypedNamespaceInformer {
	if informer, ok := informer.(TypedNamespaceInformer); ok {
		return informer
	}
	return &namespaceTypedInformerAdapter{informer}
}

type namespaceTypedInformerAdapter struct {
	NamespaceInformer
}

func (a *namespaceTypedInformerAdapter) TypedInformer() NamespaceIndexInformer {
	return cache.NewTypedSharedIndexInformer[*apicorev1.Namespace](a.Informer())
}

// ToNamespaceIndexInformer converts an untyped informer into a NamespaceIndexInformer.
//
// WARNING: this conversion is only safe if the informer handles objects of type
// *Namespace. If that is not the case, calling type-safe methods of the returned
// NamespaceIndexInformer leads to runtime panics. A safer alternative is to pass
// around a NamespaceIndexInformer instances that was obtained from a
// SharedInformerFactory.
func ToNamespaceIndexInformer(informer cache.SharedIndexInformer) NamespaceIndexInformer {
	if informer, ok := informer.(NamespaceIndexInformer); ok {
		return informer
	}
	return cache.NewTypedSharedIndexInformer[*apicorev1.Namespace](informer)
}
