factory.go

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

package internalversion

import (
	reflect "reflect"
	sync "sync"
	time "time"

	internalinterfaces "github.com/openshift/origin/pkg/template/generated/informers/internalversion/internalinterfaces"
	template "github.com/openshift/origin/pkg/template/generated/informers/internalversion/template"
	internalclientset "github.com/openshift/origin/pkg/template/generated/internalclientset"
	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	runtime "k8s.io/apimachinery/pkg/runtime"
	schema "k8s.io/apimachinery/pkg/runtime/schema"
	cache "k8s.io/client-go/tools/cache"
)

type sharedInformerFactory struct {
	client           internalclientset.Interface
	namespace        string
	tweakListOptions internalinterfaces.TweakListOptionsFunc
	lock             sync.Mutex
	defaultResync    time.Duration

	informers map[reflect.Type]cache.SharedIndexInformer
	// startedInformers is used for tracking which informers have been started.
	// This allows Start() to be called multiple times safely.
	startedInformers map[reflect.Type]bool
}

// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
func NewSharedInformerFactory(client internalclientset.Interface, defaultResync time.Duration) SharedInformerFactory {
	return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
}

// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
func NewFilteredSharedInformerFactory(client internalclientset.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
	return &sharedInformerFactory{
		client:           client,
		namespace:        namespace,
		tweakListOptions: tweakListOptions,
		defaultResync:    defaultResync,
		informers:        make(map[reflect.Type]cache.SharedIndexInformer),
		startedInformers: make(map[reflect.Type]bool),
	}
}

// Start initializes all requested informers.
func (f *sharedInformerFactory) Start(stopCh <-chan struct{}) {
	f.lock.Lock()
	defer f.lock.Unlock()

	for informerType, informer := range f.informers {
		if !f.startedInformers[informerType] {
			go informer.Run(stopCh)
			f.startedInformers[informerType] = true
		}
	}
}

// WaitForCacheSync waits for all started informers' cache were synced.
func (f *sharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool {
	informers := func() map[reflect.Type]cache.SharedIndexInformer {
		f.lock.Lock()
		defer f.lock.Unlock()

		informers := map[reflect.Type]cache.SharedIndexInformer{}
		for informerType, informer := range f.informers {
			if f.startedInformers[informerType] {
				informers[informerType] = informer
			}
		}
		return informers
	}()

	res := map[reflect.Type]bool{}
	for informType, informer := range informers {
		res[informType] = cache.WaitForCacheSync(stopCh, informer.HasSynced)
	}
	return res
}

// InternalInformerFor returns the SharedIndexInformer for obj using an internal
// client.
func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer {
	f.lock.Lock()
	defer f.lock.Unlock()

	informerType := reflect.TypeOf(obj)
	informer, exists := f.informers[informerType]
	if exists {
		return informer
	}
	informer = newFunc(f.client, f.defaultResync)
	f.informers[informerType] = informer

	return informer
}

// SharedInformerFactory provides shared informers for resources in all known
// API group versions.
type SharedInformerFactory interface {
	internalinterfaces.SharedInformerFactory
	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool

	Template() template.Interface
}

func (f *sharedInformerFactory) Template() template.Interface {
	return template.New(f, f.namespace, f.tweakListOptions)
}