cache

type Cache interface {
	// Cache acts as a client to objects stored in the cache.
	client.Reader

	// Cache loads informers and adds field indicies.
	Informers
}

type Informer interface {
	// AddEventHandler adds an event handler to the shared informer using the shared informer's resync
	// period.  Events to a single handler are delivered sequentially, but there is no coordination
	// between different handlers.
	AddEventHandler(handler toolscache.ResourceEventHandler)
	// AddEventHandlerWithResyncPeriod adds an event handler to the shared informer using the
	// specified resync period.  Events to a single handler are delivered sequentially, but there is
	// no coordination between different handlers.
	AddEventHandlerWithResyncPeriod(handler toolscache.ResourceEventHandler, resyncPeriod time.Duration)
	// AddIndexers adds more indexers to this store.  If you call this after you already have data
	// in the store, the results are undefined.
	AddIndexers(indexers toolscache.Indexers) error
	//HasSynced return true if the informers underlying store has synced
	HasSynced() bool
}

type Informers interface {
	// GetInformer fetches or constructs an informer for the given object that corresponds to a single
	// API kind and resource.
	GetInformer(obj runtime.Object) (Informer, error)

	// GetInformerForKind is similar to GetInformer, except that it takes a group-version-kind, instead
	// of the underlying object.
	GetInformerForKind(gvk schema.GroupVersionKind) (Informer, error)

	// Start runs all the informers known to this cache until the given channel is closed.
	// It blocks.
	Start(stopCh <-chan struct{}) error

	// WaitForCacheSync waits for all the caches to sync.  Returns false if it could not sync a cache.
	WaitForCacheSync(stop <-chan struct{}) bool

	// Informers knows how to add indicies to the caches (informers) that it manages.
	client.FieldIndexer
}

type NewCacheFunc func(config *rest.Config, opts Options) (Cache, error)

type Options struct {
	// Scheme is the scheme to use for mapping objects to GroupVersionKinds
	Scheme *runtime.Scheme

	// Mapper is the RESTMapper to use for mapping GroupVersionKinds to Resources
	Mapper meta.RESTMapper

	// Resync is the resync period. Defaults to defaultResyncTime.
	Resync *time.Duration

	// Namespace restricts the cache's ListWatch to the desired namespace
	// Default watches all namespaces
	Namespace string
}