keycache

Documentation

Index

• type Cache
  • func NewCache(readOnly col.ReadOnlyCollection, key string, defaultValue proto.Message) *Cache
  • func (c *Cache) Load() interface{}
  • func (c *Cache) Watch(ctx context.Context)

Types

type Cache

type Cache struct {
	// contains filtered or unexported fields
}

Cache watches a key in etcd and caches the value in an atomic value This is useful for frequently read but infrequently updated values

func NewCache

func NewCache(readOnly col.ReadOnlyCollection, key string, defaultValue proto.Message) *Cache

NewCache returns a cache for the given key in the etcd collection

func (*Cache) Load

func (c *Cache) Load() interface{}

Load retrieves the current cached value

func (*Cache) Watch

func (c *Cache) Watch(ctx context.Context)

Watch should be called in a goroutine to start the watcher