cachei

type CacheFunc func() (interface{}, error)

type Cacher interface {
	// Gets a cache value and instead of returning it, puts it into "out".
	// If no cache is found, the CacheFunc is called and put into cache.
	// It returns the CacheFunc error, and caching error
	OutSetFn(key string, expires int, out interface{}, cFunc CacheFunc) (funcErr error, cacheErr error)

	// Gets a cache value.
	// If no cache is found, the CacheFunc is called and put into cache.
	// It returns the CacheFunc error, and caching error
	GetSetFn(key string, expires int, cFunc CacheFunc) (ret interface{}, funcErr error, cacheErr error)

	Out(key string, out interface{}) (cacheErr error)
	Get(key string) (ret interface{}, cacheErr error)
	Set(key string, value interface{}, expires int) (cacheErr error)

	// Delete a key from the cache.
	// Returns a caching error.
	Delete(key string) (cacheErr error)

	Open() error
	Close() error
	Setup(DataSource) error
}

type Coder interface {
	Marshal(v interface{}) ([]byte, error)
	Unmarshal(data []byte, v interface{}) error
}

type DataSource struct {
	Host  string
	Port  int
	Coder Coder
}