// Get implements Cache.
func (cache *Cache) Get(key string, params imageserver.Params) (*imageserver.Image, error) {
data, err := cache.getData(key)
if err != nil {
return nil, err
}
if data == nil {
return nil, nil
}
im := new(imageserver.Image)
err = im.UnmarshalBinaryNoCopy(data)
if err != nil {
return nil, err
}
return im, nil
}
// Get implements Server.
func (srv *Server) Get(params imageserver.Params) (*imageserver.Image, error) {
ctx := &Context{
Params: params,
}
key := srv.KeyGenerator.GetKey(params)
var data []byte
dest := groupcache.AllocatingByteSliceSink(&data)
err := srv.Group.Get(ctx, key, dest)
if err != nil {
return nil, err
}
im := new(imageserver.Image)
err = im.UnmarshalBinaryNoCopy(data)
if err != nil {
return nil, err
}
return im, nil
}