/
memcache.go
51 lines (41 loc) · 1.15 KB
/
memcache.go
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package hfae
import (
"reflect"
"golang.org/x/net/context"
"google.golang.org/appengine/datastore"
"google.golang.org/appengine/memcache"
)
type cache struct {
Codec memcache.Codec
}
func (mc *cache) Delete(ctx context.Context, key *datastore.Key) error {
return memcache.Delete(ctx, key.Encode())
}
func (mc *cache) DeleteMulti(ctx context.Context, keys []*datastore.Key) error {
simpleKeys := make([]string, len(keys))
for i, key := range keys {
simpleKeys[i] = key.Encode()
}
return memcache.DeleteMulti(ctx, simpleKeys)
}
func (mc *cache) Get(ctx context.Context, key *datastore.Key, dst interface{}) error {
_, err := mc.Codec.Get(ctx, key.Encode(), dst)
return err
}
func (mc *cache) Set(ctx context.Context, key *datastore.Key, dst interface{}) error {
return mc.Codec.Set(ctx, &memcache.Item{
Key: key.Encode(),
Object: dst,
})
}
func (mc *cache) SetMulti(ctx context.Context, keys []*datastore.Key, dst interface{}) error {
value := reflect.ValueOf(dst)
if value.Kind() == reflect.Ptr {
value = value.Elem()
}
for i := 0; i < value.Len(); i++ {
item := value.Index(i)
mc.Set(ctx, keys[i], item.Interface())
}
return nil
}