gosora/common/cache.go

41 lines
1.3 KiB
Go

package common
import "errors"
// Go away, linter. We need to differentiate constants from variables somehow ;)
// nolint
const CACHE_STATIC int = 0
const CACHE_DYNAMIC int = 1
const CACHE_SQL int = 2
// nolint
// ErrCacheDesync is thrown whenever a piece of data, for instance, a user is out of sync with the database. Currently unused.
var ErrCacheDesync = errors.New("The cache is out of sync with the database.") // TODO: A cross-server synchronisation mechanism
// ErrStoreCapacityOverflow is thrown whenever a datastore reaches it's maximum hard capacity. I'm not sure if this error is actually used. It might be, we should check
var ErrStoreCapacityOverflow = errors.New("This datastore has reached it's maximum capacity.") // nolint
// nolint
type DataStore interface {
DirtyGet(id int) interface{}
Get(id int) (interface{}, error)
BypassGet(id int) (interface{}, error)
//GlobalCount()
}
// nolint
type DataCache interface {
CacheGet(id int) (interface{}, error)
CacheGetUnsafe(id int) (interface{}, error)
CacheSet(item interface{}) error
CacheAdd(item interface{}) error
CacheAddUnsafe(item interface{}) error
CacheRemove(id int) error
CacheRemoveUnsafe(id int) error
Reload(id int) error
Flush()
Length() int
SetCapacity(capacity int)
GetCapacity() int
}