cache

package module

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Versions in this module

v0

v0.1.5

Mar 6, 2026

Changes in this version

+ func GetContext[T any](ctx context.Context, cache *Cache, key string) (T, bool, error)

+ func GetJSONContext[T any](ctx context.Context, cache *Cache, key string) (T, bool, error)

+ func PullContext[T any](ctx context.Context, cache *Cache, key string) (T, bool, error)

+ func RefreshAheadContext[T any](ctx context.Context, cache *Cache, key string, ttl, refreshAhead time.Duration, ...) (T, error)

+ func RememberContext[T any](ctx context.Context, cache *Cache, key string, ttl time.Duration, ...) (T, error)

+ func RememberStaleContext[T any](ctx context.Context, cache *Cache, key string, ttl, staleTTL time.Duration, ...) (T, bool, error)

+ func SetContext[T any](ctx context.Context, cache *Cache, key string, value T, ttl time.Duration) error

+ func SetJSONContext[T any](ctx context.Context, cache *Cache, key string, value T, ttl time.Duration) error

type Cache

+ func (c *Cache) AddContext(ctx context.Context, key string, value []byte, ttl time.Duration) (bool, error)

+ func (c *Cache) BatchGetBytesContext(ctx context.Context, keys ...string) (map[string][]byte, error)

+ func (c *Cache) BatchSetBytesContext(ctx context.Context, values map[string][]byte, ttl time.Duration) error

+ func (c *Cache) DecrementContext(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ func (c *Cache) DeleteContext(ctx context.Context, key string) error

+ func (c *Cache) DeleteManyContext(ctx context.Context, keys ...string) error

+ func (c *Cache) FlushContext(ctx context.Context) error

+ func (c *Cache) GetBytesContext(ctx context.Context, key string) ([]byte, bool, error)

+ func (c *Cache) GetStringContext(ctx context.Context, key string) (string, bool, error)

+ func (c *Cache) IncrementContext(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ func (c *Cache) LockContext(ctx context.Context, key string, ttl, retryInterval time.Duration) (bool, error)

+ func (c *Cache) PullBytesContext(ctx context.Context, key string) ([]byte, bool, error)

+ func (c *Cache) RateLimitContext(ctx context.Context, key string, limit int64, window time.Duration) (RateLimitStatus, error)

+ func (c *Cache) ReadyContext(ctx context.Context) error

+ func (c *Cache) RefreshAheadBytesContext(ctx context.Context, key string, ttl, refreshAhead time.Duration, ...) ([]byte, error)

+ func (c *Cache) RememberBytesContext(ctx context.Context, key string, ttl time.Duration, ...) ([]byte, error)

+ func (c *Cache) RememberStaleBytesContext(ctx context.Context, key string, ttl, staleTTL time.Duration, ...) ([]byte, bool, error)

+ func (c *Cache) SetBytesContext(ctx context.Context, key string, value []byte, ttl time.Duration) error

+ func (c *Cache) SetStringContext(ctx context.Context, key string, value string, ttl time.Duration) error

+ func (c *Cache) TryLockContext(ctx context.Context, key string, ttl time.Duration) (bool, error)

+ func (c *Cache) UnlockContext(ctx context.Context, key string) error

type CoreAPI

+ ReadyContext func(ctx context.Context) error

type CounterAPI

+ DecrementContext func(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ IncrementContext func(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

type LockAPI

+ LockContext func(ctx context.Context, key string, ttl, retryInterval time.Duration) (bool, error)

+ TryLockContext func(ctx context.Context, key string, ttl time.Duration) (bool, error)

+ UnlockContext func(ctx context.Context, key string) error

type LockHandle

+ func (l *LockHandle) AcquireContext(ctx context.Context) (bool, error)

+ func (l *LockHandle) BlockContext(ctx context.Context, retryInterval time.Duration, ...) (bool, error)

+ func (l *LockHandle) GetContext(ctx context.Context, fn func(context.Context) error) (bool, error)

+ func (l *LockHandle) ReleaseContext(ctx context.Context) error

type RateLimitAPI

+ RateLimitContext func(ctx context.Context, key string, limit int64, window time.Duration) (RateLimitStatus, error)

type ReadAPI

+ BatchGetBytesContext func(ctx context.Context, keys ...string) (map[string][]byte, error)

+ GetBytesContext func(ctx context.Context, key string) ([]byte, bool, error)

+ GetStringContext func(ctx context.Context, key string) (string, bool, error)

+ PullBytesContext func(ctx context.Context, key string) ([]byte, bool, error)

type RefreshAheadAPI

+ RefreshAheadBytesContext func(ctx context.Context, key string, ttl, refreshAhead time.Duration, ...) ([]byte, error)

type RememberAPI

+ RememberBytesContext func(ctx context.Context, key string, ttl time.Duration, ...) ([]byte, error)

+ RememberStaleBytesContext func(ctx context.Context, key string, ttl, staleTTL time.Duration, ...) ([]byte, bool, error)

type WriteAPI

+ AddContext func(ctx context.Context, key string, value []byte, ttl time.Duration) (bool, error)

+ BatchSetBytesContext func(ctx context.Context, values map[string][]byte, ttl time.Duration) error

+ DeleteContext func(ctx context.Context, key string) error

+ DeleteManyContext func(ctx context.Context, keys ...string) error

+ FlushContext func(ctx context.Context) error

+ SetBytesContext func(ctx context.Context, key string, value []byte, ttl time.Duration) error

+ SetStringContext func(ctx context.Context, key string, value string, ttl time.Duration) error

v0.1.4

Mar 1, 2026

Changes in this version

type Cache

+ func (c *Cache) Ready() error

+ func (c *Cache) ReadyCtx(ctx context.Context) error

type CoreAPI

+ Ready func() error

+ ReadyCtx func(ctx context.Context) error

v0.1.3

Feb 26, 2026

v0.1.2

Feb 25, 2026

v0.1.1

Feb 25, 2026

v0.1.0

Feb 23, 2026

Changes in this version

+ const CompressionGzip

+ const CompressionNone

+ const CompressionSnappy

+ var ErrCorruptCompression = errors.New("cache: corrupt compressed payload")

+ var ErrDecryptFailed = errors.New("cache: decrypt failed")

+ var ErrEncryptValueTooBig = errors.New("cache: encrypt value too large")

+ var ErrEncryptionKey = errors.New("cache: encryption key must be 16, 24, or 32 bytes")

+ var ErrUnsupportedCodec = errors.New("cache: unsupported compression codec")

+ var ErrValueTooLarge = errors.New("cache: value exceeds max size")

+ func GetCtx[T any](ctx context.Context, cache *Cache, key string) (T, bool, error)

+ func GetJSONCtx[T any](ctx context.Context, cache *Cache, key string) (T, bool, error)

+ func GetJSON[T any](cache *Cache, key string) (T, bool, error)

+ func Get[T any](cache *Cache, key string) (T, bool, error)

+ func NewFileStore(ctx context.Context, dir string) cachecore.Store

+ func NewFileStoreWithConfig(ctx context.Context, cfg StoreConfig) cachecore.Store

+ func NewMemoStore(store cachecore.Store) cachecore.Store

+ func NewMemoryStore(ctx context.Context) cachecore.Store

+ func NewMemoryStoreWithConfig(ctx context.Context, cfg StoreConfig) cachecore.Store

+ func NewNullStore(ctx context.Context) cachecore.Store

+ func NewNullStoreWithConfig(ctx context.Context, cfg StoreConfig) cachecore.Store

+ func PullCtx[T any](ctx context.Context, cache *Cache, key string) (T, bool, error)

+ func Pull[T any](cache *Cache, key string) (T, bool, error)

+ func RefreshAheadCtx[T any](ctx context.Context, cache *Cache, key string, ttl, refreshAhead time.Duration, ...) (T, error)

+ func RefreshAheadValueWithCodec[T any](ctx context.Context, cache *Cache, key string, ttl, refreshAhead time.Duration, ...) (T, error)

+ func RefreshAhead[T any](cache *Cache, key string, ttl, refreshAhead time.Duration, ...) (T, error)

+ func RememberCtx[T any](ctx context.Context, cache *Cache, key string, ttl time.Duration, ...) (T, error)

+ func RememberStaleCtx[T any](ctx context.Context, cache *Cache, key string, ttl, staleTTL time.Duration, ...) (T, bool, error)

+ func RememberStale[T any](cache *Cache, key string, ttl, staleTTL time.Duration, fn func() (T, error)) (T, bool, error)

+ func Remember[T any](cache *Cache, key string, ttl time.Duration, fn func() (T, error)) (T, error)

+ func SetCtx[T any](ctx context.Context, cache *Cache, key string, value T, ttl time.Duration) error

+ func SetJSONCtx[T any](ctx context.Context, cache *Cache, key string, value T, ttl time.Duration) error

+ func SetJSON[T any](cache *Cache, key string, value T, ttl time.Duration) error

+ func Set[T any](cache *Cache, key string, value T, ttl time.Duration) error

+ type Cache struct

+ func NewCache(store cachecore.Store) *Cache

+ func NewCacheWithTTL(store cachecore.Store, defaultTTL time.Duration) *Cache

+ func (c *Cache) Add(key string, value []byte, ttl time.Duration) (bool, error)

+ func (c *Cache) AddCtx(ctx context.Context, key string, value []byte, ttl time.Duration) (bool, error)

+ func (c *Cache) BatchGetBytes(keys ...string) (map[string][]byte, error)

+ func (c *Cache) BatchGetBytesCtx(ctx context.Context, keys ...string) (map[string][]byte, error)

+ func (c *Cache) BatchSetBytes(values map[string][]byte, ttl time.Duration) error

+ func (c *Cache) BatchSetBytesCtx(ctx context.Context, values map[string][]byte, ttl time.Duration) error

+ func (c *Cache) Decrement(key string, delta int64, ttl time.Duration) (int64, error)

+ func (c *Cache) DecrementCtx(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ func (c *Cache) Delete(key string) error

+ func (c *Cache) DeleteCtx(ctx context.Context, key string) error

+ func (c *Cache) DeleteMany(keys ...string) error

+ func (c *Cache) DeleteManyCtx(ctx context.Context, keys ...string) error

+ func (c *Cache) Driver() cachecore.Driver

+ func (c *Cache) Flush() error

+ func (c *Cache) FlushCtx(ctx context.Context) error

+ func (c *Cache) GetBytes(key string) ([]byte, bool, error)

+ func (c *Cache) GetBytesCtx(ctx context.Context, key string) ([]byte, bool, error)

+ func (c *Cache) GetString(key string) (string, bool, error)

+ func (c *Cache) GetStringCtx(ctx context.Context, key string) (string, bool, error)

+ func (c *Cache) Increment(key string, delta int64, ttl time.Duration) (int64, error)

+ func (c *Cache) IncrementCtx(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ func (c *Cache) Lock(key string, ttl, timeout time.Duration) (bool, error)

+ func (c *Cache) LockCtx(ctx context.Context, key string, ttl, retryInterval time.Duration) (bool, error)

+ func (c *Cache) NewLockHandle(key string, ttl time.Duration) *LockHandle

+ func (c *Cache) PullBytes(key string) ([]byte, bool, error)

+ func (c *Cache) PullBytesCtx(ctx context.Context, key string) ([]byte, bool, error)

+ func (c *Cache) RateLimit(key string, limit int64, window time.Duration) (RateLimitStatus, error)

+ func (c *Cache) RateLimitCtx(ctx context.Context, key string, limit int64, window time.Duration) (RateLimitStatus, error)

+ func (c *Cache) RefreshAheadBytes(key string, ttl, refreshAhead time.Duration, fn func() ([]byte, error)) ([]byte, error)

+ func (c *Cache) RefreshAheadBytesCtx(ctx context.Context, key string, ttl, refreshAhead time.Duration, ...) ([]byte, error)

+ func (c *Cache) RememberBytes(key string, ttl time.Duration, fn func() ([]byte, error)) ([]byte, error)

+ func (c *Cache) RememberBytesCtx(ctx context.Context, key string, ttl time.Duration, ...) ([]byte, error)

+ func (c *Cache) RememberStaleBytes(key string, ttl, staleTTL time.Duration, fn func() ([]byte, error)) ([]byte, bool, error)

+ func (c *Cache) RememberStaleBytesCtx(ctx context.Context, key string, ttl, staleTTL time.Duration, ...) ([]byte, bool, error)

+ func (c *Cache) SetBytes(key string, value []byte, ttl time.Duration) error

+ func (c *Cache) SetBytesCtx(ctx context.Context, key string, value []byte, ttl time.Duration) error

+ func (c *Cache) SetString(key string, value string, ttl time.Duration) error

+ func (c *Cache) SetStringCtx(ctx context.Context, key string, value string, ttl time.Duration) error

+ func (c *Cache) Store() cachecore.Store

+ func (c *Cache) TryLock(key string, ttl time.Duration) (bool, error)

+ func (c *Cache) TryLockCtx(ctx context.Context, key string, ttl time.Duration) (bool, error)

+ func (c *Cache) Unlock(key string) error

+ func (c *Cache) UnlockCtx(ctx context.Context, key string) error

+ func (c *Cache) WithObserver(o Observer) *Cache

+ type CacheAPI interface

+ type CompressionCodec = cachecore.CompressionCodec

+ type CoreAPI interface

+ Driver func() cachecore.Driver

+ type CounterAPI interface

+ Decrement func(key string, delta int64, ttl time.Duration) (int64, error)

+ DecrementCtx func(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ Increment func(key string, delta int64, ttl time.Duration) (int64, error)

+ IncrementCtx func(ctx context.Context, key string, delta int64, ttl time.Duration) (int64, error)

+ type LockAPI interface

+ Lock func(key string, ttl, timeout time.Duration) (bool, error)

+ LockCtx func(ctx context.Context, key string, ttl, retryInterval time.Duration) (bool, error)

+ TryLock func(key string, ttl time.Duration) (bool, error)

+ TryLockCtx func(ctx context.Context, key string, ttl time.Duration) (bool, error)

+ Unlock func(key string) error

+ UnlockCtx func(ctx context.Context, key string) error

+ type LockHandle struct

+ func (l *LockHandle) Acquire() (bool, error)

+ func (l *LockHandle) AcquireCtx(ctx context.Context) (bool, error)

+ func (l *LockHandle) Block(timeout, retryInterval time.Duration, fn func() error) (bool, error)

+ func (l *LockHandle) BlockCtx(ctx context.Context, retryInterval time.Duration, ...) (bool, error)

+ func (l *LockHandle) Get(fn func() error) (bool, error)

+ func (l *LockHandle) GetCtx(ctx context.Context, fn func(context.Context) error) (bool, error)

+ func (l *LockHandle) Release() error

+ func (l *LockHandle) ReleaseCtx(ctx context.Context) error

+ type Observer interface

+ OnCacheOp func(ctx context.Context, op string, key string, hit bool, err error, ...)

+ type ObserverFunc func(ctx context.Context, op string, key string, hit bool, err error, ...)

+ func (f ObserverFunc) OnCacheOp(ctx context.Context, op string, key string, hit bool, err error, ...)

+ type RateLimitAPI interface

+ RateLimit func(key string, limit int64, window time.Duration) (RateLimitStatus, error)

+ RateLimitCtx func(ctx context.Context, key string, limit int64, window time.Duration) (RateLimitStatus, error)

+ type RateLimitStatus struct

+ Allowed bool

+ Count int64

+ Remaining int64

+ ResetAt time.Time

+ type ReadAPI interface

+ BatchGetBytes func(keys ...string) (map[string][]byte, error)

+ BatchGetBytesCtx func(ctx context.Context, keys ...string) (map[string][]byte, error)

+ GetBytes func(key string) ([]byte, bool, error)

+ GetBytesCtx func(ctx context.Context, key string) ([]byte, bool, error)

+ GetString func(key string) (string, bool, error)

+ GetStringCtx func(ctx context.Context, key string) (string, bool, error)

+ PullBytes func(key string) ([]byte, bool, error)

+ PullBytesCtx func(ctx context.Context, key string) ([]byte, bool, error)

+ type RefreshAheadAPI interface

+ RefreshAheadBytes func(key string, ttl, refreshAhead time.Duration, fn func() ([]byte, error)) ([]byte, error)

+ RefreshAheadBytesCtx func(ctx context.Context, key string, ttl, refreshAhead time.Duration, ...) ([]byte, error)

+ type RememberAPI interface

+ RememberBytes func(key string, ttl time.Duration, fn func() ([]byte, error)) ([]byte, error)

+ RememberBytesCtx func(ctx context.Context, key string, ttl time.Duration, ...) ([]byte, error)

+ RememberStaleBytes func(key string, ttl, staleTTL time.Duration, fn func() ([]byte, error)) ([]byte, bool, error)

+ RememberStaleBytesCtx func(ctx context.Context, key string, ttl, staleTTL time.Duration, ...) ([]byte, bool, error)

+ type StoreConfig struct

+ FileDir string

+ MemoryCleanupInterval time.Duration

+ type ValueCodec struct

+ Decode func([]byte) (T, error)

+ Encode func(T) ([]byte, error)

+ type WriteAPI interface

+ Add func(key string, value []byte, ttl time.Duration) (bool, error)

+ AddCtx func(ctx context.Context, key string, value []byte, ttl time.Duration) (bool, error)

+ BatchSetBytes func(values map[string][]byte, ttl time.Duration) error

+ BatchSetBytesCtx func(ctx context.Context, values map[string][]byte, ttl time.Duration) error

+ Delete func(key string) error

+ DeleteCtx func(ctx context.Context, key string) error

+ DeleteMany func(keys ...string) error

+ DeleteManyCtx func(ctx context.Context, keys ...string) error

+ Flush func() error

+ FlushCtx func(ctx context.Context) error

+ SetBytes func(key string, value []byte, ttl time.Duration) error

+ SetBytesCtx func(ctx context.Context, key string, value []byte, ttl time.Duration) error

+ SetString func(key string, value string, ttl time.Duration) error

+ SetStringCtx func(ctx context.Context, key string, value string, ttl time.Duration) error

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