cache

package

v1.41.0 Latest Latest Go to latest Published: Apr 28, 2026 License: MIT Imports: 5 Imported by: 0

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Valid go.mod file
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Repository

github.com/hanzoai/commerce

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Documentation ¶

Overview ¶

Package cache (memcache.go) provides a caching abstraction layer that can work with different backends (in-memory, Redis, etc.) to replace appengine/memcache.

Index ¶

Variables
func IncrementExisting(ctx context.Context, key string, delta int64) (int64, error)
func MemDelete(ctx context.Context, key string) error
func MemGet(ctx context.Context, key string, dst interface{}) error
func MemSet(ctx context.Context, item *Item) error
func Set(ctx context.Context, item *Item) error
type CacheError
- func (e CacheError) Error() string
type Item
- func Get(ctx context.Context, key string) (*Item, error)
type Memoized
- func Memoize(fn interface{}, args ...interface{}) Memoized
- func Once(fn interface{}) Memoized
type MemoryCache
- func NewMemoryCache() *MemoryCache

Constants ¶

This section is empty.

Variables ¶

View Source

var Gob = &gobCodec{}

Gob provides Gob codec for cache operations (compatible with memcache.Gob) For simplicity, we use JSON internally

View Source

var JSON = &jsonCodec{}

JSON provides JSON codec for cache operations (compatible with memcache.JSON)

Functions ¶

func IncrementExisting ¶

func IncrementExisting(ctx context.Context, key string, delta int64) (int64, error)

IncrementExisting increments an existing counter in the default cache

func MemDelete ¶

func MemDelete(ctx context.Context, key string) error

MemDelete removes an item from the default cache

func MemGet ¶

func MemGet(ctx context.Context, key string, dst interface{}) error

MemGet retrieves an item from the default cache

func MemSet ¶

func MemSet(ctx context.Context, item *Item) error

MemSet stores an item in the default cache

func Set ¶

func Set(ctx context.Context, item *Item) error

Set stores an item in the default cache (memcache-compatible API)

Types ¶

type CacheError ¶

type CacheError string

Error types

const (
	ErrCacheMiss CacheError = "cache: miss"
)

func (CacheError) Error ¶

func (e CacheError) Error() string

type Item ¶

type Item struct {
	Key        string
	Value      []byte
	Object     interface{}
	Expiration time.Duration
}

Item represents a cache item

func Get ¶

func Get(ctx context.Context, key string) (*Item, error)

Get retrieves an item from the default cache (memcache-compatible API)

type Memoized ¶

type Memoized func(args ...interface{}) interface{}

func Memoize ¶

func Memoize(fn interface{}, args ...interface{}) Memoized

Cache result of fn, optionally expiring result.

func Once ¶

func Once(fn interface{}) Memoized

type MemoryCache ¶

type MemoryCache struct {
	// contains filtered or unexported fields
}

MemoryCache is an in-memory cache implementation

func NewMemoryCache ¶

func NewMemoryCache() *MemoryCache

NewMemoryCache creates a new in-memory cache

func (*MemoryCache) Delete ¶

func (c *MemoryCache) Delete(ctx context.Context, key string) error

Delete removes an item from the cache

func (*MemoryCache) Get ¶

func (c *MemoryCache) Get(ctx context.Context, key string, dst interface{}) error

Get retrieves an item from the cache

func (*MemoryCache) IncrementExisting ¶

func (c *MemoryCache) IncrementExisting(ctx context.Context, key string, delta int64) (int64, error)

IncrementExisting increments an existing counter

func (*MemoryCache) Set ¶

func (c *MemoryCache) Set(ctx context.Context, item *Item) error

Set stores an item in the cache

Source Files ¶

View all Source files

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