Dummy cache implementation that doesn’t do anything.
Implements: ICache
Description
The NullCache class allows you to implement a dummy cache that doesn’t do anything.
Important points
- It can be used in testing or in situations where a cache is required but must be disabled.
Instance methods
Remove
Removes a value from the cache by its key.
(c *NullCache[T]) Remove(ctx context.Context, key string) error
- context: IContext - (optional) a context to trace execution through call chain.
- key: string - a unique value key.
Retrieve
Retrieves cached value from the cache using its key. If value is missing in the cache or expired, it returns null.
(c *NullCache[T]) Retrieve(ctx context.Context, key string) (T, error)
- context: IContext - (optional) a context to trace execution through call chain.
- key: string - a unique value key.
- returns: any - a cached value or null, if value wasn’t found or timeout expired.
Store
Stores value in the cache with expiration time.
(c *NullCache[T]) Store(ctx context.Context, key string, value T, timeout int64) (T, error)
- context: IContext - (optional) a context to trace execution through call chain.
- key: string - a unique value key.
- value: any - a value to store.
- timeout: int64 - expiration timeout in milliseconds.
- returns: any - a cached value stored in the cache.