tcache

package

v0.3.1 Latest Latest Go to latest Published: Aug 21, 2021 License: Apache-2.0 Imports: 4 Imported by: 0

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Valid go.mod file
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Repository

github.com/u2takey/go-utils

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Documentation ¶

Index ¶

type Cache
- func NewCache(lifeTime, maxlifeTime uint64, maxEntries int, updateKeyFunc UpdateKeyFunc) *Cache
type UpdateKeyFunc

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Cache ¶

type Cache struct {
	// LifeTime is lifespan for all entries
	LifeTime uint64
	// if exceed MaxLifeTime will force update
	MaxLifeTime uint64
	MaxEntries  int

	sync.RWMutex
	// contains filtered or unexported fields
}

1. Keep entries available, trigger a update-key operation instead of purging entries out-of-date. 2. concurrent access safe 3. LRU

func NewCache ¶

func NewCache(lifeTime, maxlifeTime uint64, maxEntries int, updateKeyFunc UpdateKeyFunc) *Cache

NewCache creates a new Cache. auto flush cache to file if flushFile not "" and flushInterval > 0 for flush cache value must jsonable

func (*Cache) Add ¶

func (c *Cache) Add(key string, value interface{})

Add adds a value to the cache. Update born and state if exsit

func (*Cache) Get ¶

func (c *Cache) Get(key string) (interface{}, error)

Get looks up a key's value from the cache. if entry is nil will block util get value if entry is out of date will return old value and trigger an upate-key operation if needed

func (*Cache) Len ¶

func (c *Cache) Len() int

Len returns the number of items in the cache.

func (*Cache) Remove ¶

func (c *Cache) Remove(key string)

Remove removes the provided key from the cache.

type UpdateKeyFunc ¶

type UpdateKeyFunc func(key string) (value interface{}, err error)

Source Files ¶

View all Source files

cache.go

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