mirror of https://github.com/go-redis/redis.git
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package redis
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import (
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"github.com/dgraph-io/ristretto"
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)
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// Cache structure
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type Cache struct {
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cache *ristretto.Cache
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}
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// NewCache creates a new Cache instance with the given configuration
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func NewCache(numKeys int64, memSize int64) (*Cache, error) {
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// Create a new cache with the given configuration
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config := &ristretto.Config{
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NumCounters: numKeys * 10, // number of keys to track frequency of (10x number of items to cache)
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MaxCost: memSize, // maximum cost of cache (in bytes)
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BufferItems: 64, // number of keys per Get buffer
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}
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cache, err := ristretto.NewCache(config)
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if err != nil {
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return nil, err
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}
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return &Cache{cache: cache}, nil
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}
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// Set adds a value to the cache
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func (c *Cache) Set(key, value interface{}, cost int64) bool {
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return c.cache.Set(key, value, cost)
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}
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// Get retrieves a value from the cache
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func (c *Cache) Get(key interface{}) (interface{}, bool) {
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return c.cache.Get(key)
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}
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// ClearKey clears a specific key from the cache
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func (c *Cache) ClearKey(key interface{}) {
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c.cache.Del(key)
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}
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// Clear clears the entire cache
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func (c *Cache) Clear() {
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c.cache.Clear()
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}
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