infrastructures.CreateRistrettoCache - Code Metrics - Inspection of ":page_facing_up: Update Licence" - memnix/memnix-rest - Measure and Improve Code Quality continuously with Scrutinizer

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by Yume

created 2024-02-20 12:07 UTC

infrastructures.CreateRistrettoCache A

↳ Parent: infrastructures/ristretto.go

Complexity

Conditions

Size

Total Lines	11
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	9
nop	0
dl	0
loc	11
rs	9.95
c	0
b	0
f	0

package infrastructures

import (
	"sync"

	"github.com/dgraph-io/ristretto"
	"github.com/memnix/memnix-rest/config"
)

// CacheSingleton is the singleton for the ristretto cache.
type CacheSingleton struct {
	cache *ristretto.Cache
}

var (
	cacheInstance *CacheSingleton //nolint:gochecknoglobals //Singleton
	cacheOnce     sync.Once       //nolint:gochecknoglobals //Singleton
)

// GetCacheInstance gets the cache instance.
func GetCacheInstance() *CacheSingleton {
	cacheOnce.Do(func() {
		cacheInstance = &CacheSingleton{}
	})
	return cacheInstance
}

// CreateRistrettoCache creates a new ristretto cache.
func (c *CacheSingleton) CreateRistrettoCache() error {
	var err error
	if c.cache, err = ristretto.NewCache(&ristretto.Config{
		NumCounters: config.RistrettoNumCounters, // number of keys to track frequency of (10M).
		MaxCost:     config.RistrettoMaxCost,     // maximum cost of cache (1GB).
		BufferItems: config.RistrettoBufferItems, // number of keys per Get buffer.
	}); err != nil {
		return err
	}

	return nil
}

// GetRistrettoCache gets the ristretto cache.
func (c *CacheSingleton) GetRistrettoCache() *ristretto.Cache {
	return c.cache
}

// GetRistrettoCache gets the ristretto cache.
func GetRistrettoCache() *ristretto.Cache {
	return GetCacheInstance().GetRistrettoCache()
}


1			package infrastructures
2
3			import (
4			"sync"
5
6			"github.com/dgraph-io/ristretto"
7			"github.com/memnix/memnix-rest/config"
8			)
9
10			// CacheSingleton is the singleton for the ristretto cache.
11			type CacheSingleton struct {
12			cache *ristretto.Cache
13			}
14
15			var (
16			cacheInstance *CacheSingleton //nolint:gochecknoglobals //Singleton
17			cacheOnce sync.Once //nolint:gochecknoglobals //Singleton
18			)
19
20			// GetCacheInstance gets the cache instance.
21			func GetCacheInstance() *CacheSingleton {
22			cacheOnce.Do(func() {
23			cacheInstance = &CacheSingleton{}
24			})
25			return cacheInstance
26			}
27
28			// CreateRistrettoCache creates a new ristretto cache.
29			func (c *CacheSingleton) CreateRistrettoCache() error {
30			var err error
31			if c.cache, err = ristretto.NewCache(&ristretto.Config{
32			NumCounters: config.RistrettoNumCounters, // number of keys to track frequency of (10M).
33			MaxCost: config.RistrettoMaxCost, // maximum cost of cache (1GB).
34			BufferItems: config.RistrettoBufferItems, // number of keys per Get buffer.
35			}); err != nil {
36			return err
37			}
38
39			return nil
40			}
41
42			// GetRistrettoCache gets the ristretto cache.
43			func (c CacheSingleton) GetRistrettoCache() ristretto.Cache {
44			return c.cache
45			}
46
47			// GetRistrettoCache gets the ristretto cache.
48			func GetRistrettoCache() *ristretto.Cache {
49			return GetCacheInstance().GetRistrettoCache()
50			}
51

memnix / memnix-rest

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infrastructures.CreateRistrettoCache A

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