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36 lines
830 B
36 lines
830 B
package cache
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import (
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"sync"
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"time"
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uuid "github.com/satori/go.uuid"
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)
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// Item for caching
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type Item struct {
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Object interface{}
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Expiration int64
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}
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// Cache is a simple in-memory cache for storing things
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type Cache struct {
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*cache
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}
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type cache struct {
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defaultExpiration time.Duration
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items map[uuid.UUID]Item
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mu sync.RWMutex
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onEvicted func(uuid.UUID, interface{})
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janitor *janitor
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}
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const (
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// NoExpiration For use with functions that take an expiration time.
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NoExpiration time.Duration = -1
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// DefaultExpiration For use with functions that take an expiration time.
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// Equivalent to passing in the same expiration duration as was given to
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// New() or NewFrom() when the cache was created (e.g. 5 minutes.)
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DefaultExpiration time.Duration = time.Hour * 1
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)
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