41 lines
772 B
Go
41 lines
772 B
Go
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package cache
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import (
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"errors"
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"time"
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)
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func newInMemCache() Manager {
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return &inMemCache{make(map[string]inMemEntry)}
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}
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type inMemEntry struct {
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value string
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expiration time.Time
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}
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type inMemCache struct {
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entries map[string]inMemEntry
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}
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func (i *inMemCache) Set(key, value string, expiration time.Duration) error {
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i.entries[key] = inMemEntry{
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value: value,
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expiration: time.Now().Add(expiration),
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}
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return nil
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}
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func (i *inMemCache) Get(key string) (string, error) {
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if val, exists := i.entries[key]; exists {
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if val.expiration.Before(time.Now()) {
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delete(i.entries, key)
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} else {
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return val.value, nil
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}
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}
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return "", errors.New("no value for given key")
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}
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func (i *inMemCache) Remove(key string) {
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delete(i.entries, key)
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}
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