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memcached.go
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memcached.go
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package store
import (
"fmt"
"time"
memcached "github.com/bradfitz/gomemcache/memcache"
)
type MemcachedStore struct {
Cache *memcached.Client
Prefix string
}
func NewMemcachedStore(hosts string, prefix string) *MemcachedStore {
cache := memcached.New(hosts)
cache.Timeout = 3 * time.Second
return &MemcachedStore{
Cache: cache,
Prefix: prefix,
}
}
func (m *MemcachedStore) Ping() error {
return m.Cache.Ping()
}
func (m *MemcachedStore) Get(key string) (string, error) {
if err := m.Ping(); err != nil {
return "", err
}
item, err := m.Cache.Get(fmt.Sprintf("%s_%s", m.Prefix, key))
if err != nil {
return "", err
}
return string(item.Value), nil
}
func (m *MemcachedStore) Set(key string, value string) error {
if err := m.Ping(); err != nil {
return err
}
item := &memcached.Item{
Key: fmt.Sprintf("%s_%s", m.Prefix, key),
Value: []byte(value),
}
return m.Cache.Set(item)
}