replace zxq.co/ripple/hanayo

vendor/github.com/gin-gonic/contrib/cache/inmemory.go

@@ -0,0 +1,78 @@
+package cache
+
+import (
+	"github.com/robfig/go-cache"
+	"reflect"
+	"time"
+)
+
+type InMemoryStore struct {
+	cache.Cache
+}
+
+func NewInMemoryStore(defaultExpiration time.Duration) *InMemoryStore {
+	return &InMemoryStore{*cache.New(defaultExpiration, time.Minute)}
+}
+
+func (c *InMemoryStore) Get(key string, value interface{}) error {
+	val, found := c.Cache.Get(key)
+	if !found {
+		return ErrCacheMiss
+	}
+
+	v := reflect.ValueOf(value)
+	if v.Type().Kind() == reflect.Ptr && v.Elem().CanSet() {
+		v.Elem().Set(reflect.ValueOf(val))
+		return nil
+	}
+	return ErrNotStored
+}
+
+func (c *InMemoryStore) Set(key string, value interface{}, expires time.Duration) error {
+	// NOTE: go-cache understands the values of DEFAULT and FOREVER
+	c.Cache.Set(key, value, expires)
+	return nil
+}
+
+func (c *InMemoryStore) Add(key string, value interface{}, expires time.Duration) error {
+	err := c.Cache.Add(key, value, expires)
+	if err == cache.ErrKeyExists {
+		return ErrNotStored
+	}
+	return err
+}
+
+func (c *InMemoryStore) Replace(key string, value interface{}, expires time.Duration) error {
+	if err := c.Cache.Replace(key, value, expires); err != nil {
+		return ErrNotStored
+	}
+	return nil
+}
+
+func (c *InMemoryStore) Delete(key string) error {
+	if found := c.Cache.Delete(key); !found {
+		return ErrCacheMiss
+	}
+	return nil
+}
+
+func (c *InMemoryStore) Increment(key string, n uint64) (uint64, error) {
+	newValue, err := c.Cache.Increment(key, n)
+	if err == cache.ErrCacheMiss {
+		return 0, ErrCacheMiss
+	}
+	return newValue, err
+}
+
+func (c *InMemoryStore) Decrement(key string, n uint64) (uint64, error) {
+	newValue, err := c.Cache.Decrement(key, n)
+	if err == cache.ErrCacheMiss {
+		return 0, ErrCacheMiss
+	}
+	return newValue, err
+}
+
+func (c *InMemoryStore) Flush() error {
+	c.Cache.Flush()
+	return nil
+}