Restructure go-micro layout and plugins

store/memcached/memcached.go

@@ -0,0 +1,70 @@
+package memcached
+
+import (
+	"errors"
+
+	mc "github.com/bradfitz/gomemcache/memcache"
+	"github.com/myodc/go-micro/store"
+)
+
+type mstore struct {
+	Client *mc.Client
+}
+
+type item struct {
+	key   string
+	value []byte
+}
+
+func (i *item) Key() string {
+	return i.key
+}
+
+func (i *item) Value() []byte {
+	return i.value
+}
+
+func (m *mstore) Get(key string) (store.Item, error) {
+	kv, err := m.Client.Get(key)
+	if err != nil && err == mc.ErrCacheMiss {
+		return nil, errors.New("key not found")
+	} else if err != nil {
+		return nil, err
+	}
+
+	if kv == nil {
+		return nil, errors.New("key not found")
+	}
+
+	return &item{
+		key:   kv.Key,
+		value: kv.Value,
+	}, nil
+}
+
+func (m *mstore) Del(key string) error {
+	return m.Client.Delete(key)
+}
+
+func (m *mstore) Put(item store.Item) error {
+	return m.Client.Set(&mc.Item{
+		Key:   item.Key(),
+		Value: item.Value(),
+	})
+}
+
+func (m *mstore) NewItem(key string, value []byte) store.Item {
+	return &item{
+		key:   key,
+		value: value,
+	}
+}
+
+func NewStore(addrs []string, opts ...store.Option) store.Store {
+	if len(addrs) == 0 {
+		addrs = []string{"127.0.0.1:11211"}
+	}
+	return &mstore{
+		Client: mc.New(addrs...),
+	}
+}