events: add store implementation (#1957)

events/store/options.go

@@ -0,0 +1,28 @@
+package store
+
+import (
+	"time"
+
+	"github.com/micro/go-micro/v3/store"
+)
+
+type Options struct {
+	Store store.Store
+	TTL   time.Duration
+}
+
+type Option func(o *Options)
+
+// WithStore sets the underlying store to use
+func WithStore(s store.Store) Option {
+	return func(o *Options) {
+		o.Store = s
+	}
+}
+
+// WithTTL sets the default TTL
+func WithTTL(ttl time.Duration) Option {
+	return func(o *Options) {
+		o.TTL = ttl
+	}
+}