1 files changed, 18 insertions, 0 deletions
diff --git a/weed/storage/volume_id.go b/weed/storage/volume_id.go
new file mode 100644
index 000000000..0333c6cf0
--- /dev/null
+++ b/weed/storage/volume_id.go
@@ -0,0 +1,18 @@
+package storage
+
+import (
+	"strconv"
+)
+
+type VolumeId uint32
+
+func NewVolumeId(vid string) (VolumeId, error) {
+	volumeId, err := strconv.ParseUint(vid, 10, 64)
+	return VolumeId(volumeId), err
+}
+func (vid *VolumeId) String() string {
+	return strconv.FormatUint(uint64(*vid), 10)
+}
+func (vid *VolumeId) Next() VolumeId {
+	return VolumeId(uint32(*vid) + 1)
+}