Initial distributor implementation

appengine/cmd/dm/distributor/impl/swarmingV1/distributor.go

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package swarmingV1
+
+import (
+        "github.com/golang/protobuf/proto"
+        "github.com/luci/luci-go/appengine/cmd/dm/distributor"
+        sv1 "github.com/luci/luci-go/appengine/cmd/dm/distributor/protos/swarmingV1"
+)
+
+func factory(cfg *sv1.Config) (distributor.Interface, error) {
+        panic("swarmingV1.factory not implemented")
+}
+
+// Register registers this distributor implementation with the distributor
+// package registry.
+func Register(reg distributor.Registry) {
+        reg.Register(&sv1.Config{}, func(msg proto.Message) (distributor.Interface, error) {
+                return factory(msg.(*sv1.Config))
+        })
+}