Make shard Enumerate use new blobserver.MergedEnumerated; not yet implemented.

Will need for replica target too.

lib/go/camli/blobserver/mergedenum.go

@@ -0,0 +1,30 @@
+/*
+Copyright 2011 Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package blobserver
+
+import (
+	"os"
+
+	"camli/blobref"
+)
+
+// TODO: it'd be nice to make sources be []BlobEnumerator, but that
+// makes callers more complex since assignable interfaces' slice forms
+// aren't assignable.
+func MergedEnumerated(dest chan<- blobref.SizedBlobRef, sources []Storage, after string, limit uint, waitSeconds int) os.Error {
+	return os.NewError("TODO: NOT IMPLEMENTED")
+}

lib/go/camli/blobserver/shard/shard.go

@@ -103,19 +103,14 @@ func (sto *shardStorage) Remove(blobs []*blobref.BlobRef) os.Error {
 	})
 }
 
-func (sto *shardStorage) Stat(dest chan<- blobref.SizedBlobRef,
-blobs []*blobref.BlobRef,
-waitSeconds int) os.Error {
+func (sto *shardStorage) Stat(dest chan<- blobref.SizedBlobRef, blobs []*blobref.BlobRef, waitSeconds int) os.Error {
 	return sto.batchedShards(blobs, func(s blobserver.Storage, blobs []*blobref.BlobRef) os.Error {
 		return s.Stat(dest, blobs, waitSeconds)
 	})
 }
 
-func (sto *shardStorage) EnumerateBlobs(dest chan<- blobref.SizedBlobRef,
-after string,
-limit uint,
-waitSeconds int) os.Error {
-	return os.NewError("shard: TODO: NOT IMPLEMENTED")
+func (sto *shardStorage) EnumerateBlobs(dest chan<- blobref.SizedBlobRef, after string, limit uint, waitSeconds int) os.Error {
+	return blobserver.MergedEnumerated(dest, sto.shards, after, limit, waitSeconds)
 }
 
 func init() {