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-rw-r--r--apps/fabric/src/fabric_doc_missing_revs.erl78
1 files changed, 0 insertions, 78 deletions
diff --git a/apps/fabric/src/fabric_doc_missing_revs.erl b/apps/fabric/src/fabric_doc_missing_revs.erl
deleted file mode 100644
index a4d54192..00000000
--- a/apps/fabric/src/fabric_doc_missing_revs.erl
+++ /dev/null
@@ -1,78 +0,0 @@
-% Copyright 2010 Cloudant
-%
-% 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.
-
--module(fabric_doc_missing_revs).
-
--export([go/2]).
-
--include("fabric.hrl").
--include_lib("mem3/include/mem3.hrl").
-
-go(DbName, AllIdsRevs) ->
- Workers = lists:map(fun({#shard{name=Name, node=Node} = Shard, IdsRevs}) ->
- Ref = rexi:cast(Node, {fabric_rpc, get_missing_revs, [Name, IdsRevs]}),
- Shard#shard{ref=Ref}
- end, group_idrevs_by_shard(DbName, AllIdsRevs)),
- ResultDict = dict:from_list([{Id, {nil,Revs}} || {Id, Revs} <- AllIdsRevs]),
- Acc0 = {length(Workers), ResultDict},
- fabric_util:recv(Workers, #shard.ref, fun handle_message/3, Acc0).
-
-handle_message({rexi_DOWN, _, _, _}, _Worker, Acc0) ->
- skip_message(Acc0);
-handle_message({rexi_EXIT, _, _, _}, _Worker, Acc0) ->
- skip_message(Acc0);
-handle_message({ok, Results}, _Worker, {1, D0}) ->
- D = update_dict(D0, Results),
- {stop, dict:fold(fun force_reply/3, [], D)};
-handle_message({ok, Results}, _Worker, {WaitingCount, D0}) ->
- D = update_dict(D0, Results),
- case dict:fold(fun maybe_reply/3, {stop, []}, D) of
- continue ->
- % still haven't heard about some Ids
- {ok, {WaitingCount - 1, D}};
- {stop, FinalReply} ->
- {stop, FinalReply}
- end.
-
-force_reply(Id, {nil,Revs}, Acc) ->
- % never heard about this ID, assume it's missing
- [{Id, Revs} | Acc];
-force_reply(_, [], Acc) ->
- Acc;
-force_reply(Id, Revs, Acc) ->
- [{Id, Revs} | Acc].
-
-maybe_reply(_, _, continue) ->
- continue;
-maybe_reply(_, {nil, _}, _) ->
- continue;
-maybe_reply(_, [], {stop, Acc}) ->
- {stop, Acc};
-maybe_reply(Id, Revs, {stop, Acc}) ->
- {stop, [{Id, Revs} | Acc]}.
-
-group_idrevs_by_shard(DbName, IdsRevs) ->
- dict:to_list(lists:foldl(fun({Id, Revs}, D0) ->
- lists:foldl(fun(Shard, D1) ->
- dict:append(Shard, {Id, Revs}, D1)
- end, D0, mem3:shards(DbName,Id))
- end, dict:new(), IdsRevs)).
-
-update_dict(D0, KVs) ->
- lists:foldl(fun({K,V,_}, D1) -> dict:store(K, V, D1) end, D0, KVs).
-
-skip_message({1, Dict}) ->
- {stop, dict:fold(fun force_reply/3, [], Dict)};
-skip_message({WaitingCount, Dict}) ->
- {ok, {WaitingCount-1, Dict}}.