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Diffstat (limited to 'deps/fabric/src/fabric_dict.erl')
-rw-r--r-- | deps/fabric/src/fabric_dict.erl | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/deps/fabric/src/fabric_dict.erl b/deps/fabric/src/fabric_dict.erl new file mode 100644 index 00000000..cea537ca --- /dev/null +++ b/deps/fabric/src/fabric_dict.erl @@ -0,0 +1,51 @@ +% 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_dict). +-compile(export_all). + +% Instead of ets, let's use an ordered keylist. We'll need to revisit if we +% have >> 100 shards, so a private interface is a good idea. - APK June 2010 + +init(Keys, InitialValue) -> + orddict:from_list([{Key, InitialValue} || Key <- Keys]). + + +decrement_all(Dict) -> + [{K,V-1} || {K,V} <- Dict]. + +store(Key, Value, Dict) -> + orddict:store(Key, Value, Dict). + +erase(Key, Dict) -> + orddict:erase(Key, Dict). + +update_counter(Key, Incr, Dict0) -> + orddict:update_counter(Key, Incr, Dict0). + + +lookup_element(Key, Dict) -> + couch_util:get_value(Key, Dict). + +size(Dict) -> + orddict:size(Dict). + +any(Value, Dict) -> + lists:keymember(Value, 2, Dict). + +filter(Fun, Dict) -> + orddict:filter(Fun, Dict). + +fold(Fun, Acc0, Dict) -> + orddict:fold(Fun, Acc0, Dict). |