%% -------------------------------------------------------------------
%%
%% Copyright (c) 2007-2014 Basho Technologies, Inc.  All Rights Reserved.
%%
%% This file is provided to you 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.
%%
%% -------------------------------------------------------------------

-record(projection, {
          %% hard state
          epoch :: non_neg_integer(),
          last_epoch :: non_neg_integer(),
          float_map,
          last_float_map,
          %% soft state
          migrating :: boolean(),
          tree,
          last_tree
         }).

-define(SHA_MAX, (1 bsl (20*8))).