| % 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. |
| |
| |
| -define(ERLFDB_ERROR(Reason), erlang:error({?MODULE, Reason})). |
| |
| |
| -define(ERLFDB_PACK(Tuple), erlfdb_tuple:pack(Tuple)). |
| -define(ERLFDB_PACK(Prefix, Tuple), erlfdb_tuple:pack(Tuple, Prefix)). |
| |
| -define(ERLFDB_RANGE(Prefix), |
| erlfdb_subspace:range(erlfdb_subspace:create({}, Prefix))). |
| -define(ERLFDB_RANGE(Prefix, Term), |
| erlfdb_subspace:range(erlfdb_subspace:create({Term}, Prefix))). |
| |
| -define(ERLFDB_EXTEND(Prefix, Term), erlfdb_tuple:pack({Term}, Prefix)). |
| |
| -define(ERLFDB_EXTRACT(Prefix, Packed), (fun() -> |
| __PrefixLen = size(Prefix), |
| <<Prefix:__PrefixLen/binary, __Tail/binary>> = Packed, |
| erlfdb_tuple:unpack(__Tail) |
| end)()). |
| |
| |
| |
| |
| |