| % 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. |
| |
| %% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*- |
| |
| -module(couch_raft_log). |
| |
| -export([ |
| new/0, |
| append/2, |
| sublist/3, |
| nth/2, |
| last/1, |
| index/1, |
| term/1, |
| value/1 |
| ]). |
| |
| new() -> |
| []. |
| |
| append(Log, Items) -> |
| lists:append(Log, Items). |
| |
| sublist(Log, Start, Len) -> |
| lists:sublist(Log, Start, Len). |
| |
| nth(N, Log) -> |
| lists:nth(N, Log). |
| |
| last([]) -> |
| {0, 0, undefined}; |
| last(Log) -> |
| lists:last(Log). |
| |
| index(Entry) -> |
| element(1, Entry). |
| |
| term(Entry) -> |
| element(2, Entry). |
| |
| value(Entry) -> |
| element(3, Entry). |