2 * Copyright © 2021 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.dao;
20 import androidx.annotation.NonNull;
22 import net.ktnx.mobileledger.utils.Misc;
24 import java.util.concurrent.Executor;
25 import java.util.concurrent.Executors;
27 public abstract class BaseDAO<T> {
28 private final static Executor asyncRunner = Executors.newSingleThreadExecutor();
29 public static void runAsync(Runnable runnable) {
30 asyncRunner.execute(runnable);
32 abstract long insertSync(T item);
33 public void insert(T item) {
34 asyncRunner.execute(() -> insertSync(item));
36 public void insert(T item, @NonNull OnInsertedReceiver receiver) {
37 asyncRunner.execute(() -> {
38 long id = insertSync(item);
39 Misc.onMainThread(() -> receiver.onInsert(id));
43 abstract void updateSync(T item);
44 public void update(T item) {
45 asyncRunner.execute(() -> updateSync(item));
47 public void update(T item, @NonNull Runnable onDone) {
48 asyncRunner.execute(() -> {
50 Misc.onMainThread(onDone);
53 abstract void deleteSync(T item);
54 public void delete(T item) {
55 asyncRunner.execute(() -> deleteSync(item));
57 public void delete(T item, @NonNull Runnable onDone) {
58 asyncRunner.execute(() -> {
60 Misc.onMainThread(onDone);
63 interface OnInsertedReceiver {
64 void onInsert(long id);