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.utils;
20 import android.app.Application;
21 import android.database.sqlite.SQLiteDatabase;
22 import android.database.sqlite.SQLiteOpenHelper;
24 import androidx.lifecycle.MutableLiveData;
26 import net.ktnx.mobileledger.db.DB;
28 import static net.ktnx.mobileledger.utils.Logger.debug;
30 public class MobileLedgerDatabase extends SQLiteOpenHelper {
31 public static final MutableLiveData<Boolean> initComplete = new MutableLiveData<>(false);
32 public MobileLedgerDatabase(Application context) {
33 super(context, DB.DB_NAME, null, DB.REVISION);
34 debug("db", "creating helper instance");
35 super.setWriteAheadLoggingEnabled(true);
39 public void onCreate(SQLiteDatabase db) {
40 throw new IllegalStateException("Should not happen. Where's Room!?");
43 public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
44 throw new IllegalStateException("Should not happen. Where's Room!?");
48 public void onConfigure(SQLiteDatabase db) {
49 super.onConfigure(db);
50 // force a check by Room to ensure everything is OK
51 // TODO: remove when all DB access is via Room
53 .compileStatement("SELECT COUNT(*) FROM profiles");