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.ui.patterns;
20 import android.database.Cursor;
22 import androidx.annotation.NonNull;
23 import androidx.lifecycle.MutableLiveData;
25 import net.ktnx.mobileledger.model.PatternEntry;
26 import net.ktnx.mobileledger.utils.Logger;
27 import net.ktnx.mobileledger.utils.MLDB;
29 import java.lang.ref.WeakReference;
30 import java.util.ArrayList;
31 import java.util.HashMap;
32 import java.util.Locale;
35 public class PatternsModel {
36 private static final MutableLiveData<Integer> patternCount = new MutableLiveData<>(0);
37 private static final Map<Integer, WeakReference<PatternEntry>> cachedEntries =
38 new HashMap<Integer, WeakReference<PatternEntry>>() {};
39 public synchronized static void retrievePatterns(PatternsRecyclerViewAdapter modelAdapter) {
40 final ArrayList<PatternEntry> idList = new ArrayList<>();
41 MLDB.queryInBackground("select id, name from patterns", null, new MLDB.CallbackHelper() {
43 public void onDone() {
44 modelAdapter.setPatterns(idList);
45 Logger.debug("patterns",
46 String.format(Locale.US, "Pattern list loaded from db with %d entries",
50 public boolean onRow(@NonNull Cursor cursor) {
51 final PatternEntry entry = new PatternEntry(cursor.getInt(0));
52 entry.setName(cursor.getString(1));