app/src/main/java/net/ktnx/mobileledger/async/DbOpRunner.java

   1 /*
   2  * Copyright © 2020 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.
   8  *
   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.
  13  *
  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/>.
  16  */
  17
  18 package net.ktnx.mobileledger.async;
  19
  20 import android.database.sqlite.SQLiteDatabase;
  21
  22 import net.ktnx.mobileledger.App;
  23 import net.ktnx.mobileledger.BuildConfig;
  24
  25 import java.util.concurrent.BlockingQueue;
  26
  27 import static net.ktnx.mobileledger.utils.Logger.debug;
  28
  29 class DbOpRunner extends Thread {
  30     private final BlockingQueue<DbOpItem> queue;
  31     public DbOpRunner(BlockingQueue<DbOpItem> queue) {
  32         this.queue = queue;
  33     }
  34     @Override
  35     public void run() {
  36         while (!interrupted()) {
  37             try {
  38                 DbOpItem item = queue.take();
  39                 debug("opQrunner", "Got " + item.sql);
  40                 {
  41                     SQLiteDatabase db = App.getDatabase();
  42                     if (BuildConfig.DEBUG) {
  43                         StringBuilder b = new StringBuilder("Executing ");
  44                         b.append(item.sql);
  45                         if (item.params.length > 0) {
  46                             boolean first = true;
  47                             b.append(" [");
  48                             for (Object p : item.params) {
  49                                 if (first)
  50                                     first = false;
  51                                 else
  52                                     b.append(", ");
  53                                 b.append(p.toString());
  54                             }
  55                             b.append("]");
  56                         }
  57                         debug("opQrunner", b.toString());
  58                     }
  59                     db.execSQL(item.sql, item.params);
  60                 }
  61                 if (item.onReady != null)
  62                     item.onReady.run();
  63             }
  64             catch (InterruptedException e) {
  65                 break;
  66             }
  67         }
  68     }
  69 }