async database statement queue

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / async / DbOpRunner.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/async/DbOpRunner.java b/app/src/main/java/net/ktnx/mobileledger/async/DbOpRunner.java
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+++ b/app/src/main/java/net/ktnx/mobileledger/async/DbOpRunner.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2019 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.async;
+
+import android.database.sqlite.SQLiteDatabase;
+import android.util.Log;
+
+import net.ktnx.mobileledger.utils.MLDB;
+
+import java.util.concurrent.BlockingQueue;
+
+class DbOpRunner extends Thread {
+    private final BlockingQueue<DbOpItem> queue;
+    public DbOpRunner(BlockingQueue<DbOpItem> queue) {
+        this.queue = queue;
+    }
+    @Override
+    public void run() {
+        while (!interrupted()) {
+            try {
+                DbOpItem item = queue.take();
+                Log.d("opQrunner", "Got "+item.sql);
+                SQLiteDatabase db = MLDB.getDatabase();
+                Log.d("opQrunner", "Executing "+item.sql);
+                db.execSQL(item.sql, item.params);
+            }
+            catch (InterruptedException e) {
+                break;
+            }
+        }
+    }
+}