move async DB stuff away of AsyncTask

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / dao / BaseDAO.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/dao/BaseDAO.java b/app/src/main/java/net/ktnx/mobileledger/dao/BaseDAO.java
index 0bcb3e488d7fe25b7e15b91f9949af795860d0dc..905bf23a08e3ab2f48aa490cad3d9cb2f278bbd4 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/dao/BaseDAO.java
+++ b/app/src/main/java/net/ktnx/mobileledger/dao/BaseDAO.java
@@ -17,38 +17,50 @@
 
 package net.ktnx.mobileledger.dao;
 
-import android.os.AsyncTask;
-import android.os.Handler;
-import android.os.Looper;
+import androidx.annotation.NonNull;
 
-import androidx.annotation.Nullable;
+import net.ktnx.mobileledger.utils.Misc;
 
-abstract class BaseDAO<T> {
-    abstract void insertSync(T item);
-    public void insert(T item, @Nullable Runnable onDone) {
-        AsyncTask.execute(() -> {
-            insertSync(item);
-            if (onDone != null)
-                new Handler(Looper.getMainLooper()).post(onDone);
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public abstract class BaseDAO<T> {
+    private final static Executor asyncRunner = Executors.newSingleThreadExecutor();
+    public static void runAsync(Runnable runnable) {
+        asyncRunner.execute(runnable);
+    }
+    abstract long insertSync(T item);
+    public void insert(T item) {
+        asyncRunner.execute(() -> insertSync(item));
+    }
+    public void insert(T item, @NonNull OnInsertedReceiver receiver) {
+        asyncRunner.execute(() -> {
+            long id = insertSync(item);
+            Misc.onMainThread(() -> receiver.onInsert(id));
         });
     }
 
     abstract void updateSync(T item);
-    public void update(T item, @Nullable Runnable onDone) {
-        AsyncTask.execute(() -> {
+    public void update(T item) {
+        asyncRunner.execute(() -> updateSync(item));
+    }
+    public void update(T item, @NonNull Runnable onDone) {
+        asyncRunner.execute(() -> {
             updateSync(item);
-            if (onDone != null)
-                new Handler(Looper.getMainLooper()).post(onDone);
+            Misc.onMainThread(onDone);
         });
     }
     abstract void deleteSync(T item);
-    public void delete(T item, @Nullable Runnable onDone) {
-        AsyncTask.execute(() -> {
+    public void delete(T item) {
+        asyncRunner.execute(() -> deleteSync(item));
+    }
+    public void delete(T item, @NonNull Runnable onDone) {
+        asyncRunner.execute(() -> {
             deleteSync(item);
-            if (onDone != null)
-                new Handler(Looper.getMainLooper()).post(onDone);
+            Misc.onMainThread(onDone);
         });
     }
-
-
+    interface OnInsertedReceiver {
+        void onInsert(long id);
+    }
 }