~

src/src/main/java/com/my/graphiteDigesterBg/diframe/DiTaskBase.java

@@ -196,4 +196,22 @@ abstract public class DiTaskBase implements DiTask {
     public DiTaskStep getStep() {
         return null;
     }
+
+    // execute batch actions
+    public void batchExecute(List<DiTaskMoveBase.ExecuteCallback> actions) {
+        List<Thread> threads = new ArrayList<>();
+        for (DiTaskMoveBase.ExecuteCallback action : actions) {
+            Thread thread = new Thread(action::callback);
+            threads.add(thread);
+            thread.start();
+        }
+
+        for (Thread thread : threads) {
+            try {
+                thread.join();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+    }
 }