Ability to interrupt a thread

h2/src/main/org/h2/util/Task.java

@@ -94,6 +94,16 @@ public abstract class Task implements Runnable {
         return finished;
     }
 
+    /**
+     * Interrupt the thread.
+     */
+    public void interruptThread() {
+        if (thread == null) {
+            throw new IllegalStateException("Thread not started");
+        }
+        thread.interrupt();
+    }
+
     /**
      * Get the exception that was thrown in the call (if any).
      *