[Java] Add the ability to query if CountedErrorHandler has been closed.

pkbhavani · Feb 20, 2020 · 03cd644 · 03cd644
1 parent e6beacf
commit 03cd644
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/agrona/src/main/java/org/agrona/concurrent/CountedErrorHandler.java b/agrona/src/main/java/org/agrona/concurrent/CountedErrorHandler.java
@@ -52,11 +52,21 @@ public void close()
         isClosed = true;
     }
 
+    /**
+     * Has this instance been closed.
+     *
+     * @return true if {@link #close()} has previously be called, otherwise false.
+     */
+    public boolean isClosed()
+    {
+        return isClosed;
+    }
+
     public void onError(final Throwable throwable)
     {
         if (isClosed)
         {
-            throwable.printStackTrace();
+            throwable.printStackTrace(System.err);
         }
         else
         {