Fix odlparent-3-detected checkstyle issues

[yangtools.git] / common / util / src / test / java / org / opendaylight / yangtools / util / concurrent / CommonTestUtils.java

diff --git a/common/util/src/test/java/org/opendaylight/yangtools/util/concurrent/CommonTestUtils.java b/common/util/src/test/java/org/opendaylight/yangtools/util/concurrent/CommonTestUtils.java
index 9ee60f7ad045744b5d566c742b2048b49f9d9e60..b0c5c10b7192ac2aa1b856492c17c52e594cabbd 100644 (file)
--- a/common/util/src/test/java/org/opendaylight/yangtools/util/concurrent/CommonTestUtils.java
+++ b/common/util/src/test/java/org/opendaylight/yangtools/util/concurrent/CommonTestUtils.java
@@ -18,7 +18,11 @@ import java.util.concurrent.CountDownLatch;
  *
  * @author Thomas Pantelis
  */
-public class CommonTestUtils {
+public final class CommonTestUtils {
+    private CommonTestUtils() {
+        throw new UnsupportedOperationException();
+    }
+
     @FunctionalInterface
     public interface Invoker {
         ListenableFuture<?> invokeExecutor(ListeningExecutorService executor, CountDownLatch blockingLatch);