refactoring

redisson/src/main/java/org/redisson/misc/AsyncCountDownLatch.java

@@ -22,7 +22,7 @@ import java.util.concurrent.atomic.AtomicInteger;
  * @author Nikita Koksharov
  *
  */
-public class AsyncCountDownLatch {
+public final class AsyncCountDownLatch {
 
     private final AtomicInteger commandsSent = new AtomicInteger();
     private volatile Runnable callback;

redisson/src/main/java/org/redisson/misc/AsyncSemaphore.java

@@ -25,7 +25,7 @@ import java.util.concurrent.atomic.AtomicInteger;
  * @author Nikita Koksharov
  *
  */
-public class AsyncSemaphore {
+public final class AsyncSemaphore {
 
     private final AtomicInteger counter;
     private final Queue<CompletableFuture<Void>> listeners = new ConcurrentLinkedQueue<>();

redisson/src/main/java/org/redisson/misc/RandomXoshiro256StarStar.java

@@ -41,7 +41,7 @@ import java.util.concurrent.atomic.AtomicStampedReference;
  * @author Una Thompson <una@unascribed.com> (Java port)
  * @author Nikita Koksharov
  */
-public class RandomXoshiro256StarStar extends Random {
+public final class RandomXoshiro256StarStar extends Random {
 
     private static final long serialVersionUID = -2837799889588687855L;
 

redisson/src/main/java/org/redisson/misc/RedisURI.java

@@ -27,7 +27,7 @@ import java.util.Objects;
  * @author Nikita Koksharov
  *
  */
-public class RedisURI {
+public final class RedisURI {
 
     private final boolean ssl;
     private final String host;