X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fcds-access-client%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Faccess%2Fclient%2FEmptyQueue.java;h=125f0251cd947198edbc17072d66c7fc607c7d61;hb=80e6514d56cd4dc6aa40997dea2b460723148341;hp=31d863a36cf8721de52969ed0bfb5e94dfad4922;hpb=9b4f21460c6dcb10c381df631d064d05de16546c;p=controller.git

diff --git a/opendaylight/md-sal/cds-access-client/src/main/java/org/opendaylight/controller/cluster/access/client/EmptyQueue.java b/opendaylight/md-sal/cds-access-client/src/main/java/org/opendaylight/controller/cluster/access/client/EmptyQueue.java
index 31d863a36c..125f0251cd 100644
--- a/opendaylight/md-sal/cds-access-client/src/main/java/org/opendaylight/controller/cluster/access/client/EmptyQueue.java
+++ b/opendaylight/md-sal/cds-access-client/src/main/java/org/opendaylight/controller/cluster/access/client/EmptyQueue.java
@@ -7,21 +7,23 @@
  */
 package org.opendaylight.controller.cluster.access.client;
 
+import com.google.common.annotations.Beta;
 import java.util.AbstractQueue;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.Queue;
+import org.opendaylight.yangtools.concepts.Immutable;
 
 /**
  * A specialized always-empty implementation of {@link java.util.Queue}. This implementation will always refuse new
  * elements in its {@link #offer(Object)} method.
-
  * @author Robert Varga
  *
  * @param <E> the type of elements held in this collection
  */
 // TODO: move this class into yangtools.util
-final class EmptyQueue<T> extends AbstractQueue<T> {
+@Beta
+public final class EmptyQueue<E> extends AbstractQueue<E> implements Immutable {
     private static final EmptyQueue<?> INSTANCE = new EmptyQueue<>();
 
     private EmptyQueue() {
@@ -29,27 +31,27 @@ final class EmptyQueue<T> extends AbstractQueue<T> {
     }
 
     @SuppressWarnings("unchecked")
-    static <T> Queue<T> getInstance() {
+    public static <T> Queue<T> getInstance() {
         return (Queue<T>) INSTANCE;
     }
 
     @Override
-    public boolean offer(final T e) {
+    public boolean offer(final E entry) {
         return false;
     }
 
     @Override
-    public T poll() {
+    public E poll() {
         return null;
     }
 
     @Override
-    public T peek() {
+    public E peek() {
         return null;
     }
 
     @Override
-    public Iterator<T> iterator() {
+    public Iterator<E> iterator() {
         return Collections.emptyIterator();
     }
 
@@ -57,4 +59,4 @@ final class EmptyQueue<T> extends AbstractQueue<T> {
     public int size() {
         return 0;
     }
-}
\ No newline at end of file
+}