YARN-4188. Make MoveApplicationAcrossQueues abstract, newInstance static

Contributed by Giovanni Matteo Fumarola

hadoop-yarn-project/CHANGES.txt

@@ -868,6 +868,9 @@ Release 2.8.0 - UNRELEASED
     YARN-4113. RM should respect retry-interval when uses RetryPolicies.RETRY_FOREVER. 
     (Sunil G via wangda)
 
+    YARN-4188. Make MoveApplicationAcrossQueues abstract, newInstance static.
+    (Giovanni Matteo Fumarola via cdouglas)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/MoveApplicationAcrossQueuesResponse.java

@@ -15,6 +15,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.hadoop.yarn.api.protocolrecords;
 
 import org.apache.hadoop.classification.InterfaceAudience.Private;
@@ -36,10 +37,10 @@ import org.apache.hadoop.yarn.util.Records;
  */
 @Public
 @Unstable
-public class MoveApplicationAcrossQueuesResponse {
+public abstract class MoveApplicationAcrossQueuesResponse {
   @Private
   @Unstable
-  public MoveApplicationAcrossQueuesResponse newInstance() {
+  public static MoveApplicationAcrossQueuesResponse newInstance() {
     MoveApplicationAcrossQueuesResponse response =
         Records.newRecord(MoveApplicationAcrossQueuesResponse.class);
     return response;