[HOPS-1564] Fixed bug in transaction cache

Author: smkniazi

src/main/java/io/hops/metadata/ndb/dalimpl/hdfs/ReplicaUnderConstructionClusterj.java

@@ -30,6 +30,7 @@
 import io.hops.metadata.hdfs.entity.ReplicaUnderConstruction;
 import io.hops.metadata.ndb.ClusterjConnector;
 import io.hops.metadata.ndb.NdbBoolean;
+import io.hops.metadata.ndb.mysqlserver.MySQLQueryHelper;
 import io.hops.metadata.ndb.wrapper.HopsPredicate;
 import io.hops.metadata.ndb.wrapper.HopsQuery;
 import io.hops.metadata.ndb.wrapper.HopsQueryBuilder;
@@ -185,6 +186,11 @@ public void removeByBlockIdAndInodeId(long blockId, long inodeId) throws
     query.deletePersistentAll();
   }
 
+  @Override
+  public int countAll() throws StorageException {
+    return MySQLQueryHelper.countAll(TABLE_NAME);
+  }
+
   private List<ReplicaUnderConstruction> convertAndRelease(HopsSession session,
       List<ReplicaUcDTO> replicaUc) throws StorageException {
     List<ReplicaUnderConstruction> replicas =