From ce0cdc50d9700118139e7907dede274d2db93fda Mon Sep 17 00:00:00 2001
From: Daniel Templeton <templedf@apache.org>
Date: Fri, 11 Aug 2017 14:50:46 -0700
Subject: [PATCH] YARN-6882. AllocationFileLoaderService.reloadAllocations()
 should use the diamond operator (Contributed by Larry Lo via Daniel
 Templeton)

(cherry picked from commit 0996acde6c325667aa19ae0740eb6b40bf4a682a)
---
 .../scheduler/fair/AllocationFileLoaderService.java           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
index a142d378a87..5696a97d30c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AllocationFileLoaderService.java
@@ -267,7 +267,7 @@ public synchronized void reloadAllocations() throws IOException,
     Map<FSQueueType, Set<String>> configuredQueues = new HashMap<>();
 
     for (FSQueueType queueType : FSQueueType.values()) {
-      configuredQueues.put(queueType, new HashSet<String>());
+      configuredQueues.put(queueType, new HashSet<>());
     }
 
     // Read and parse the allocations file.
@@ -281,7 +281,7 @@ public synchronized void reloadAllocations() throws IOException,
       throw new AllocationConfigurationException("Bad fair scheduler config " +
           "file: top-level element not <allocations>");
     NodeList elements = root.getChildNodes();
-    List<Element> queueElements = new ArrayList<Element>();
+    List<Element> queueElements = new ArrayList<>();
     Element placementPolicyElement = null;
     for (int i = 0; i < elements.getLength(); i++) {
       Node node = elements.item(i);