From b5b22d4b01273b83e816520301001b79147c33c8 Mon Sep 17 00:00:00 2001
From: Jason Tedor <jason@tedor.me>
Date: Thu, 10 Sep 2015 23:25:59 -0400
Subject: [PATCH] Remove and forbid use of com.google.common.collect.Queues

This commit removes and now forbids all uses of
com.google.common.collect.Queues across the codebase. This is one of
many steps in the eventual removal of Guava as a dependency.

Relates #13224
---
 .../java/org/elasticsearch/common/recycler/Recyclers.java   | 6 +++---
 dev-tools/src/main/resources/forbidden/core-signatures.txt  | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/core/src/main/java/org/elasticsearch/common/recycler/Recyclers.java b/core/src/main/java/org/elasticsearch/common/recycler/Recyclers.java
index daff885733a..5bac8f7bcfd 100644
--- a/core/src/main/java/org/elasticsearch/common/recycler/Recyclers.java
+++ b/core/src/main/java/org/elasticsearch/common/recycler/Recyclers.java
@@ -20,8 +20,8 @@
 package org.elasticsearch.common.recycler;
 
 import com.carrotsearch.hppc.BitMixer;
-import com.google.common.collect.Queues;
-import org.elasticsearch.ElasticsearchException;
+
+import java.util.ArrayDeque;
 
 public enum Recyclers {
     ;
@@ -44,7 +44,7 @@ public enum Recyclers {
      * Return a recycler based on a deque.
      */
     public static <T> Recycler<T> deque(Recycler.C<T> c, int limit) {
-        return new DequeRecycler<>(c, Queues.<T>newArrayDeque(), limit);
+        return new DequeRecycler<>(c, new ArrayDeque<>(), limit);
     }
 
     /**
diff --git a/dev-tools/src/main/resources/forbidden/core-signatures.txt b/dev-tools/src/main/resources/forbidden/core-signatures.txt
index 4b0bc079a07..92792ca3ca3 100644
--- a/dev-tools/src/main/resources/forbidden/core-signatures.txt
+++ b/dev-tools/src/main/resources/forbidden/core-signatures.txt
@@ -98,3 +98,4 @@ com.google.common.base.Preconditions#checkNotNull(java.lang.Object)
 com.google.common.base.Preconditions#checkNotNull(java.lang.Object, java.lang.Object)
 com.google.common.base.Preconditions#checkNotNull(java.lang.Object, java.lang.String, java.lang.Object[])
 com.google.common.collect.ImmutableSortedSet
+com.google.common.collect.Queues