From 500eff0b5f242d9481329a9bde126a7e1c29ed6f Mon Sep 17 00:00:00 2001
From: Hans Joachim Desserud <github@desserud.org>
Date: Sat, 2 Nov 2013 19:26:35 +0100
Subject: Fixes a couple of issues by using interfaces rather than a specific
 implementation

---
 .../main/java/org/sonar/duplications/detector/suffixtree/Search.java   | 2 +-
 .../src/main/java/org/sonar/duplications/token/TokenQueue.java         | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'sonar-duplications/src/main/java')

diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/Search.java b/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/Search.java
index 4966607d700..4b24446d133 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/Search.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/detector/suffixtree/Search.java
@@ -63,7 +63,7 @@ public final class Search {
    * Depth-first search (DFS).
    */
   private void dfs() {
-    LinkedList<Node> stack = Lists.newLinkedList();
+    Deque<Node> stack = Lists.newLinkedList();
     stack.add(tree.getRootNode());
     while (!stack.isEmpty()) {
       Node node = stack.removeLast();
diff --git a/sonar-duplications/src/main/java/org/sonar/duplications/token/TokenQueue.java b/sonar-duplications/src/main/java/org/sonar/duplications/token/TokenQueue.java
index 842babbe64e..94aa4f522df 100644
--- a/sonar-duplications/src/main/java/org/sonar/duplications/token/TokenQueue.java
+++ b/sonar-duplications/src/main/java/org/sonar/duplications/token/TokenQueue.java
@@ -19,6 +19,7 @@
  */
 package org.sonar.duplications.token;
 
+import java.util.Deque;
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
@@ -26,7 +27,7 @@ import java.util.ListIterator;
 
 public class TokenQueue implements Iterable<Token> {
 
-  private final LinkedList<Token> tokenQueue;
+  private final Deque<Token> tokenQueue;
 
   public TokenQueue(List<Token> tokenList) {
     tokenQueue = new LinkedList<Token>(tokenList);
-- 
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