From 3b95eaf70b0a11b1c6e0c52361fe738b4a4b2ace Mon Sep 17 00:00:00 2001
From: Kurt Partridge <kep@google.com>
Date: Sun, 23 Dec 2012 15:12:51 -0800
Subject: [Rlog50] capture bigrams properly even with deletions

multi-project commit with Ia4ec213e8356897807cb6a278fccdbaa945732f0

Change-Id: Ib3fe886dc889954a31586ab81d00a21d8d55efd2
---
 java/src/com/android/inputmethod/research/LogBuffer.java | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'java/src/com/android/inputmethod/research/LogBuffer.java')

diff --git a/java/src/com/android/inputmethod/research/LogBuffer.java b/java/src/com/android/inputmethod/research/LogBuffer.java
index 14e8d08a2..9d095f8ad 100644
--- a/java/src/com/android/inputmethod/research/LogBuffer.java
+++ b/java/src/com/android/inputmethod/research/LogBuffer.java
@@ -46,6 +46,20 @@ public class LogBuffer {
         mLogUnits.add(logUnit);
     }
 
+    public LogUnit unshiftIn() {
+        if (mLogUnits.isEmpty()) {
+            return null;
+        }
+        return mLogUnits.removeLast();
+    }
+
+    public LogUnit peekLastLogUnit() {
+        if (mLogUnits.isEmpty()) {
+            return null;
+        }
+        return mLogUnits.peekLast();
+    }
+
     public boolean isEmpty() {
         return mLogUnits.isEmpty();
     }
-- 
cgit v1.2.3-83-g751a