[Rlog50] capture bigrams properly even with deletions

multi-project commit with Ia4ec213e8356897807cb6a278fccdbaa945732f0

Change-Id: Ib3fe886dc889954a31586ab81d00a21d8d55efd2

1 files changed, 10 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/research/LogUnit.java b/java/src/com/android/inputmethod/research/LogUnit.java
index bcb144f5f..ef2c4ea29 100644
--- a/java/src/com/android/inputmethod/research/LogUnit.java
+++ b/java/src/com/android/inputmethod/research/LogUnit.java
@@ -240,6 +240,7 @@ import java.util.Map;
     public LogUnit splitByTime(final long maxTime) {
         // Assume that mTimeList is in sorted order.
         final int length = mTimeList.size();
+        // TODO: find time by binary search, e.g. using Collections#binarySearch()
         for (int index = 0; index < length; index++) {
             if (mTimeList.get(index) > maxTime) {
                 final List<LogStatement> laterLogStatements =
@@ -267,4 +268,13 @@ import java.util.Map;
         }
         return new LogUnit();
     }
+
+    public void append(final LogUnit logUnit) {
+        mLogStatementList.addAll(logUnit.mLogStatementList);
+        mValuesList.addAll(logUnit.mValuesList);
+        mTimeList.addAll(logUnit.mTimeList);
+        mWord = null;
+        mMayContainDigit = mMayContainDigit || logUnit.mMayContainDigit;
+        mIsPartOfMegaword = false;
+    }
 }