Add jni method for getMaxFrequencyOfExactMatches().

Bug: 13142176
Bug: 15428247
Change-Id: I2ae25090b67ad0c6df97dec7712e2f7e0bb08c40

1 files changed, 8 insertions, 1 deletions

diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 096b946d2..284daddee 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -189,6 +189,7 @@ public final class BinaryDictionary extends Dictionary {
     private static native void closeNative(long dict);
     private static native int getFormatVersionNative(long dict);
     private static native int getProbabilityNative(long dict, int[] word);
+    private static native int getMaxProbabilityOfExactMatchesNative(long dict, int[] word);
     private static native int getBigramProbabilityNative(long dict, int[] word0,
             boolean isBeginningOfSentence, int[] word1);
     private static native void getWordPropertyNative(long dict, int[] word,
@@ -350,11 +351,17 @@ public final class BinaryDictionary extends Dictionary {
 
     @Override
     public int getFrequency(final String word) {
-        if (word == null) return NOT_A_PROBABILITY;
+        if (TextUtils.isEmpty(word)) return NOT_A_PROBABILITY;
         int[] codePoints = StringUtils.toCodePointArray(word);
         return getProbabilityNative(mNativeDict, codePoints);
     }
 
+    public int getMaxFrequencyOfExactMatches(final String word) {
+        if (TextUtils.isEmpty(word)) return NOT_A_PROBABILITY;
+        int[] codePoints = StringUtils.toCodePointArray(word);
+        return getMaxProbabilityOfExactMatchesNative(mNativeDict, codePoints);
+    }
+
     @UsedForTesting
     public boolean isValidNgram(final PrevWordsInfo prevWordsInfo, final String word) {
         return getNgramProbability(prevWordsInfo, word) != NOT_A_PROBABILITY;