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Implement a comparator for SuggestedWordInfos.

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Change-Id: Ic4b0ae05cd98a1aec5806c5e4b744158e73aea7a
This commit is contained in:
Jean Chalard 2012-06-26 20:19:10 +09:00
parent 4ef01c51f8
commit 9da0027b38
1 changed files with 18 additions and 4 deletions
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22
java/src/com/android/inputmethod/latin/Suggest.java
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@ -26,6 +26,8 @@ import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
@ -384,6 +386,21 @@ public class Suggest {
return suggestionsList;
}
private static class SuggestedWordInfoComparator implements Comparator<SuggestedWordInfo> {
// This comparator ranks the word info with the higher frequency first. That's because
// that's the order we want our elements in.
@Override
public int compare(final SuggestedWordInfo o1, final SuggestedWordInfo o2) {
if (o1.mScore > o2.mScore) return -1;
if (o1.mScore < o2.mScore) return 1;
if (o1.mCodePointCount < o2.mCodePointCount) return -1;
if (o1.mCodePointCount > o2.mCodePointCount) return 1;
return o1.mWord.toString().compareTo(o2.mWord.toString());
}
}
private static final SuggestedWordInfoComparator sSuggestedWordInfoComparator =
new SuggestedWordInfoComparator();
public boolean addWord(final SuggestedWordInfo wordInfo,
final int dicTypeId, final int dataType,
final ArrayList<SuggestedWordInfo> suggestions, final String consideredWord) {
@ -399,11 +416,8 @@ public class Suggest {
&& suggestions.get(prefMaxSuggestions - 1).mScore >= score) return true;
final int length = wordInfo.mCodePointCount;
while (pos < suggestions.size()) {
final int curScore = suggestions.get(pos).mScore;
if (curScore < score
|| (curScore == score && length < suggestions.get(pos).mCodePointCount)) {
if (sSuggestedWordInfoComparator.compare(wordInfo, suggestions.get(pos)) < 0)
break;
}
pos++;
}
if (pos >= prefMaxSuggestions) {