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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef LATINIME_SUGGESTION_RESULTS_H
     18 #define LATINIME_SUGGESTION_RESULTS_H
     19 
     20 #include <queue>
     21 #include <vector>
     22 
     23 #include "defines.h"
     24 #include "jni.h"
     25 #include "suggest/core/result/suggested_word.h"
     26 
     27 namespace latinime {
     28 
     29 class SuggestionResults {
     30  public:
     31     explicit SuggestionResults(const int maxSuggestionCount)
     32             : mMaxSuggestionCount(maxSuggestionCount),
     33               mWeightOfLangModelVsSpatialModel(NOT_A_WEIGHT_OF_LANG_MODEL_VS_SPATIAL_MODEL),
     34               mSuggestedWords() {}
     35 
     36     // Returns suggestion count.
     37     void outputSuggestions(JNIEnv *env, jintArray outSuggestionCount, jintArray outCodePointsArray,
     38             jintArray outScoresArray, jintArray outSpaceIndicesArray, jintArray outTypesArray,
     39             jintArray outAutoCommitFirstWordConfidenceArray,
     40             jfloatArray outWeightOfLangModelVsSpatialModel);
     41     void addPrediction(const int *const codePoints, const int codePointCount, const int score);
     42     void addSuggestion(const int *const codePoints, const int codePointCount,
     43             const int score, const int type, const int indexToPartialCommit,
     44             const int autocimmitFirstWordConfindence);
     45     void getSortedScores(int *const outScores) const;
     46     void dumpSuggestions() const;
     47 
     48     void setWeightOfLangModelVsSpatialModel(const float weightOfLangModelVsSpatialModel) {
     49         mWeightOfLangModelVsSpatialModel = weightOfLangModelVsSpatialModel;
     50     }
     51 
     52     int getSuggestionCount() const {
     53         return mSuggestedWords.size();
     54     }
     55 
     56  private:
     57     DISALLOW_IMPLICIT_CONSTRUCTORS(SuggestionResults);
     58 
     59     const int mMaxSuggestionCount;
     60     float mWeightOfLangModelVsSpatialModel;
     61     std::priority_queue<
     62             SuggestedWord, std::vector<SuggestedWord>, SuggestedWord::Comparator> mSuggestedWords;
     63 };
     64 } // namespace latinime
     65 #endif // LATINIME_SUGGESTION_RESULTS_H
     66