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:
SuggestionResults(const int maxSuggestionCount)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 
setWeightOfLangModelVsSpatialModel(const float weightOfLangModelVsSpatialModel)48     void setWeightOfLangModelVsSpatialModel(const float weightOfLangModelVsSpatialModel) {
49         mWeightOfLangModelVsSpatialModel = weightOfLangModelVsSpatialModel;
50     }
51 
getSuggestionCount()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