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am 841aa0b6: Merge "Move HistoricalInfo to property and use it in *Property." 

* commit '841aa0b6f8e969cb18f35fc80728190b0fda1c01':
  Move HistoricalInfo to property and use it in *Property.
main
Keisuke Kuroyanagi 2014-10-01 09:25:22 +00:00 committed by Android Git Automerger
parent c2c9a8088b 841aa0b6f8
commit b4233779b1
21 changed files with 64 additions and 89 deletions
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11
native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
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@ -373,7 +373,8 @@ static bool latinime_BinaryDictionary_addUnigramEntry(JNIEnv *env, jclass clazz,
}
// Use 1 for count to indicate the word has inputted.
const UnigramProperty unigramProperty(isBeginningOfSentence, isNotAWord,
isBlacklisted, probability, timestamp, 0 /* level */, 1 /* count */, &shortcuts);
isBlacklisted, probability, HistoricalInfo(timestamp, 0 /* level */, 1 /* count */),
&shortcuts);
return dictionary->addUnigramEntry(CodePointArrayView(codePoints, codePointCount),
&unigramProperty);
}
@ -405,7 +406,7 @@ static bool latinime_BinaryDictionary_addNgramEntry(JNIEnv *env, jclass clazz, j
env->GetIntArrayRegion(word, 0, wordLength, wordCodePoints);
// Use 1 for count to indicate the ngram has inputted.
const NgramProperty ngramProperty(CodePointArrayView(wordCodePoints, wordLength).toVector(),
probability, timestamp, 0 /* level */, 1 /* count */);
probability, HistoricalInfo(timestamp, 0 /* level */, 1 /* count */));
return dictionary->addNgramEntry(&prevWordsInfo, &ngramProperty);
}
@ -494,8 +495,8 @@ static int latinime_BinaryDictionary_addMultipleDictionaryEntries(JNIEnv *env, j
}
// Use 1 for count to indicate the word has inputted.
const UnigramProperty unigramProperty(false /* isBeginningOfSentence */, isNotAWord,
isBlacklisted, unigramProbability, timestamp, 0 /* level */, 1 /* count */,
&shortcuts);
isBlacklisted, unigramProbability,
HistoricalInfo(timestamp, 0 /* level */, 1 /* count */), &shortcuts);
dictionary->addUnigramEntry(CodePointArrayView(word1CodePoints, word1Length),
&unigramProperty);
if (word0) {
@ -503,7 +504,7 @@ static int latinime_BinaryDictionary_addMultipleDictionaryEntries(JNIEnv *env, j
// Use 1 for count to indicate the bigram has inputted.
const NgramProperty ngramProperty(
CodePointArrayView(word1CodePoints, word1Length).toVector(),
bigramProbability, timestamp, 0 /* level */, 1 /* count */);
bigramProbability, HistoricalInfo(timestamp, 0 /* level */, 1 /* count */));
const PrevWordsInfo prevWordsInfo(word0CodePoints, word0Length,
false /* isBeginningOfSentence */);
dictionary->addNgramEntry(&prevWordsInfo, &ngramProperty);

12
native/jni/src/suggest/policyimpl/dictionary/utils/historical_info.h → native/jni/src/suggest/core/dictionary/property/historical_info.h
View File

@ -34,7 +34,7 @@ class HistoricalInfo {
return mTimestamp != NOT_A_TIMESTAMP;
}
int getTimeStamp() const {
int getTimestamp() const {
return mTimestamp;
}
@ -47,12 +47,12 @@ class HistoricalInfo {
}
private:
// Copy constructor is public to use this class as a type of return value.
DISALLOW_ASSIGNMENT_OPERATOR(HistoricalInfo);
// Default copy constructor and assign operator are used for using in std::vector.
const int mTimestamp;
const int mLevel;
const int mCount;
// TODO: Make members const.
int mTimestamp;
int mLevel;
int mCount;
};
} // namespace latinime
#endif /* LATINIME_HISTORICAL_INFO_H */

21
native/jni/src/suggest/core/dictionary/property/ngram_property.h
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@ -20,15 +20,16 @@
#include <vector>
#include "defines.h"
#include "suggest/core/dictionary/property/historical_info.h"
namespace latinime {
class NgramProperty {
public:
NgramProperty(const std::vector<int> &&targetCodePoints, const int probability,
const int timestamp, const int level, const int count)
const HistoricalInfo &historicalInfo)
: mTargetCodePoints(std::move(targetCodePoints)), mProbability(probability),
mTimestamp(timestamp), mLevel(level), mCount(count) {}
mHistoricalInfo(historicalInfo) {}
const std::vector<int> *getTargetCodePoints() const {
return &mTargetCodePoints;
@ -38,16 +39,8 @@ class NgramProperty {
return mProbability;
}
int getTimestamp() const {
return mTimestamp;
}
int getLevel() const {
return mLevel;
}
int getCount() const {
return mCount;
const HistoricalInfo getHistoricalInfo() const {
return mHistoricalInfo;
}
private:
@ -57,9 +50,7 @@ class NgramProperty {
// TODO: Make members const.
std::vector<int> mTargetCodePoints;
int mProbability;
int mTimestamp;
int mLevel;
int mCount;
HistoricalInfo mHistoricalInfo;
};
} // namespace latinime
#endif // LATINIME_NGRAM_PROPERTY_H

27
native/jni/src/suggest/core/dictionary/property/unigram_property.h
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@ -20,6 +20,7 @@
#include <vector>
#include "defines.h"
#include "suggest/core/dictionary/property/historical_info.h"
namespace latinime {
@ -50,15 +51,14 @@ class UnigramProperty {
UnigramProperty()
: mRepresentsBeginningOfSentence(false), mIsNotAWord(false), mIsBlacklisted(false),
mProbability(NOT_A_PROBABILITY), mTimestamp(NOT_A_TIMESTAMP), mLevel(0), mCount(0),
mShortcuts() {}
mProbability(NOT_A_PROBABILITY), mHistoricalInfo(), mShortcuts() {}
UnigramProperty(const bool representsBeginningOfSentence, const bool isNotAWord,
const bool isBlacklisted, const int probability, const int timestamp, const int level,
const int count, const std::vector<ShortcutProperty> *const shortcuts)
const bool isBlacklisted, const int probability, const HistoricalInfo &historicalInfo,
const std::vector<ShortcutProperty> *const shortcuts)
: mRepresentsBeginningOfSentence(representsBeginningOfSentence),
mIsNotAWord(isNotAWord), mIsBlacklisted(isBlacklisted), mProbability(probability),
mTimestamp(timestamp), mLevel(level), mCount(count), mShortcuts(*shortcuts) {}
mHistoricalInfo(historicalInfo), mShortcuts(*shortcuts) {}
bool representsBeginningOfSentence() const {
return mRepresentsBeginningOfSentence;
@ -85,16 +85,8 @@ class UnigramProperty {
return mProbability;
}
int getTimestamp() const {
return mTimestamp;
}
int getLevel() const {
return mLevel;
}
int getCount() const {
return mCount;
const HistoricalInfo getHistoricalInfo() const {
return mHistoricalInfo;
}
const std::vector<ShortcutProperty> &getShortcuts() const {
@ -110,10 +102,7 @@ class UnigramProperty {
bool mIsNotAWord;
bool mIsBlacklisted;
int mProbability;
// Historical information
int mTimestamp;
int mLevel;
int mCount;
HistoricalInfo mHistoricalInfo;
std::vector<ShortcutProperty> mShortcuts;
};
} // namespace latinime

12
native/jni/src/suggest/core/dictionary/property/word_property.cpp
View File

@ -17,6 +17,7 @@
#include "suggest/core/dictionary/property/word_property.h"
#include "utils/jni_data_utils.h"
#include "suggest/core/dictionary/property/historical_info.h"
namespace latinime {
@ -31,8 +32,9 @@ void WordProperty::outputProperties(JNIEnv *const env, jintArray outCodePoints,
!mNgrams.empty(), mUnigramProperty.hasShortcuts(),
mUnigramProperty.representsBeginningOfSentence()};
env->SetBooleanArrayRegion(outFlags, 0 /* start */, NELEMS(flags), flags);
int probabilityInfo[] = {mUnigramProperty.getProbability(), mUnigramProperty.getTimestamp(),
mUnigramProperty.getLevel(), mUnigramProperty.getCount()};
const HistoricalInfo &historicalInfo = mUnigramProperty.getHistoricalInfo();
int probabilityInfo[] = {mUnigramProperty.getProbability(), historicalInfo.getTimestamp(),
historicalInfo.getLevel(), historicalInfo.getCount()};
env->SetIntArrayRegion(outProbabilityInfo, 0 /* start */, NELEMS(probabilityInfo),
probabilityInfo);
@ -51,10 +53,10 @@ void WordProperty::outputProperties(JNIEnv *const env, jintArray outCodePoints,
false /* needsNullTermination */);
env->CallBooleanMethod(outBigramTargets, addMethodId, bigramWord1CodePointArray);
env->DeleteLocalRef(bigramWord1CodePointArray);
const HistoricalInfo &ngramHistoricalInfo = ngramProperty.getHistoricalInfo();
int bigramProbabilityInfo[] = {ngramProperty.getProbability(),
ngramProperty.getTimestamp(), ngramProperty.getLevel(),
ngramProperty.getCount()};
ngramHistoricalInfo.getTimestamp(), ngramHistoricalInfo.getLevel(),
ngramHistoricalInfo.getCount()};
jintArray bigramProbabilityInfoArray = env->NewIntArray(NELEMS(bigramProbabilityInfo));
env->SetIntArrayRegion(bigramProbabilityInfoArray, 0 /* start */,
NELEMS(bigramProbabilityInfo), bigramProbabilityInfo);

3
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/bigram/ver4_bigram_list_policy.cpp
View File

@ -267,8 +267,7 @@ const BigramEntry Ver4BigramListPolicy::createUpdatedBigramEntryFrom(
const NgramProperty *const ngramProperty) const {
// TODO: Consolidate historical info and probability.
if (mHeaderPolicy->hasHistoricalInfoOfWords()) {
const HistoricalInfo historicalInfoForUpdate(ngramProperty->getTimestamp(),
ngramProperty->getLevel(), ngramProperty->getCount());
const HistoricalInfo &historicalInfoForUpdate = ngramProperty->getHistoricalInfo();
const HistoricalInfo updatedHistoricalInfo =
ForgettingCurveUtils::createUpdatedHistoricalInfo(
originalBigramEntry->getHistoricalInfo(), ngramProperty->getProbability(),

4
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/bigram_dict_content.cpp
View File

@ -83,10 +83,10 @@ bool BigramDictContent::writeBigramEntryAndAdvancePosition(
}
if (mHasHistoricalInfo) {
const HistoricalInfo *const historicalInfo = bigramEntryToWrite->getHistoricalInfo();
if (!bigramListBuffer->writeUintAndAdvancePosition(historicalInfo->getTimeStamp(),
if (!bigramListBuffer->writeUintAndAdvancePosition(historicalInfo->getTimestamp(),
Ver4DictConstants::TIME_STAMP_FIELD_SIZE, entryWritingPos)) {
AKLOGE("Cannot write bigram timestamps. pos: %d, timestamp: %d", *entryWritingPos,
historicalInfo->getTimeStamp());
historicalInfo->getTimestamp());
return false;
}
if (!bigramListBuffer->writeUintAndAdvancePosition(historicalInfo->getLevel(),

2
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/bigram_entry.h
View File

@ -25,8 +25,8 @@
#define LATINIME_BACKWARD_V402_BIGRAM_ENTRY_H
#include "defines.h"
#include "suggest/core/dictionary/property/historical_info.h"
#include "suggest/policyimpl/dictionary/structure/backward/v402/ver4_dict_constants.h"
#include "suggest/policyimpl/dictionary/utils/historical_info.h"
namespace latinime {
namespace backward {

2
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/probability_dict_content.cpp
View File

@ -147,7 +147,7 @@ bool ProbabilityDictContent::writeEntry(const ProbabilityEntry *const probabilit
}
if (mHasHistoricalInfo) {
const HistoricalInfo *const historicalInfo = probabilityEntry->getHistoricalInfo();
if (!bufferToWrite->writeUintAndAdvancePosition(historicalInfo->getTimeStamp(),
if (!bufferToWrite->writeUintAndAdvancePosition(historicalInfo->getTimestamp(),
Ver4DictConstants::TIME_STAMP_FIELD_SIZE, &writingPos)) {
AKLOGE("Cannot write timestamp in probability dict content. pos: %d", writingPos);
return false;

2
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/content/probability_entry.h
View File

@ -25,8 +25,8 @@
#define LATINIME_BACKWARD_V402_PROBABILITY_ENTRY_H
#include "defines.h"
#include "suggest/core/dictionary/property/historical_info.h"
#include "suggest/policyimpl/dictionary/structure/backward/v402/ver4_dict_constants.h"
#include "suggest/policyimpl/dictionary/utils/historical_info.h"
namespace latinime {
namespace backward {

3
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_node_writer.cpp
View File

@ -396,8 +396,7 @@ const ProbabilityEntry Ver4PatriciaTrieNodeWriter::createUpdatedEntryFrom(
const UnigramProperty *const unigramProperty) const {
// TODO: Consolidate historical info and probability.
if (mHeaderPolicy->hasHistoricalInfoOfWords()) {
const HistoricalInfo historicalInfoForUpdate(unigramProperty->getTimestamp(),
unigramProperty->getLevel(), unigramProperty->getCount());
const HistoricalInfo &historicalInfoForUpdate = unigramProperty->getHistoricalInfo();
const HistoricalInfo updatedHistoricalInfo =
ForgettingCurveUtils::createUpdatedHistoricalInfo(
originalProbabilityEntry->getHistoricalInfo(),

8
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_policy.cpp
View File

@ -343,7 +343,7 @@ bool Ver4PatriciaTriePolicy::addNgramEntry(const PrevWordsInfo *const prevWordsI
const UnigramProperty beginningOfSentenceUnigramProperty(
true /* representsBeginningOfSentence */, true /* isNotAWord */,
false /* isBlacklisted */, MAX_PROBABILITY /* probability */,
NOT_A_TIMESTAMP /* timestamp */, 0 /* level */, 0 /* count */, &shortcuts);
HistoricalInfo(), &shortcuts);
if (!addUnigramEntry(prevWordsInfo->getNthPrevWordCodePoints(1 /* n */),
&beginningOfSentenceUnigramProperty)) {
AKLOGE("Cannot add unigram entry for the beginning-of-sentence.");
@ -528,8 +528,7 @@ const WordProperty Ver4PatriciaTriePolicy::getWordProperty(
bigramEntry.getProbability();
ngrams.emplace_back(
CodePointArrayView(bigramWord1CodePoints, codePointCount).toVector(),
probability, historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
historicalInfo->getCount());
probability, *historicalInfo);
}
}
// Fetch shortcut information.
@ -552,8 +551,7 @@ const WordProperty Ver4PatriciaTriePolicy::getWordProperty(
}
const UnigramProperty unigramProperty(ptNodeParams.representsBeginningOfSentence(),
ptNodeParams.isNotAWord(), ptNodeParams.isBlacklisted(), ptNodeParams.getProbability(),
historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
historicalInfo->getCount(), &shortcuts);
*historicalInfo, &shortcuts);
return WordProperty(wordCodePoints.toVector(), &unigramProperty, &ngrams);
}

4
native/jni/src/suggest/policyimpl/dictionary/structure/backward/v402/ver4_patricia_trie_writing_helper.cpp
View File

@ -216,7 +216,7 @@ bool Ver4PatriciaTrieWritingHelper::truncateUnigrams(
probabilityEntry.getHistoricalInfo(), mBuffers->getHeaderPolicy()) :
probabilityEntry.getProbability();
priorityQueue.push(DictProbability(terminalPos, probability,
probabilityEntry.getHistoricalInfo()->getTimeStamp()));
probabilityEntry.getHistoricalInfo()->getTimestamp()));
}
// Delete unigrams.
@ -263,7 +263,7 @@ bool Ver4PatriciaTrieWritingHelper::truncateBigrams(const int maxBigramCount) {
bigramEntry.getHistoricalInfo(), mBuffers->getHeaderPolicy()) :
bigramEntry.getProbability();
priorityQueue.push(DictProbability(entryPos, probability,
bigramEntry.getHistoricalInfo()->getTimeStamp()));
bigramEntry.getHistoricalInfo()->getTimestamp()));
}
}

4
native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
View File

@ -452,7 +452,7 @@ const WordProperty PatriciaTriePolicy::getWordProperty(
const int probability = getProbability(word1Probability, bigramsIt.getProbability());
ngrams.emplace_back(
CodePointArrayView(bigramWord1CodePoints, word1CodePointCount).toVector(),
probability, NOT_A_TIMESTAMP /* timestamp */, 0 /* level */, 0 /* count */);
probability, HistoricalInfo());
}
}
// Fetch shortcut information.
@ -477,7 +477,7 @@ const WordProperty PatriciaTriePolicy::getWordProperty(
}
const UnigramProperty unigramProperty(ptNodeParams.representsBeginningOfSentence(),
ptNodeParams.isNotAWord(), ptNodeParams.isBlacklisted(), ptNodeParams.getProbability(),
NOT_A_TIMESTAMP /* timestamp */, 0 /* level */, 0 /* count */, &shortcuts);
HistoricalInfo(), &shortcuts);
return WordProperty(wordCodePoints.toVector(), &unigramProperty, &ngrams);
}

2
native/jni/src/suggest/policyimpl/dictionary/structure/v4/content/language_model_dict_content.cpp
View File

@ -296,7 +296,7 @@ bool LanguageModelDictContent::getEntryInfo(const HeaderPolicy *const headerPoli
ForgettingCurveUtils::decodeProbability(probabilityEntry.getHistoricalInfo(),
headerPolicy) : probabilityEntry.getProbability();
outEntryInfo->emplace_back(probability,
probabilityEntry.getHistoricalInfo()->getTimeStamp(),
probabilityEntry.getHistoricalInfo()->getTimestamp(),
entry.key(), targetLevel, prevWordIds->data());
}
return true;

10
native/jni/src/suggest/policyimpl/dictionary/structure/v4/content/probability_entry.h
View File

@ -21,10 +21,10 @@
#include <cstdint>
#include "defines.h"
#include "suggest/core/dictionary/property/historical_info.h"
#include "suggest/core/dictionary/property/ngram_property.h"
#include "suggest/core/dictionary/property/unigram_property.h"
#include "suggest/policyimpl/dictionary/structure/v4/ver4_dict_constants.h"
#include "suggest/policyimpl/dictionary/utils/historical_info.h"
namespace latinime {
@ -53,15 +53,13 @@ class ProbabilityEntry {
unigramProperty->isNotAWord(), unigramProperty->isBlacklisted(),
unigramProperty->isPossiblyOffensive())),
mProbability(unigramProperty->getProbability()),
mHistoricalInfo(unigramProperty->getTimestamp(), unigramProperty->getLevel(),
unigramProperty->getCount()) {}
mHistoricalInfo(unigramProperty->getHistoricalInfo()) {}
// Create from ngram property.
// TODO: Set flags.
ProbabilityEntry(const NgramProperty *const ngramProperty)
: mFlags(0), mProbability(ngramProperty->getProbability()),
mHistoricalInfo(ngramProperty->getTimestamp(), ngramProperty->getLevel(),
ngramProperty->getCount()) {}
mHistoricalInfo(ngramProperty->getHistoricalInfo()) {}
bool isValid() const {
return (mFlags & Ver4DictConstants::FLAG_NOT_A_VALID_ENTRY) == 0;
@ -103,7 +101,7 @@ class ProbabilityEntry {
uint64_t encodedEntry = static_cast<uint64_t>(mFlags);
if (hasHistoricalInfo) {
encodedEntry = (encodedEntry << (Ver4DictConstants::TIME_STAMP_FIELD_SIZE * CHAR_BIT))
^ static_cast<uint64_t>(mHistoricalInfo.getTimeStamp());
^ static_cast<uint64_t>(mHistoricalInfo.getTimestamp());
encodedEntry = (encodedEntry << (Ver4DictConstants::WORD_LEVEL_FIELD_SIZE * CHAR_BIT))
^ static_cast<uint64_t>(mHistoricalInfo.getLevel());
encodedEntry = (encodedEntry << (Ver4DictConstants::WORD_COUNT_FIELD_SIZE * CHAR_BIT))

8
native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
View File

@ -302,7 +302,7 @@ bool Ver4PatriciaTriePolicy::addNgramEntry(const PrevWordsInfo *const prevWordsI
const UnigramProperty beginningOfSentenceUnigramProperty(
true /* representsBeginningOfSentence */, true /* isNotAWord */,
false /* isBlacklisted */, MAX_PROBABILITY /* probability */,
NOT_A_TIMESTAMP /* timestamp */, 0 /* level */, 0 /* count */, &shortcuts);
HistoricalInfo(), &shortcuts);
if (!addUnigramEntry(prevWordsInfo->getNthPrevWordCodePoints(1 /* n */),
&beginningOfSentenceUnigramProperty)) {
AKLOGE("Cannot add unigram entry for the beginning-of-sentence.");
@ -464,8 +464,7 @@ const WordProperty Ver4PatriciaTriePolicy::getWordProperty(
ForgettingCurveUtils::decodeProbability(historicalInfo, mHeaderPolicy) :
probabilityEntry.getProbability();
ngrams.emplace_back(CodePointArrayView(bigramWord1CodePoints, codePointCount).toVector(),
probability, historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
historicalInfo->getCount());
probability, *historicalInfo);
}
// Fetch shortcut information.
std::vector<UnigramProperty::ShortcutProperty> shortcuts;
@ -487,8 +486,7 @@ const WordProperty Ver4PatriciaTriePolicy::getWordProperty(
}
const UnigramProperty unigramProperty(probabilityEntry.representsBeginningOfSentence(),
probabilityEntry.isNotAWord(), probabilityEntry.isBlacklisted(),
probabilityEntry.getProbability(), historicalInfo->getTimeStamp(),
historicalInfo->getLevel(), historicalInfo->getCount(), &shortcuts);
probabilityEntry.getProbability(), *historicalInfo, &shortcuts);
return WordProperty(wordCodePoints.toVector(), &unigramProperty, &ngrams);
}

12
native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.cpp
View File

@ -43,7 +43,7 @@ const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityT
/* static */ const HistoricalInfo ForgettingCurveUtils::createUpdatedHistoricalInfo(
const HistoricalInfo *const originalHistoricalInfo, const int newProbability,
const HistoricalInfo *const newHistoricalInfo, const HeaderPolicy *const headerPolicy) {
const int timestamp = newHistoricalInfo->getTimeStamp();
const int timestamp = newHistoricalInfo->getTimestamp();
if (newProbability != NOT_A_PROBABILITY && originalHistoricalInfo->getLevel() == 0) {
// Add entry as a valid word.
const int level = clampToVisibleEntryLevelRange(newHistoricalInfo->getLevel());
@ -78,7 +78,7 @@ const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityT
/* static */ int ForgettingCurveUtils::decodeProbability(
const HistoricalInfo *const historicalInfo, const HeaderPolicy *const headerPolicy) {
const int elapsedTimeStepCount = getElapsedTimeStepCount(historicalInfo->getTimeStamp(),
const int elapsedTimeStepCount = getElapsedTimeStepCount(historicalInfo->getTimestamp(),
headerPolicy->getForgettingCurveDurationToLevelDown());
return sProbabilityTable.getProbability(
headerPolicy->getForgettingCurveProbabilityValuesTableId(),
@ -102,7 +102,7 @@ const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityT
/* static */ bool ForgettingCurveUtils::needsToKeep(const HistoricalInfo *const historicalInfo,
const HeaderPolicy *const headerPolicy) {
return historicalInfo->getLevel() > 0
|| getElapsedTimeStepCount(historicalInfo->getTimeStamp(),
|| getElapsedTimeStepCount(historicalInfo->getTimestamp(),
headerPolicy->getForgettingCurveDurationToLevelDown())
< DISCARD_LEVEL_ZERO_ENTRY_TIME_STEP_COUNT_THRESHOLD;
}
@ -110,12 +110,12 @@ const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityT
/* static */ const HistoricalInfo ForgettingCurveUtils::createHistoricalInfoToSave(
const HistoricalInfo *const originalHistoricalInfo,
const HeaderPolicy *const headerPolicy) {
if (originalHistoricalInfo->getTimeStamp() == NOT_A_TIMESTAMP) {
if (originalHistoricalInfo->getTimestamp() == NOT_A_TIMESTAMP) {
return HistoricalInfo();
}
const int durationToLevelDownInSeconds = headerPolicy->getForgettingCurveDurationToLevelDown();
const int elapsedTimeStep = getElapsedTimeStepCount(
originalHistoricalInfo->getTimeStamp(), durationToLevelDownInSeconds);
originalHistoricalInfo->getTimestamp(), durationToLevelDownInSeconds);
if (elapsedTimeStep <= MAX_ELAPSED_TIME_STEP_COUNT) {
// No need to update historical info.
return *originalHistoricalInfo;
@ -124,7 +124,7 @@ const ForgettingCurveUtils::ProbabilityTable ForgettingCurveUtils::sProbabilityT
const int maxLevelDownAmonut = elapsedTimeStep / (MAX_ELAPSED_TIME_STEP_COUNT + 1);
const int levelDownAmount = (maxLevelDownAmonut >= originalHistoricalInfo->getLevel()) ?
originalHistoricalInfo->getLevel() : maxLevelDownAmonut;
const int adjustedTimestampInSeconds = originalHistoricalInfo->getTimeStamp() +
const int adjustedTimestampInSeconds = originalHistoricalInfo->getTimestamp() +
levelDownAmount * durationToLevelDownInSeconds;
return HistoricalInfo(adjustedTimestampInSeconds,
originalHistoricalInfo->getLevel() - levelDownAmount, 0 /* count */);

2
native/jni/src/suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h
View File

@ -20,7 +20,7 @@
#include <vector>
#include "defines.h"
#include "suggest/policyimpl/dictionary/utils/historical_info.h"
#include "suggest/core/dictionary/property/historical_info.h"
namespace latinime {

2
native/jni/tests/suggest/policyimpl/dictionary/structure/v4/content/language_model_dict_content_test.cpp
View File

@ -60,7 +60,7 @@ TEST(LanguageModelDictContentTest, TestUnigramProbabilityWithHistoricalInfo) {
languageModelDictContent.setProbabilityEntry(wordId, &probabilityEntry);
const ProbabilityEntry entry = languageModelDictContent.getProbabilityEntry(wordId);
EXPECT_EQ(flag, entry.getFlags());
EXPECT_EQ(timestamp, entry.getHistoricalInfo()->getTimeStamp());
EXPECT_EQ(timestamp, entry.getHistoricalInfo()->getTimestamp());
EXPECT_EQ(level, entry.getHistoricalInfo()->getLevel());
EXPECT_EQ(count, entry.getHistoricalInfo()->getCount());

2
native/jni/tests/suggest/policyimpl/dictionary/structure/v4/content/probability_entry_test.cpp
View File

@ -51,7 +51,7 @@ TEST(ProbabilityEntryTest, TestEncodeDecodeWithHistoricalInfo) {
ProbabilityEntry::decode(encodedEntry, true /* hasHistoricalInfo */);
EXPECT_EQ(flag, decodedEntry.getFlags());
EXPECT_EQ(timestamp, decodedEntry.getHistoricalInfo()->getTimeStamp());
EXPECT_EQ(timestamp, decodedEntry.getHistoricalInfo()->getTimestamp());
EXPECT_EQ(level, decodedEntry.getHistoricalInfo()->getLevel());
EXPECT_EQ(count, decodedEntry.getHistoricalInfo()->getCount());
}