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Handle user history dictionary as an ExpandableBinaryDictionary.

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Bug: 13755213
Change-Id: I1ea8a6df007af7153852f2d32bf5e8ec669c432b
This commit is contained in:
Keisuke Kuroyanagi 2014-04-24 14:48:01 -07:00
parent 978958a41f
commit 67c0ed8f8c
5 changed files with 49 additions and 55 deletions
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26
java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java
View file

@ -74,20 +74,18 @@ public class DictionaryFacilitatorForSuggest {
// TODO: Remove sub dictionary members and use mSubDictMap.
public final ContactsBinaryDictionary mContactsDictionary;
public final UserBinaryDictionary mUserDictionary;
public final UserHistoryDictionary mUserHistoryDictionary;
public final PersonalizationDictionary mPersonalizationDictionary;
public Dictionaries() {
mLocale = null;
mContactsDictionary = null;
mUserDictionary = null;
mUserHistoryDictionary = null;
mPersonalizationDictionary = null;
}
public Dictionaries(final Locale locale, final Dictionary mainDict,
final ContactsBinaryDictionary contactsDict, final UserBinaryDictionary userDict,
final UserHistoryDictionary userHistoryDict,
final ExpandableBinaryDictionary userHistoryDict,
final PersonalizationDictionary personalizationDict) {
mLocale = locale;
// Main dictionary can be asynchronously loaded.
@ -96,8 +94,7 @@ public class DictionaryFacilitatorForSuggest {
setSubDict(Dictionary.TYPE_CONTACTS, mContactsDictionary);
mUserDictionary = userDict;
setSubDict(Dictionary.TYPE_USER, mUserDictionary);
mUserHistoryDictionary = userHistoryDict;
setSubDict(Dictionary.TYPE_USER_HISTORY, mUserHistoryDictionary);
setSubDict(Dictionary.TYPE_USER_HISTORY, userHistoryDict);
mPersonalizationDictionary = personalizationDict;
setSubDict(Dictionary.TYPE_PERSONALIZATION, mPersonalizationDictionary);
}
@ -193,9 +190,9 @@ public class DictionaryFacilitatorForSuggest {
}
// Open or move user history dictionary.
final UserHistoryDictionary newUserHistoryDict;
final ExpandableBinaryDictionary newUserHistoryDict;
if (!closeUserHistoryDictionary && mDictionaries.hasDict(Dictionary.TYPE_USER_HISTORY)) {
newUserHistoryDict = mDictionaries.mUserHistoryDictionary;
newUserHistoryDict = mDictionaries.getSubDict(Dictionary.TYPE_USER_HISTORY);
} else if (usePersonalizedDicts) {
newUserHistoryDict = PersonalizationHelper.getUserHistoryDictionary(context, newLocale);
} else {
@ -353,7 +350,7 @@ public class DictionaryFacilitatorForSuggest {
final PersonalizationDictionary personalizationDict =
mDictionaries.mPersonalizationDictionary;
if (personalizationDict != null) {
personalizationDict.flush();
personalizationDict.asyncFlushBinaryDictionary();
}
}
@ -391,7 +388,9 @@ public class DictionaryFacilitatorForSuggest {
public void addToUserHistory(final String suggestion, final boolean wasAutoCapitalized,
final String previousWord, final int timeStampInSeconds) {
final Dictionaries dictionaries = mDictionaries;
if (!dictionaries.hasDict(Dictionary.TYPE_USER_HISTORY)) {
final ExpandableBinaryDictionary userHistoryDictionary =
dictionaries.getSubDict(Dictionary.TYPE_USER_HISTORY);
if (userHistoryDictionary != null) {
return;
}
final int maxFreq = getMaxFrequency(suggestion);
@ -433,14 +432,15 @@ public class DictionaryFacilitatorForSuggest {
// We demote unrecognized words (frequency < 0, below) by specifying them as "invalid".
// We don't add words with 0-frequency (assuming they would be profanity etc.).
final boolean isValid = maxFreq > 0;
dictionaries.mUserHistoryDictionary.addToDictionary(
previousWord, secondWord, isValid, timeStampInSeconds);
UserHistoryDictionary.addToDictionary(userHistoryDictionary, previousWord, secondWord,
isValid, timeStampInSeconds);
}
public void cancelAddingUserHistory(final String previousWord, final String committedWord) {
final UserHistoryDictionary userHistoryDictionary = mDictionaries.mUserHistoryDictionary;
final ExpandableBinaryDictionary userHistoryDictionary =
mDictionaries.getSubDict(Dictionary.TYPE_USER_HISTORY);
if (userHistoryDictionary != null) {
userHistoryDictionary.cancelAddingUserHistory(previousWord, committedWord);
userHistoryDictionary.removeBigramDynamically(previousWord, committedWord);
}
}

8
java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
View file

@ -298,7 +298,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
/**
* Dynamically adds a word unigram to the dictionary. May overwrite an existing entry.
*/
protected void addWordDynamically(final String word, final int frequency,
public void addWordDynamically(final String word, final int frequency,
final String shortcutTarget, final int shortcutFreq, final boolean isNotAWord,
final boolean isBlacklisted, final int timestamp) {
reloadDictionaryIfRequired();
@ -325,7 +325,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
/**
* Dynamically adds a word bigram in the dictionary. May overwrite an existing entry.
*/
protected void addBigramDynamically(final String word0, final String word1,
public void addBigramDynamically(final String word0, final String word1,
final int frequency, final int timestamp) {
reloadDictionaryIfRequired();
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@ -348,7 +348,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
/**
* Dynamically remove a word bigram in the dictionary.
*/
protected void removeBigramDynamically(final String word0, final String word1) {
public void removeBigramDynamically(final String word0, final String word1) {
reloadDictionaryIfRequired();
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override
@ -634,7 +634,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
/**
* Flush binary dictionary to dictionary file.
*/
protected void asyncFlushBinaryDictionary() {
public void asyncFlushBinaryDictionary() {
final Runnable newTask = new Runnable() {
@Override
public void run() {

33
java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
View file

@ -65,12 +65,8 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
dumpAllWordsForDebug();
}
// Flush pending writes.
flush();
super.close();
}
public void flush() {
asyncFlushBinaryDictionary();
super.close();
}
@Override
@ -103,33 +99,6 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
addMultipleDictionaryEntriesDynamically(languageModelParams, callback);
}
/**
* Pair will be added to the decaying dictionary.
*
* The first word may be null. That means we don't know the context, in other words,
* it's only a unigram. The first word may also be an empty string : this means start
* context, as in beginning of a sentence for example.
* The second word may not be null (a NullPointerException would be thrown).
*/
public void addToDictionary(final String word0, final String word1, final boolean isValid,
final int timestamp) {
if (word1.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH ||
(word0 != null && word0.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH)) {
return;
}
final int frequency = isValid ?
FREQUENCY_FOR_WORDS_IN_DICTS : FREQUENCY_FOR_WORDS_NOT_IN_DICTS;
addWordDynamically(word1, frequency, null /* shortcutTarget */, 0 /* shortcutFreq */,
false /* isNotAWord */, false /* isBlacklisted */, timestamp);
// Do not insert a word as a bigram of itself
if (word1.equals(word0)) {
return;
}
if (null != word0) {
addBigramDynamically(word0, word1, frequency, timestamp);
}
}
@Override
protected void loadInitialContentsLocked() {
// No initial contents.

33
java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
View file

@ -18,7 +18,9 @@ package com.android.inputmethod.latin.personalization;
import android.content.Context;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.Dictionary;
import com.android.inputmethod.latin.ExpandableBinaryDictionary;
import java.io.File;
import java.util.Locale;
@ -40,13 +42,36 @@ public class UserHistoryDictionary extends DecayingExpandableBinaryDictionaryBas
dictFile);
}
public void cancelAddingUserHistory(final String word0, final String word1) {
removeBigramDynamically(word0, word1);
}
@Override
public boolean isValidWord(final String word) {
// Strings out of this dictionary should not be considered existing words.
return false;
}
/**
* Pair will be added to the user history dictionary.
*
* The first word may be null. That means we don't know the context, in other words,
* it's only a unigram. The first word may also be an empty string : this means start
* context, as in beginning of a sentence for example.
* The second word may not be null (a NullPointerException would be thrown).
*/
public static void addToDictionary(final ExpandableBinaryDictionary userHistoryDictionary,
final String word0, final String word1, final boolean isValid, final int timestamp) {
if (word1.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH ||
(word0 != null && word0.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH)) {
return;
}
final int frequency = isValid ?
FREQUENCY_FOR_WORDS_IN_DICTS : FREQUENCY_FOR_WORDS_NOT_IN_DICTS;
userHistoryDictionary.addWordDynamically(word1, frequency, null /* shortcutTarget */,
0 /* shortcutFreq */, false /* isNotAWord */, false /* isBlacklisted */, timestamp);
// Do not insert a word as a bigram of itself
if (word1.equals(word0)) {
return;
}
if (null != word0) {
userHistoryDictionary.addBigramDynamically(word0, word1, frequency, timestamp);
}
}
}

4
tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
View file

@ -111,7 +111,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
private static void addToDict(final UserHistoryDictionary dict, final List<String> words) {
String prevWord = null;
for (String word : words) {
dict.addToDictionary(prevWord, word, true,
UserHistoryDictionary.addToDictionary(dict, prevWord, word, true,
(int)TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()));
prevWord = word;
}
@ -262,7 +262,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
dict.waitAllTasksForTests();
String prevWord = null;
for (final String word : words) {
dict.addToDictionary(prevWord, word, true, mCurrentTime);
UserHistoryDictionary.addToDictionary(dict, prevWord, word, true, mCurrentTime);
prevWord = word;
assertTrue(dict.isInUnderlyingBinaryDictionaryForTests(word));
}