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Use dynamic operations to construct all ver4 dicts. 

Bug: 8187060
Bug: 13127350
Change-Id: I081ee904c41898128efa8ba7a1bf3fa0a46c6231
main
Keisuke Kuroyanagi 2014-02-27 23:21:09 +09:00
parent d1394b6986
commit ea89cb40b7
9 changed files with 150 additions and 414 deletions
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72
java/src/com/android/inputmethod/latin/AbstractDictionaryWriter.java
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@ -1,72 +0,0 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin;
import android.util.Log;
import com.android.inputmethod.latin.makedict.DictEncoder;
import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
import com.android.inputmethod.latin.makedict.Ver4DictEncoder;
import com.android.inputmethod.latin.utils.FileUtils;
import java.io.File;
import java.io.IOException;
import java.util.Map;
abstract public class AbstractDictionaryWriter {
/** Used for Log actions from this class */
private static final String TAG = AbstractDictionaryWriter.class.getSimpleName();
public AbstractDictionaryWriter() {
}
abstract public void clear();
/**
* Add a unigram with an optional shortcut to the dictionary.
* @param word The word to add.
* @param shortcutTarget A shortcut target for this word, or null if none.
* @param frequency The frequency for this unigram.
* @param shortcutFreq The frequency of the shortcut (0~15, with 15 = whitelist). Ignored
* if shortcutTarget is null.
* @param isNotAWord true if this is not a word, i.e. shortcut only.
*/
abstract public void addUnigramWord(final String word, final String shortcutTarget,
final int frequency, final int shortcutFreq, final boolean isNotAWord);
// TODO: Remove lastModifiedTime after making binary dictionary support forgetting curve.
abstract public void addBigramWords(final String word0, final String word1,
final int frequency, final boolean isValid, final long lastModifiedTime);
abstract public void removeBigramWords(final String word0, final String word1);
abstract protected void writeDictionary(final DictEncoder dictEncoder,
final Map<String, String> attributeMap) throws IOException, UnsupportedFormatException;
public void write(final File file, final Map<String, String> attributeMap) {
try {
FileUtils.deleteRecursively(file);
file.mkdir();
final DictEncoder dictEncoder = new Ver4DictEncoder(file);
writeDictionary(dictEncoder, attributeMap);
} catch (IOException e) {
Log.e(TAG, "IO exception while writing file", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "Unsupported format", e);
}
}
}

1
java/src/com/android/inputmethod/latin/BinaryDictionary.java
View File

@ -30,7 +30,6 @@ import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
import com.android.inputmethod.latin.makedict.WordProperty; import com.android.inputmethod.latin.makedict.WordProperty;
import com.android.inputmethod.latin.settings.NativeSuggestOptions; import com.android.inputmethod.latin.settings.NativeSuggestOptions;
import com.android.inputmethod.latin.utils.CollectionUtils; import com.android.inputmethod.latin.utils.CollectionUtils;
import com.android.inputmethod.latin.utils.FileUtils;
import com.android.inputmethod.latin.utils.JniUtils; import com.android.inputmethod.latin.utils.JniUtils;
import com.android.inputmethod.latin.utils.LanguageModelParam; import com.android.inputmethod.latin.utils.LanguageModelParam;
import com.android.inputmethod.latin.utils.StringUtils; import com.android.inputmethod.latin.utils.StringUtils;

56
java/src/com/android/inputmethod/latin/ContactsBinaryDictionary.java
View File

@ -78,7 +78,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
public ContactsBinaryDictionary(final Context context, final Locale locale, public ContactsBinaryDictionary(final Context context, final Locale locale,
final File dictFile) { final File dictFile) {
super(context, getDictName(NAME, locale, dictFile), locale, Dictionary.TYPE_CONTACTS, super(context, getDictName(NAME, locale, dictFile), locale, Dictionary.TYPE_CONTACTS,
false /* isUpdatable */, dictFile); dictFile);
mLocale = locale; mLocale = locale;
mUseFirstLastBigrams = useFirstLastBigramsForLocale(locale); mUseFirstLastBigrams = useFirstLastBigramsForLocale(locale);
registerObserver(context); registerObserver(context);
@ -114,14 +114,14 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
} }
@Override @Override
public void loadDictionaryAsync() { public void loadInitialContentsLocked() {
loadDeviceAccountsEmailAddresses(); loadDeviceAccountsEmailAddressesLocked();
loadDictionaryAsyncForUri(ContactsContract.Profile.CONTENT_URI); loadDictionaryForUriLocked(ContactsContract.Profile.CONTENT_URI);
// TODO: Switch this URL to the newer ContactsContract too // TODO: Switch this URL to the newer ContactsContract too
loadDictionaryAsyncForUri(Contacts.CONTENT_URI); loadDictionaryForUriLocked(Contacts.CONTENT_URI);
} }
private void loadDeviceAccountsEmailAddresses() { private void loadDeviceAccountsEmailAddressesLocked() {
final List<String> accountVocabulary = final List<String> accountVocabulary =
AccountUtils.getDeviceAccountsEmailAddresses(mContext); AccountUtils.getDeviceAccountsEmailAddresses(mContext);
if (accountVocabulary == null || accountVocabulary.isEmpty()) { if (accountVocabulary == null || accountVocabulary.isEmpty()) {
@ -131,12 +131,14 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
if (DEBUG) { if (DEBUG) {
Log.d(TAG, "loadAccountVocabulary: " + word); Log.d(TAG, "loadAccountVocabulary: " + word);
} }
super.addWord(word, null /* shortcut */, FREQUENCY_FOR_CONTACTS, 0 /* shortcutFreq */, runGCIfRequiredLocked(true /* mindsBlockByGC */);
false /* isNotAWord */); addWordDynamicallyLocked(word, FREQUENCY_FOR_CONTACTS, null /* shortcut */,
0 /* shortcutFreq */, false /* isNotAWord */, false /* isBlacklisted */,
BinaryDictionary.NOT_A_VALID_TIMESTAMP);
} }
} }
private void loadDictionaryAsyncForUri(final Uri uri) { private void loadDictionaryForUriLocked(final Uri uri) {
Cursor cursor = null; Cursor cursor = null;
try { try {
cursor = mContext.getContentResolver().query(uri, PROJECTION, null, null, null); cursor = mContext.getContentResolver().query(uri, PROJECTION, null, null, null);
@ -145,7 +147,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
} }
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
sContactCountAtLastRebuild = getContactCount(); sContactCountAtLastRebuild = getContactCount();
addWords(cursor); addWordsLocked(cursor);
} }
} catch (final SQLiteException e) { } catch (final SQLiteException e) {
Log.e(TAG, "SQLiteException in the remote Contacts process.", e); Log.e(TAG, "SQLiteException in the remote Contacts process.", e);
@ -166,12 +168,12 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
return false; return false;
} }
private void addWords(final Cursor cursor) { private void addWordsLocked(final Cursor cursor) {
int count = 0; int count = 0;
while (!cursor.isAfterLast() && count < MAX_CONTACT_COUNT) { while (!cursor.isAfterLast() && count < MAX_CONTACT_COUNT) {
String name = cursor.getString(INDEX_NAME); String name = cursor.getString(INDEX_NAME);
if (isValidName(name)) { if (isValidName(name)) {
addName(name); addNameLocked(name);
++count; ++count;
} else { } else {
if (DEBUG_DUMP) { if (DEBUG_DUMP) {
@ -207,7 +209,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
* Adds the words in a name (e.g., firstname/lastname) to the binary dictionary along with their * Adds the words in a name (e.g., firstname/lastname) to the binary dictionary along with their
* bigrams depending on locale. * bigrams depending on locale.
*/ */
private void addName(final String name) { private void addNameLocked(final String name) {
int len = StringUtils.codePointCount(name); int len = StringUtils.codePointCount(name);
String prevWord = null; String prevWord = null;
// TODO: Better tokenization for non-Latin writing systems // TODO: Better tokenization for non-Latin writing systems
@ -226,13 +228,15 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
if (DEBUG) { if (DEBUG) {
Log.d(TAG, "addName " + name + ", " + word + ", " + prevWord); Log.d(TAG, "addName " + name + ", " + word + ", " + prevWord);
} }
super.addWord(word, null /* shortcut */, FREQUENCY_FOR_CONTACTS, runGCIfRequiredLocked(true /* mindsBlockByGC */);
0 /* shortcutFreq */, false /* isNotAWord */); addWordDynamicallyLocked(word, FREQUENCY_FOR_CONTACTS,
if (!TextUtils.isEmpty(prevWord)) { null /* shortcut */, 0 /* shortcutFreq */, false /* isNotAWord */,
if (mUseFirstLastBigrams) { false /* isBlacklisted */, BinaryDictionary.NOT_A_VALID_TIMESTAMP);
super.addBigram(prevWord, word, FREQUENCY_FOR_CONTACTS_BIGRAM, if (!TextUtils.isEmpty(prevWord) && mUseFirstLastBigrams) {
0 /* lastModifiedTime */); runGCIfRequiredLocked(true /* mindsBlockByGC */);
} addBigramDynamicallyLocked(prevWord, word,
FREQUENCY_FOR_CONTACTS_BIGRAM,
BinaryDictionary.NOT_A_VALID_TIMESTAMP);
} }
prevWord = word; prevWord = word;
} }
@ -258,12 +262,12 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
} }
@Override @Override
protected boolean needsToReloadBeforeWriting() { protected boolean needsToReloadAfterCreation() {
return true; return true;
} }
@Override @Override
protected boolean hasContentChanged() { protected boolean haveContentsChanged() {
final long startTime = SystemClock.uptimeMillis(); final long startTime = SystemClock.uptimeMillis();
final int contactCount = getContactCount(); final int contactCount = getContactCount();
if (contactCount > MAX_CONTACT_COUNT) { if (contactCount > MAX_CONTACT_COUNT) {
@ -291,7 +295,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
while (!cursor.isAfterLast()) { while (!cursor.isAfterLast()) {
String name = cursor.getString(INDEX_NAME); String name = cursor.getString(INDEX_NAME);
if (isValidName(name) && !isNameInDictionary(name)) { if (isValidName(name) && !isNameInDictionaryLocked(name)) {
if (DEBUG) { if (DEBUG) {
Log.d(TAG, "Contact name missing: " + name + " (runtime = " Log.d(TAG, "Contact name missing: " + name + " (runtime = "
+ (SystemClock.uptimeMillis() - startTime) + " ms)"); + (SystemClock.uptimeMillis() - startTime) + " ms)");
@ -321,7 +325,7 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
/** /**
* Checks if the words in a name are in the current binary dictionary. * Checks if the words in a name are in the current binary dictionary.
*/ */
private boolean isNameInDictionary(final String name) { private boolean isNameInDictionaryLocked(final String name) {
int len = StringUtils.codePointCount(name); int len = StringUtils.codePointCount(name);
String prevWord = null; String prevWord = null;
for (int i = 0; i < len; i++) { for (int i = 0; i < len; i++) {
@ -332,11 +336,11 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary {
final int wordLen = StringUtils.codePointCount(word); final int wordLen = StringUtils.codePointCount(word);
if (wordLen < MAX_WORD_LENGTH && wordLen > 1) { if (wordLen < MAX_WORD_LENGTH && wordLen > 1) {
if (!TextUtils.isEmpty(prevWord) && mUseFirstLastBigrams) { if (!TextUtils.isEmpty(prevWord) && mUseFirstLastBigrams) {
if (!super.isValidBigramLocked(prevWord, word)) { if (!isValidBigramLocked(prevWord, word)) {
return false; return false;
} }
} else { } else {
if (!super.isValidWordLocked(word)) { if (!isValidWordLocked(word)) {
return false; return false;
} }
} }

92
java/src/com/android/inputmethod/latin/DictionaryWriter.java
View File

@ -1,92 +0,0 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin;
import com.android.inputmethod.latin.makedict.DictEncoder;
import com.android.inputmethod.latin.makedict.FormatSpec;
import com.android.inputmethod.latin.makedict.FusionDictionary;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
import com.android.inputmethod.latin.makedict.ProbabilityInfo;
import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
import com.android.inputmethod.latin.utils.CollectionUtils;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
* An in memory dictionary for memorizing entries and writing a binary dictionary.
*/
public class DictionaryWriter extends AbstractDictionaryWriter {
private static final int BINARY_DICT_VERSION = FormatSpec.VERSION4;
private static final FormatSpec.FormatOptions FORMAT_OPTIONS =
new FormatSpec.FormatOptions(BINARY_DICT_VERSION, false /* hasTimestamp */);
private FusionDictionary mFusionDictionary;
public DictionaryWriter() {
clear();
}
@Override
public void clear() {
final HashMap<String, String> attributes = CollectionUtils.newHashMap();
mFusionDictionary = new FusionDictionary(new PtNodeArray(),
new FusionDictionary.DictionaryOptions(attributes));
}
/**
* Adds a word unigram to the fusion dictionary.
*/
// TODO: Create "cache dictionary" to cache fresh words for frequently updated dictionaries,
// considering performance regression.
@Override
public void addUnigramWord(final String word, final String shortcutTarget,
final int probability, final int shortcutProbability, final boolean isNotAWord) {
if (shortcutTarget == null) {
mFusionDictionary.add(word, new ProbabilityInfo(probability), null, isNotAWord);
} else {
// TODO: Do this in the subclass, with this class taking an arraylist.
final ArrayList<WeightedString> shortcutTargets = CollectionUtils.newArrayList();
shortcutTargets.add(new WeightedString(shortcutTarget, shortcutProbability));
mFusionDictionary.add(word, new ProbabilityInfo(probability), shortcutTargets,
isNotAWord);
}
}
@Override
public void addBigramWords(final String word0, final String word1, final int probability,
final boolean isValid, final long lastModifiedTime) {
mFusionDictionary.setBigram(word0, word1, new ProbabilityInfo(probability));
}
@Override
public void removeBigramWords(final String word0, final String word1) {
// This class don't support removing bigram words.
}
@Override
protected void writeDictionary(final DictEncoder dictEncoder,
final Map<String, String> attributeMap) throws IOException, UnsupportedFormatException {
for (final Map.Entry<String, String> entry : attributeMap.entrySet()) {
mFusionDictionary.addOptionAttribute(entry.getKey(), entry.getValue());
}
dictEncoder.writeDictionary(mFusionDictionary, FORMAT_OPTIONS);
}
}

290
java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
View File

@ -32,7 +32,6 @@ import com.android.inputmethod.latin.utils.CombinedFormatUtils;
import com.android.inputmethod.latin.utils.ExecutorUtils; import com.android.inputmethod.latin.utils.ExecutorUtils;
import com.android.inputmethod.latin.utils.FileUtils; import com.android.inputmethod.latin.utils.FileUtils;
import com.android.inputmethod.latin.utils.LanguageModelParam; import com.android.inputmethod.latin.utils.LanguageModelParam;
import com.android.inputmethod.latin.utils.PrioritizedSerialExecutor;
import java.io.File; import java.io.File;
import java.util.ArrayList; import java.util.ArrayList;
@ -90,10 +89,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
*/ */
private BinaryDictionary mBinaryDictionary; private BinaryDictionary mBinaryDictionary;
// TODO: Remove and handle dictionaries in native code.
/** The in-memory dictionary used to generate the binary dictionary. */
protected AbstractDictionaryWriter mDictionaryWriter;
/** /**
* The name of this dictionary, used as a part of the filename for storing the binary * The name of this dictionary, used as a part of the filename for storing the binary
* dictionary. Multiple dictionary instances with the same name is supported, with access * dictionary. Multiple dictionary instances with the same name is supported, with access
@ -104,9 +99,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
/** Dictionary locale */ /** Dictionary locale */
private final Locale mLocale; private final Locale mLocale;
/** Whether to support dynamically updating the dictionary */
private final boolean mIsUpdatable;
/** Dictionary file */ /** Dictionary file */
private final File mDictFile; private final File mDictFile;
@ -126,23 +118,22 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
new AtomicReference<Runnable>(); new AtomicReference<Runnable>();
/** /**
* Abstract method for loading the unigrams and bigrams of a given dictionary in a background * Abstract method for loading initial contents of a given dictionary.
* thread.
*/ */
protected abstract void loadDictionaryAsync(); protected abstract void loadInitialContentsLocked();
/** /**
* Indicates that the source dictionary content has changed and a rebuild of the binary file is * Indicates that the source dictionary contents have changed and a rebuild of the binary file
* required. If it returns false, the next reload will only read the current binary dictionary * is required. If it returns false, the next reload will only read the current binary
* from file. Note that the shared binary dictionary is locked when this is called. * dictionary from file. Note that the shared binary dictionary is locked when this is called.
*/ */
protected abstract boolean hasContentChanged(); protected abstract boolean haveContentsChanged();
private boolean matchesExpectedBinaryDictFormatVersionForThisType(final int formatVersion) { private boolean matchesExpectedBinaryDictFormatVersionForThisType(final int formatVersion) {
return formatVersion == FormatSpec.VERSION4; return formatVersion == FormatSpec.VERSION4;
} }
public boolean isValidDictionary() { public boolean isValidDictionaryLocked() {
return mBinaryDictionary.isValidDictionary(); return mBinaryDictionary.isValidDictionary();
} }
@ -161,15 +152,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
return recorder; return recorder;
} }
private static AbstractDictionaryWriter getDictionaryWriter(
final boolean isDynamicPersonalizationDictionary) {
if (isDynamicPersonalizationDictionary) {
return null;
} else {
return new DictionaryWriter();
}
}
/** /**
* Creates a new expandable binary dictionary. * Creates a new expandable binary dictionary.
* *
@ -178,24 +160,18 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
* name is supported. * name is supported.
* @param locale the dictionary locale. * @param locale the dictionary locale.
* @param dictType the dictionary type, as a human-readable string * @param dictType the dictionary type, as a human-readable string
* @param isUpdatable whether to support dynamically updating the dictionary. Please note that
* dynamic dictionary has negative effects on memory space and computation time.
* @param dictFile dictionary file path. if null, use default dictionary path based on * @param dictFile dictionary file path. if null, use default dictionary path based on
* dictionary type. * dictionary type.
*/ */
public ExpandableBinaryDictionary(final Context context, final String dictName, public ExpandableBinaryDictionary(final Context context, final String dictName,
final Locale locale, final String dictType, final boolean isUpdatable, final Locale locale, final String dictType, final File dictFile) {
final File dictFile) {
super(dictType); super(dictType);
mDictName = dictName; mDictName = dictName;
mContext = context; mContext = context;
mLocale = locale; mLocale = locale;
mIsUpdatable = isUpdatable;
mDictFile = getDictFile(context, dictName, dictFile); mDictFile = getDictFile(context, dictName, dictFile);
mBinaryDictionary = null; mBinaryDictionary = null;
mDictNameDictionaryUpdateController = getDictionaryUpdateController(dictName); mDictNameDictionaryUpdateController = getDictionaryUpdateController(dictName);
// Currently, only dynamic personalization dictionary is updatable.
mDictionaryWriter = getDictionaryWriter(isUpdatable);
} }
public static File getDictFile(final Context context, final String dictName, public static File getDictFile(final Context context, final String dictName,
@ -225,19 +201,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
}); });
} }
protected void closeBinaryDictionary() {
// Ensure that no other threads are accessing the local binary dictionary.
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override
public void run() {
if (mBinaryDictionary != null) {
mBinaryDictionary.close();
mBinaryDictionary = null;
}
}
});
}
protected Map<String, String> getHeaderAttributeMap() { protected Map<String, String> getHeaderAttributeMap() {
HashMap<String, String> attributeMap = new HashMap<String, String>(); HashMap<String, String> attributeMap = new HashMap<String, String>();
attributeMap.put(DictionaryHeader.DICTIONARY_ID_KEY, mDictName); attributeMap.put(DictionaryHeader.DICTIONARY_ID_KEY, mDictName);
@ -257,47 +220,28 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
mBinaryDictionary = null; mBinaryDictionary = null;
} }
private void createBinaryDictionaryLocked() {
BinaryDictionary.createEmptyDictFile(mDictFile.getAbsolutePath(),
DICTIONARY_FORMAT_VERSION, mLocale, getHeaderAttributeMap());
}
private void openBinaryDictionaryLocked() {
mBinaryDictionary = new BinaryDictionary(
mDictFile.getAbsolutePath(), 0 /* offset */, mDictFile.length(),
true /* useFullEditDistance */, mLocale, mDictType, true /* isUpdatable */);
}
protected void clear() { protected void clear() {
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() { ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override @Override
public void run() { public void run() {
if (mDictionaryWriter == null) { removeBinaryDictionaryLocked();
removeBinaryDictionaryLocked(); createBinaryDictionaryLocked();
BinaryDictionary.createEmptyDictFile(mDictFile.getAbsolutePath(), openBinaryDictionaryLocked();
DICTIONARY_FORMAT_VERSION, mLocale, getHeaderAttributeMap());
mBinaryDictionary = new BinaryDictionary(
mDictFile.getAbsolutePath(), 0 /* offset */, mDictFile.length(),
true /* useFullEditDistance */, mLocale, mDictType, mIsUpdatable);
} else {
mDictionaryWriter.clear();
}
} }
}); });
} }
/**
* Adds a word unigram to the dictionary. Used for loading a dictionary.
* @param word The word to add.
* @param shortcutTarget A shortcut target for this word, or null if none.
* @param frequency The frequency for this unigram.
* @param shortcutFreq The frequency of the shortcut (0~15, with 15 = whitelist). Ignored
* if shortcutTarget is null.
* @param isNotAWord true if this is not a word, i.e. shortcut only.
*/
protected void addWord(final String word, final String shortcutTarget,
final int frequency, final int shortcutFreq, final boolean isNotAWord) {
mDictionaryWriter.addUnigramWord(word, shortcutTarget, frequency, shortcutFreq, isNotAWord);
}
/**
* Adds a word bigram in the dictionary. Used for loading a dictionary.
*/
protected void addBigram(final String prevWord, final String word, final int frequency,
final long lastModifiedTime) {
mDictionaryWriter.addBigramWords(prevWord, word, frequency, true /* isValid */,
lastModifiedTime);
}
/** /**
* Check whether GC is needed and run GC if required. * Check whether GC is needed and run GC if required.
*/ */
@ -305,13 +249,19 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() { ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override @Override
public void run() { public void run() {
runGCIfRequiredInternalLocked(mindsBlockByGC); runGCAfterAllPrioritizedTasksIfRequiredLocked(mindsBlockByGC);
} }
}); });
} }
private void runGCIfRequiredInternalLocked(final boolean mindsBlockByGC) { protected void runGCIfRequiredLocked(final boolean mindsBlockByGC) {
// Calls to needsToRunGC() need to be serialized. if (mBinaryDictionary.needsToRunGC(mindsBlockByGC)) {
mBinaryDictionary.flushWithGC();
}
}
private void runGCAfterAllPrioritizedTasksIfRequiredLocked(final boolean mindsBlockByGC) {
// needsToRunGC() have to be called with lock.
if (mBinaryDictionary.needsToRunGC(mindsBlockByGC)) { if (mBinaryDictionary.needsToRunGC(mindsBlockByGC)) {
if (setProcessingLargeTaskIfNot()) { if (setProcessingLargeTaskIfNot()) {
// Run GC after currently existing time sensitive operations. // Run GC after currently existing time sensitive operations.
@ -335,52 +285,50 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
protected void addWordDynamically(final String word, final int frequency, protected void addWordDynamically(final String word, final int frequency,
final String shortcutTarget, final int shortcutFreq, final boolean isNotAWord, final String shortcutTarget, final int shortcutFreq, final boolean isNotAWord,
final boolean isBlacklisted, final int timestamp) { final boolean isBlacklisted, final int timestamp) {
if (!mIsUpdatable) {
Log.w(TAG, "addWordDynamically is called for non-updatable dictionary: " + mDictName);
return;
}
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() { ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override @Override
public void run() { public void run() {
runGCIfRequiredInternalLocked(true /* mindsBlockByGC */); runGCAfterAllPrioritizedTasksIfRequiredLocked(true /* mindsBlockByGC */);
mBinaryDictionary.addUnigramWord(word, frequency, shortcutTarget, shortcutFreq, addWordDynamicallyLocked(word, frequency, shortcutTarget, shortcutFreq,
isNotAWord, isBlacklisted, timestamp); isNotAWord, isBlacklisted, timestamp);
} }
}); });
} }
protected void addWordDynamicallyLocked(final String word, final int frequency,
final String shortcutTarget, final int shortcutFreq, final boolean isNotAWord,
final boolean isBlacklisted, final int timestamp) {
mBinaryDictionary.addUnigramWord(word, frequency, shortcutTarget, shortcutFreq,
isNotAWord, isBlacklisted, timestamp);
}
/** /**
* Dynamically adds a word bigram in the dictionary. May overwrite an existing entry. * Dynamically adds a word bigram in the dictionary. May overwrite an existing entry.
*/ */
protected void addBigramDynamically(final String word0, final String word1, protected void addBigramDynamically(final String word0, final String word1,
final int frequency, final int timestamp) { final int frequency, final int timestamp) {
if (!mIsUpdatable) {
Log.w(TAG, "addBigramDynamically is called for non-updatable dictionary: "
+ mDictName);
return;
}
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() { ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override @Override
public void run() { public void run() {
runGCIfRequiredInternalLocked(true /* mindsBlockByGC */); runGCAfterAllPrioritizedTasksIfRequiredLocked(true /* mindsBlockByGC */);
mBinaryDictionary.addBigramWords(word0, word1, frequency, timestamp); addBigramDynamicallyLocked(word0, word1, frequency, timestamp);
} }
}); });
} }
protected void addBigramDynamicallyLocked(final String word0, final String word1,
final int frequency, final int timestamp) {
mBinaryDictionary.addBigramWords(word0, word1, frequency, timestamp);
}
/** /**
* Dynamically remove a word bigram in the dictionary. * Dynamically remove a word bigram in the dictionary.
*/ */
protected void removeBigramDynamically(final String word0, final String word1) { protected void removeBigramDynamically(final String word0, final String word1) {
if (!mIsUpdatable) {
Log.w(TAG, "removeBigramDynamically is called for non-updatable dictionary: "
+ mDictName);
return;
}
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() { ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override @Override
public void run() { public void run() {
runGCIfRequiredInternalLocked(true /* mindsBlockByGC */); runGCAfterAllPrioritizedTasksIfRequiredLocked(true /* mindsBlockByGC */);
mBinaryDictionary.removeBigramWords(word0, word1); mBinaryDictionary.removeBigramWords(word0, word1);
} }
}); });
@ -396,11 +344,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
protected void addMultipleDictionaryEntriesDynamically( protected void addMultipleDictionaryEntriesDynamically(
final ArrayList<LanguageModelParam> languageModelParams, final ArrayList<LanguageModelParam> languageModelParams,
final AddMultipleDictionaryEntriesCallback callback) { final AddMultipleDictionaryEntriesCallback callback) {
if (!mIsUpdatable) {
Log.w(TAG, "addMultipleDictionaryEntriesDynamically is called for non-updatable " +
"dictionary: " + mDictName);
return;
}
ExecutorUtils.getExecutor(mDictName).execute(new Runnable() { ExecutorUtils.getExecutor(mDictName).execute(new Runnable() {
@Override @Override
public void run() { public void run() {
@ -463,10 +406,6 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
@Override @Override
public boolean isValidWord(final String word) { public boolean isValidWord(final String word) {
reloadDictionaryIfRequired(); reloadDictionaryIfRequired();
return isValidWordInner(word);
}
protected boolean isValidWordInner(final String word) {
if (processingLargeTask()) { if (processingLargeTask()) {
return false; return false;
} }
@ -503,7 +442,7 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
* Loads the current binary dictionary from internal storage. Assumes the dictionary file * Loads the current binary dictionary from internal storage. Assumes the dictionary file
* exists. * exists.
*/ */
private void loadBinaryDictionary() { private void loadBinaryDictionaryLocked() {
if (DEBUG) { if (DEBUG) {
Log.d(TAG, "Loading binary dictionary: " + mDictName + " request=" Log.d(TAG, "Loading binary dictionary: " + mDictName + " request="
+ mDictNameDictionaryUpdateController.mLastUpdateRequestTime + " update=" + mDictNameDictionaryUpdateController.mLastUpdateRequestTime + " update="
@ -519,65 +458,40 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
} catch (InterruptedException e) { } catch (InterruptedException e) {
} }
} }
final String filename = mDictFile.getAbsolutePath();
final long length = mDictFile.length();
// Build the new binary dictionary
final BinaryDictionary newBinaryDictionary = new BinaryDictionary(filename, 0 /* offset */,
length, true /* useFullEditDistance */, null, mDictType, mIsUpdatable);
// Ensure all threads accessing the current dictionary have finished before
// swapping in the new one.
// TODO: Ensure multi-thread assignment of mBinaryDictionary.
final BinaryDictionary oldBinaryDictionary = mBinaryDictionary; final BinaryDictionary oldBinaryDictionary = mBinaryDictionary;
ExecutorUtils.getExecutor(mDictName).executePrioritized(new Runnable() { openBinaryDictionaryLocked();
@Override if (oldBinaryDictionary != null) {
public void run() { oldBinaryDictionary.close();
mBinaryDictionary = newBinaryDictionary; }
if (oldBinaryDictionary != null) {
oldBinaryDictionary.close();
}
}
});
} }
/** /**
* Abstract method for checking if it is required to reload the dictionary before writing * Abstract method for checking if it is required to reload the dictionary before writing
* a binary dictionary. * a binary dictionary.
*/ */
abstract protected boolean needsToReloadBeforeWriting(); abstract protected boolean needsToReloadAfterCreation();
/** /**
* Writes a new binary dictionary based on the contents of the fusion dictionary. * Create a new binary dictionary and load initial contents.
*/ */
private void writeBinaryDictionary() { private void createNewDictionaryLocked() {
if (DEBUG) { if (DEBUG) {
Log.d(TAG, "Generating binary dictionary: " + mDictName + " request=" Log.d(TAG, "Generating binary dictionary: " + mDictName + " request="
+ mDictNameDictionaryUpdateController.mLastUpdateRequestTime + " update=" + mDictNameDictionaryUpdateController.mLastUpdateRequestTime + " update="
+ mDictNameDictionaryUpdateController.mLastUpdateTime); + mDictNameDictionaryUpdateController.mLastUpdateTime);
} }
if (needsToReloadBeforeWriting()) { removeBinaryDictionaryLocked();
mDictionaryWriter.clear(); createBinaryDictionaryLocked();
loadDictionaryAsync(); openBinaryDictionaryLocked();
mDictionaryWriter.write(mDictFile, getHeaderAttributeMap()); loadInitialContentsLocked();
mBinaryDictionary.flushWithGC();
}
private void flushDictionaryLocked() {
if (mBinaryDictionary.needsToRunGC(false /* mindsBlockByGC */)) {
mBinaryDictionary.flushWithGC();
} else { } else {
if (mBinaryDictionary == null || !isValidDictionary() mBinaryDictionary.flush();
// TODO: remove the check below
|| !matchesExpectedBinaryDictFormatVersionForThisType(
mBinaryDictionary.getFormatVersion())) {
if (mDictFile.exists() && !FileUtils.deleteRecursively(mDictFile)) {
Log.e(TAG, "Can't remove a file: " + mDictFile.getName());
}
BinaryDictionary.createEmptyDictFile(mDictFile.getAbsolutePath(),
DICTIONARY_FORMAT_VERSION, mLocale, getHeaderAttributeMap());
} else {
if (mBinaryDictionary.needsToRunGC(false /* mindsBlockByGC */)) {
mBinaryDictionary.flushWithGC();
} else {
mBinaryDictionary.flush();
}
}
} }
} }
@ -638,52 +552,38 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
public void run() { public void run() {
try { try {
final long time = System.currentTimeMillis(); final long time = System.currentTimeMillis();
final boolean dictionaryFileExists = dictionaryFileExists(); final boolean openedDictIsOutOfDate =
if (mDictNameDictionaryUpdateController.isOutOfDate() mDictNameDictionaryUpdateController.isOutOfDate();
|| !dictionaryFileExists) { if (!dictionaryFileExists()
// If the shared dictionary file does not exist or is out of date, the || (openedDictIsOutOfDate && haveContentsChanged())) {
// first instance that acquires the lock will generate a new one. // If the shared dictionary file does not exist or is out of date and
if (hasContentChanged() || !dictionaryFileExists) { // contents have been updated, the first instance that acquires the lock
// If the source content has changed or the dictionary does not exist, // will generate a new one
// rebuild the binary dictionary. Empty dictionaries are supported (in mDictNameDictionaryUpdateController.mLastUpdateTime = time;
// the case where loadDictionaryAsync() adds nothing) in order to createNewDictionaryLocked();
// provide a uniform framework. } else if (openedDictIsOutOfDate) {
mDictNameDictionaryUpdateController.mLastUpdateTime = time; // If not, the reload request was unnecessary so revert
writeBinaryDictionary(); // LastUpdateRequestTime to LastUpdateTime.
loadBinaryDictionary(); mDictNameDictionaryUpdateController.mLastUpdateRequestTime =
} else { mDictNameDictionaryUpdateController.mLastUpdateTime;
// If not, the reload request was unnecessary so revert
// LastUpdateRequestTime to LastUpdateTime.
mDictNameDictionaryUpdateController.mLastUpdateRequestTime =
mDictNameDictionaryUpdateController.mLastUpdateTime;
}
} else if (mBinaryDictionary == null || } else if (mBinaryDictionary == null ||
mPerInstanceDictionaryUpdateController.mLastUpdateTime mPerInstanceDictionaryUpdateController.mLastUpdateTime
< mDictNameDictionaryUpdateController.mLastUpdateTime) { < mDictNameDictionaryUpdateController.mLastUpdateTime) {
// Otherwise, if the local dictionary is older than the shared dictionary, // Otherwise, if the local dictionary is older than the shared dictionary,
// load the shared dictionary. // load the shared dictionary.
loadBinaryDictionary(); loadBinaryDictionaryLocked();
} }
// If we just loaded the binary dictionary, then mBinaryDictionary is not if (mBinaryDictionary != null && !(isValidDictionaryLocked()
// up-to-date yet so it's useless to test it right away. Schedule the check // TODO: remove the check below
// for right after it's loaded instead. && matchesExpectedBinaryDictFormatVersionForThisType(
ExecutorUtils.getExecutor(mDictName).executePrioritized(new Runnable() { mBinaryDictionary.getFormatVersion()))) {
@Override // Binary dictionary or its format version is not valid. Regenerate
public void run() { // the dictionary file. writeBinaryDictionary will remove the
if (mBinaryDictionary != null && !(isValidDictionary() // existing files if appropriate.
// TODO: remove the check below mDictNameDictionaryUpdateController.mLastUpdateTime = time;
&& matchesExpectedBinaryDictFormatVersionForThisType( createNewDictionaryLocked();
mBinaryDictionary.getFormatVersion()))) { }
// Binary dictionary or its format version is not valid. Regenerate mPerInstanceDictionaryUpdateController.mLastUpdateTime = time;
// the dictionary file. writeBinaryDictionary will remove the
// existing files if appropriate.
mDictNameDictionaryUpdateController.mLastUpdateTime = time;
writeBinaryDictionary();
loadBinaryDictionary();
}
mPerInstanceDictionaryUpdateController.mLastUpdateTime = time;
}
});
} finally { } finally {
mDictNameDictionaryUpdateController.mProcessingLargeTask.set(false); mDictNameDictionaryUpdateController.mProcessingLargeTask.set(false);
} }
@ -697,13 +597,13 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
} }
/** /**
* Generate binary dictionary using DictionaryWriter. * Flush binary dictionary to dictionary file.
*/ */
protected void asyncFlushBinaryDictionary() { protected void asyncFlushBinaryDictionary() {
final Runnable newTask = new Runnable() { final Runnable newTask = new Runnable() {
@Override @Override
public void run() { public void run() {
writeBinaryDictionary(); flushDictionaryLocked();
} }
}; };
final Runnable oldTask = mUnfinishedFlushingTask.getAndSet(newTask); final Runnable oldTask = mUnfinishedFlushingTask.getAndSet(newTask);

29
java/src/com/android/inputmethod/latin/UserBinaryDictionary.java
View File

@ -86,8 +86,7 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
public UserBinaryDictionary(final Context context, final Locale locale, public UserBinaryDictionary(final Context context, final Locale locale,
final boolean alsoUseMoreRestrictiveLocales, final File dictFile) { final boolean alsoUseMoreRestrictiveLocales, final File dictFile) {
super(context, getDictName(NAME, locale, dictFile), locale, Dictionary.TYPE_USER, super(context, getDictName(NAME, locale, dictFile), locale, Dictionary.TYPE_USER, dictFile);
false /* isUpdatable */, dictFile);
if (null == locale) throw new NullPointerException(); // Catch the error earlier if (null == locale) throw new NullPointerException(); // Catch the error earlier
final String localeStr = locale.toString(); final String localeStr = locale.toString();
if (SubtypeLocaleUtils.NO_LANGUAGE.equals(localeStr)) { if (SubtypeLocaleUtils.NO_LANGUAGE.equals(localeStr)) {
@ -130,7 +129,7 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
} }
@Override @Override
public void loadDictionaryAsync() { public void loadInitialContentsLocked() {
// Split the locale. For example "en" => ["en"], "de_DE" => ["de", "DE"], // Split the locale. For example "en" => ["en"], "de_DE" => ["de", "DE"],
// "en_US_foo_bar_qux" => ["en", "US", "foo_bar_qux"] because of the limit of 3. // "en_US_foo_bar_qux" => ["en", "US", "foo_bar_qux"] because of the limit of 3.
// This is correct for locale processing. // This is correct for locale processing.
@ -182,7 +181,7 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
try { try {
cursor = mContext.getContentResolver().query( cursor = mContext.getContentResolver().query(
Words.CONTENT_URI, PROJECTION_QUERY, request.toString(), requestArguments, null); Words.CONTENT_URI, PROJECTION_QUERY, request.toString(), requestArguments, null);
addWords(cursor); addWordsLocked(cursor);
} catch (final SQLiteException e) { } catch (final SQLiteException e) {
Log.e(TAG, "SQLiteException in the remote User dictionary process.", e); Log.e(TAG, "SQLiteException in the remote User dictionary process.", e);
} finally { } finally {
@ -236,7 +235,7 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
} }
} }
private void addWords(final Cursor cursor) { private void addWordsLocked(final Cursor cursor) {
final boolean hasShortcutColumn = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN; final boolean hasShortcutColumn = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
if (cursor == null) return; if (cursor == null) return;
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
@ -250,12 +249,16 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
final int adjustedFrequency = scaleFrequencyFromDefaultToLatinIme(frequency); final int adjustedFrequency = scaleFrequencyFromDefaultToLatinIme(frequency);
// Safeguard against adding really long words. // Safeguard against adding really long words.
if (word.length() < MAX_WORD_LENGTH) { if (word.length() < MAX_WORD_LENGTH) {
super.addWord(word, null, adjustedFrequency, 0 /* shortcutFreq */, runGCIfRequiredLocked(true /* mindsBlockByGC */);
false /* isNotAWord */); addWordDynamicallyLocked(word, adjustedFrequency, null /* shortcutTarget */,
} 0 /* shortcutFreq */, false /* isNotAWord */,
if (null != shortcut && shortcut.length() < MAX_WORD_LENGTH) { false /* isBlacklisted */, BinaryDictionary.NOT_A_VALID_TIMESTAMP);
super.addWord(shortcut, word, adjustedFrequency, USER_DICT_SHORTCUT_FREQUENCY, if (null != shortcut && shortcut.length() < MAX_WORD_LENGTH) {
true /* isNotAWord */); runGCIfRequiredLocked(true /* mindsBlockByGC */);
addWordDynamicallyLocked(shortcut, adjustedFrequency, word,
USER_DICT_SHORTCUT_FREQUENCY, true /* isNotAWord */,
false /* isBlacklisted */, BinaryDictionary.NOT_A_VALID_TIMESTAMP);
}
} }
cursor.moveToNext(); cursor.moveToNext();
} }
@ -263,12 +266,12 @@ public class UserBinaryDictionary extends ExpandableBinaryDictionary {
} }
@Override @Override
protected boolean hasContentChanged() { protected boolean haveContentsChanged() {
return true; return true;
} }
@Override @Override
protected boolean needsToReloadBeforeWriting() { protected boolean needsToReloadAfterCreation() {
return true; return true;
} }
} }

2
java/src/com/android/inputmethod/latin/inputlogic/InputLogicHandler.java
View File

@ -139,7 +139,7 @@ class InputLogicHandler implements Handler.Callback {
forEnd /* dismissGestureFloatingPreviewText */); forEnd /* dismissGestureFloatingPreviewText */);
if (forEnd) { if (forEnd) {
mInBatchInput = false; mInBatchInput = false;
// The following call schedules onEndBatchInputAsyncInternal // The following call schedules onEndBatchInputInternal
// to be called on the UI thread. // to be called on the UI thread.
mLatinIME.mHandler.onEndBatchInput(suggestedWords); mLatinIME.mHandler.onEndBatchInput(suggestedWords);
} }

2
java/src/com/android/inputmethod/latin/makedict/DictEncoder.java
View File

@ -16,6 +16,7 @@
package com.android.inputmethod.latin.makedict; package com.android.inputmethod.latin.makedict;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions; import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode; import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
@ -25,6 +26,7 @@ import java.io.IOException;
* An interface of binary dictionary encoder. * An interface of binary dictionary encoder.
*/ */
public interface DictEncoder { public interface DictEncoder {
@UsedForTesting
public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions) public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
throws IOException, UnsupportedFormatException; throws IOException, UnsupportedFormatException;

20
java/src/com/android/inputmethod/latin/personalization/DecayingExpandableBinaryDictionaryBase.java
View File

@ -27,10 +27,8 @@ import com.android.inputmethod.latin.utils.LanguageModelParam;
import java.io.File; import java.io.File;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale; import java.util.Locale;
import java.util.Map; import java.util.Map;
import java.util.concurrent.TimeUnit;
/** /**
* This class is a base class of a dictionary that supports decaying for the personalized language * This class is a base class of a dictionary that supports decaying for the personalized language
@ -49,15 +47,13 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
/** The locale for this dictionary. */ /** The locale for this dictionary. */
public final Locale mLocale; public final Locale mLocale;
private final String mDictName;
private Map<String, String> mAdditionalAttributeMap = null; private Map<String, String> mAdditionalAttributeMap = null;
protected DecayingExpandableBinaryDictionaryBase(final Context context, protected DecayingExpandableBinaryDictionaryBase(final Context context,
final String dictName, final Locale locale, final String dictionaryType, final String dictName, final Locale locale, final String dictionaryType,
final File dictFile) { final File dictFile) {
super(context, dictName, locale, dictionaryType, true /* isUpdatable */, dictFile); super(context, dictName, locale, dictionaryType, dictFile);
mLocale = locale; mLocale = locale;
mDictName = dictName;
if (mLocale != null && mLocale.toString().length() > 1) { if (mLocale != null && mLocale.toString().length() > 1) {
reloadDictionaryIfRequired(); reloadDictionaryIfRequired();
} }
@ -79,7 +75,7 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
@Override @Override
protected Map<String, String> getHeaderAttributeMap() { protected Map<String, String> getHeaderAttributeMap() {
final Map<String, String> attributeMap = new HashMap<String, String>(); final Map<String, String> attributeMap = super.getHeaderAttributeMap();
if (mAdditionalAttributeMap != null) { if (mAdditionalAttributeMap != null) {
attributeMap.putAll(mAdditionalAttributeMap); attributeMap.putAll(mAdditionalAttributeMap);
} }
@ -87,20 +83,16 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
DictionaryHeader.ATTRIBUTE_VALUE_TRUE); DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
attributeMap.put(DictionaryHeader.HAS_HISTORICAL_INFO_KEY, attributeMap.put(DictionaryHeader.HAS_HISTORICAL_INFO_KEY,
DictionaryHeader.ATTRIBUTE_VALUE_TRUE); DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
attributeMap.put(DictionaryHeader.DICTIONARY_ID_KEY, mDictName);
attributeMap.put(DictionaryHeader.DICTIONARY_LOCALE_KEY, mLocale.toString());
attributeMap.put(DictionaryHeader.DICTIONARY_VERSION_KEY,
String.valueOf(TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis())));
return attributeMap; return attributeMap;
} }
@Override @Override
protected boolean hasContentChanged() { protected boolean haveContentsChanged() {
return false; return false;
} }
@Override @Override
protected boolean needsToReloadBeforeWriting() { protected boolean needsToReloadAfterCreation() {
return false; return false;
} }
@ -144,8 +136,8 @@ public abstract class DecayingExpandableBinaryDictionaryBase extends ExpandableB
} }
@Override @Override
protected void loadDictionaryAsync() { protected void loadInitialContentsLocked() {
// Never loaded to memory in Java side. // No initial contents.
} }
@UsedForTesting @UsedForTesting