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Merge "Add getMaxFrequencyOfExactMatches() to Dictionary."

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This commit is contained in:
Keisuke Kuroyanagi 2014-06-05 10:07:58 +00:00 committed by Android (Google) Code Review
commit 0ee8644666
4 changed files with 64 additions and 10 deletions
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4
java/src/com/android/inputmethod/latin/Dictionary.java
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@ -95,6 +95,10 @@ public abstract class Dictionary {
return NOT_A_PROBABILITY;
}
public int getMaxFrequencyOfExactMatches(final String word) {
return NOT_A_PROBABILITY;
}
/**
* Compares the contents of the character array with the typed word and returns true if they
* are the same.

34
java/src/com/android/inputmethod/latin/DictionaryFacilitator.java
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@ -63,7 +63,7 @@ public class DictionaryFacilitator {
private final Object mLock = new Object();
private final DistracterFilter mDistracterFilter;
private static final String[] DICT_TYPES_ORDERED_TO_GET_SUGGESTION =
private static final String[] DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS =
new String[] {
Dictionary.TYPE_MAIN,
Dictionary.TYPE_USER_HISTORY,
@ -89,8 +89,8 @@ public class DictionaryFacilitator {
new Class[] { Context.class, Locale.class, File.class };
private static final String[] SUB_DICT_TYPES =
Arrays.copyOfRange(DICT_TYPES_ORDERED_TO_GET_SUGGESTION, 1 /* start */,
DICT_TYPES_ORDERED_TO_GET_SUGGESTION.length);
Arrays.copyOfRange(DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS, 1 /* start */,
DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS.length);
/**
* Class contains dictionaries for a locale.
@ -333,7 +333,7 @@ public class DictionaryFacilitator {
dictionaries = mDictionaries;
mDictionaries = new Dictionaries();
}
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTION) {
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS) {
dictionaries.closeDict(dictType);
}
mDistracterFilter.close();
@ -469,7 +469,7 @@ public class DictionaryFacilitator {
final SuggestionResults suggestionResults =
new SuggestionResults(dictionaries.mLocale, SuggestedWords.MAX_SUGGESTIONS);
final float[] languageWeight = new float[] { Dictionary.NOT_A_LANGUAGE_WEIGHT };
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTION) {
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS) {
final Dictionary dictionary = dictionaries.getDict(dictType);
if (null == dictionary) continue;
final ArrayList<SuggestedWordInfo> dictionarySuggestions =
@ -502,7 +502,7 @@ public class DictionaryFacilitator {
return false;
}
final String lowerCasedWord = word.toLowerCase(dictionaries.mLocale);
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTION) {
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS) {
final Dictionary dictionary = dictionaries.getDict(dictType);
// Ideally the passed map would come out of a {@link java.util.concurrent.Future} and
// would be immutable once it's finished initializing, but concretely a null test is
@ -516,16 +516,22 @@ public class DictionaryFacilitator {
return false;
}
public int getFrequency(final String word) {
private int getFrequencyInternal(final String word,
final boolean isGettingMaxFrequencyOfExactMatches) {
if (TextUtils.isEmpty(word)) {
return Dictionary.NOT_A_PROBABILITY;
}
int maxFreq = -1;
int maxFreq = Dictionary.NOT_A_PROBABILITY;
final Dictionaries dictionaries = mDictionaries;
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTION) {
for (final String dictType : DICT_TYPES_ORDERED_TO_GET_SUGGESTIONS) {
final Dictionary dictionary = dictionaries.getDict(dictType);
if (dictionary == null) continue;
final int tempFreq = dictionary.getFrequency(word);
final int tempFreq;
if (isGettingMaxFrequencyOfExactMatches) {
tempFreq = dictionary.getMaxFrequencyOfExactMatches(word);
} else {
tempFreq = dictionary.getFrequency(word);
}
if (tempFreq >= maxFreq) {
maxFreq = tempFreq;
}
@ -533,6 +539,14 @@ public class DictionaryFacilitator {
return maxFreq;
}
public int getFrequency(final String word) {
return getFrequencyInternal(word, false /* isGettingMaxFrequencyOfExactMatches */);
}
public int getMaxFrequencyOfExactMatches(final String word) {
return getFrequencyInternal(word, true /* isGettingMaxFrequencyOfExactMatches */);
}
public void clearUserHistoryDictionary() {
final ExpandableBinaryDictionary userHistoryDict =
mDictionaries.getSubDict(Dictionary.TYPE_USER_HISTORY);

24
java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
View file

@ -441,6 +441,30 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
return mBinaryDictionary.isValidWord(word);
}
@Override
public int getMaxFrequencyOfExactMatches(final String word) {
reloadDictionaryIfRequired();
boolean lockAcquired = false;
try {
lockAcquired = mLock.readLock().tryLock(
TIMEOUT_FOR_READ_OPS_IN_MILLISECONDS, TimeUnit.MILLISECONDS);
if (lockAcquired) {
if (mBinaryDictionary == null) {
return NOT_A_PROBABILITY;
}
return mBinaryDictionary.getMaxFrequencyOfExactMatches(word);
}
} catch (final InterruptedException e) {
Log.e(TAG, "Interrupted tryLock() in getMaxFrequencyOfExactMatches().", e);
} finally {
if (lockAcquired) {
mLock.readLock().unlock();
}
}
return NOT_A_PROBABILITY;
}
protected boolean isValidNgramLocked(final PrevWordsInfo prevWordsInfo, final String word) {
if (mBinaryDictionary == null) return false;
return mBinaryDictionary.isValidNgram(prevWordsInfo, word);

12
java/src/com/android/inputmethod/latin/ReadOnlyBinaryDictionary.java
View file

@ -101,6 +101,18 @@ public final class ReadOnlyBinaryDictionary extends Dictionary {
return NOT_A_PROBABILITY;
}
@Override
public int getMaxFrequencyOfExactMatches(final String word) {
if (mLock.readLock().tryLock()) {
try {
return mBinaryDictionary.getMaxFrequencyOfExactMatches(word);
} finally {
mLock.readLock().unlock();
}
}
return NOT_A_PROBABILITY;
}
@Override
public void close() {
mLock.writeLock().lock();