Add getMaxFrequencyOfExactMatches() to Dictionary. (d988fcc9) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/Dictionary.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -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.

java/src/com/android/inputmethod/latin/DictionaryFacilitator.java

+24 −10

Original line number	Diff line number	Diff line
		@@ -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);

java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -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);

java/src/com/android/inputmethod/latin/ReadOnlyBinaryDictionary.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -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();