1 files changed, 0 insertions, 217 deletions
diff --git a/java/src/com/android/inputmethod/latin/personalization/DynamicPredictionDictionaryBase.java b/java/src/com/android/inputmethod/latin/personalization/DynamicPredictionDictionaryBase.java
deleted file mode 100644
index 075d7e3c3..000000000
--- a/java/src/com/android/inputmethod/latin/personalization/DynamicPredictionDictionaryBase.java
+++ /dev/null
@@ -1,217 +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.personalization;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.util.Log;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-import com.android.inputmethod.latin.Constants;
-import com.android.inputmethod.latin.ExpandableBinaryDictionary;
-import com.android.inputmethod.latin.LatinImeLogger;
-import com.android.inputmethod.latin.makedict.DictDecoder;
-import com.android.inputmethod.latin.makedict.FormatSpec;
-import com.android.inputmethod.latin.settings.Settings;
-import com.android.inputmethod.latin.utils.CollectionUtils;
-import com.android.inputmethod.latin.utils.UserHistoryDictIOUtils;
-import com.android.inputmethod.latin.utils.UserHistoryDictIOUtils.OnAddWordListener;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.ArrayList;
-
-/**
- * This class is a base class of a dictionary for the personalized prediction language model.
- */
-public abstract class DynamicPredictionDictionaryBase extends ExpandableBinaryDictionary {
-    private static final String TAG = DynamicPredictionDictionaryBase.class.getSimpleName();
-    public static final boolean DBG_SAVE_RESTORE = false;
-    private static final boolean DBG_STRESS_TEST = false;
-    private static final boolean PROFILE_SAVE_RESTORE = LatinImeLogger.sDBG;
-
-    /** Any pair being typed or picked */
-    public static final int FREQUENCY_FOR_TYPED = 2;
-
-    /** Locale for which this user history dictionary is storing words */
-    private final String mLocale;
-
-    private final String mFileName;
-
-    private final SharedPreferences mPrefs;
-
-    private final ArrayList<PersonalizationDictionaryUpdateSession> mSessions =
-            CollectionUtils.newArrayList();
-
-    // Should always be false except when we use this class for test
-    @UsedForTesting boolean mIsTest = false;
-
-    /* package */ DynamicPredictionDictionaryBase(final Context context, final String locale,
-            final SharedPreferences sp, final String dictionaryType, final String fileName) {
-        super(context, fileName, dictionaryType, true);
-        mLocale = locale;
-        mFileName = fileName;
-        mPrefs = sp;
-        if (mLocale != null && mLocale.length() > 1) {
-            asyncLoadDictionaryToMemory();
-            reloadDictionaryIfRequired();
-        }
-    }
-
-    @Override
-    public void close() {
-        if (!ExpandableBinaryDictionary.ENABLE_BINARY_DICTIONARY_DYNAMIC_UPDATE) {
-            closeBinaryDictionary();
-        }
-        // Flush pending writes.
-        // TODO: Remove after this class become to use a dynamic binary dictionary.
-        asyncFlashAllBinaryDictionary();
-        Settings.writeLastUserHistoryWriteTime(mPrefs, mLocale);
-    }
-
-    @Override
-    protected boolean hasContentChanged() {
-        return false;
-    }
-
-    @Override
-    protected boolean needsToReloadBeforeWriting() {
-        return false;
-    }
-
-    /**
-     * Return whether the passed charsequence is in the dictionary.
-     */
-    @Override
-    public boolean isValidWord(final String word) {
-     // Words included only in the user history should be treated as not in dictionary words.
-        return false;
-    }
-
-    /**
-     * Pair will be added to the personalization prediction 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 addToPersonalizationPredictionDictionary(
-            final String word0, final String word1, final boolean isValid) {
-        if (word1.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH ||
-                (word0 != null && word0.length() >= Constants.DICTIONARY_MAX_WORD_LENGTH)) {
-            return;
-        }
-        addWordDynamically(word1, null /* the "shortcut" parameter is null */, FREQUENCY_FOR_TYPED,
-                false /* isNotAWord */);
-        // Do not insert a word as a bigram of itself
-        if (word1.equals(word0)) {
-            return;
-        }
-        if (null != word0) {
-            addBigramDynamically(word0, word1, FREQUENCY_FOR_TYPED, isValid);
-        }
-    }
-
-    public void cancelAddingUserHistory(final String word0, final String word1) {
-        removeBigramDynamically(word0, word1);
-    }
-
-    @Override
-    protected void loadDictionaryAsync() {
-        final int[] profTotalCount = { 0 };
-        final String locale = getLocale();
-        if (DBG_STRESS_TEST) {
-            try {
-                Log.w(TAG, "Start stress in loading: " + locale);
-                Thread.sleep(15000);
-                Log.w(TAG, "End stress in loading");
-            } catch (InterruptedException e) {
-            }
-        }
-        final long last = Settings.readLastUserHistoryWriteTime(mPrefs, locale);
-        final long now = System.currentTimeMillis();
-        final ExpandableBinaryDictionary dictionary = this;
-        final OnAddWordListener listener = new OnAddWordListener() {
-            @Override
-            public void setUnigram(final String word, final String shortcutTarget,
-                    final int frequency) {
-                if (DBG_SAVE_RESTORE) {
-                    Log.d(TAG, "load unigram: " + word + "," + frequency);
-                }
-                addWord(word, shortcutTarget, frequency, false /* isNotAWord */);
-                ++profTotalCount[0];
-            }
-
-            @Override
-            public void setBigram(final String word0, final String word1, final int frequency) {
-                if (word0.length() < Constants.DICTIONARY_MAX_WORD_LENGTH
-                        && word1.length() < Constants.DICTIONARY_MAX_WORD_LENGTH) {
-                    if (DBG_SAVE_RESTORE) {
-                        Log.d(TAG, "load bigram: " + word0 + "," + word1 + "," + frequency);
-                    }
-                    ++profTotalCount[0];
-                    addBigram(word0, word1, frequency, last);
-                }
-            }
-        };
-
-        // Load the dictionary from binary file
-        final File dictFile = new File(mContext.getFilesDir(), mFileName);
-        final DictDecoder dictDecoder = FormatSpec.getDictDecoder(dictFile,
-                DictDecoder.USE_BYTEARRAY);
-        if (dictDecoder == null) {
-            // This is an expected condition: we don't have a user history dictionary for this
-            // language yet. It will be created sometime later.
-            return;
-        }
-
-        try {
-            dictDecoder.openDictBuffer();
-            UserHistoryDictIOUtils.readDictionaryBinary(dictDecoder, listener);
-        } catch (IOException e) {
-            Log.d(TAG, "IOException on opening a bytebuffer", e);
-        } finally {
-            if (PROFILE_SAVE_RESTORE) {
-                final long diff = System.currentTimeMillis() - now;
-                Log.d(TAG, "PROF: Load UserHistoryDictionary: "
-                        + locale + ", " + diff + "ms. load " + profTotalCount[0] + "entries.");
-            }
-        }
-    }
-
-    protected String getLocale() {
-        return mLocale;
-    }
-
-    public void registerUpdateSession(PersonalizationDictionaryUpdateSession session) {
-        session.setPredictionDictionary(this);
-        mSessions.add(session);
-        session.onDictionaryReady();
-    }
-
-    public void unRegisterUpdateSession(PersonalizationDictionaryUpdateSession session) {
-        mSessions.remove(session);
-    }
-
-    public void clearAndFlushDictionary() {
-        // Clear the node structure on memory
-        clear();
-        // Then flush the cleared state of the dictionary on disk.
-        asyncFlashAllBinaryDictionary();
-    }
-}