| /* |
| * 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.dialer.database; |
| |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.database.Cursor; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteException; |
| import android.database.sqlite.SQLiteOpenHelper; |
| import android.database.sqlite.SQLiteStatement; |
| import android.net.Uri; |
| import android.provider.BaseColumns; |
| import android.provider.ContactsContract; |
| import android.provider.ContactsContract.CommonDataKinds.Phone; |
| import android.provider.ContactsContract.Contacts; |
| import android.provider.ContactsContract.Data; |
| import android.provider.ContactsContract.Directory; |
| import android.support.annotation.VisibleForTesting; |
| import android.support.annotation.WorkerThread; |
| import android.text.TextUtils; |
| import com.android.contacts.common.util.StopWatch; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.common.concurrent.DefaultFutureCallback; |
| import com.android.dialer.common.concurrent.DialerExecutorComponent; |
| import com.android.dialer.common.concurrent.DialerFutureSerializer; |
| import com.android.dialer.common.database.Selection; |
| import com.android.dialer.configprovider.ConfigProviderComponent; |
| import com.android.dialer.contacts.resources.R; |
| import com.android.dialer.smartdial.util.SmartDialNameMatcher; |
| import com.android.dialer.smartdial.util.SmartDialPrefix; |
| import com.android.dialer.util.PermissionsUtil; |
| import com.google.common.util.concurrent.Futures; |
| import com.google.common.util.concurrent.MoreExecutors; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| /** |
| * Database helper for smart dial. Designed as a singleton to make sure there is only one access |
| * point to the database. Provides methods to maintain, update, and query the database. |
| */ |
| public class DialerDatabaseHelper extends SQLiteOpenHelper { |
| |
| /** |
| * SmartDial DB version ranges: |
| * |
| * <pre> |
| * 0-98 KitKat |
| * </pre> |
| */ |
| public static final int DATABASE_VERSION = 11; |
| |
| public static final String DATABASE_NAME = "dialer.db"; |
| |
| public static final String ACTION_SMART_DIAL_UPDATED = |
| "com.android.dialer.database.ACTION_SMART_DIAL_UPDATED"; |
| private static final String TAG = "DialerDatabaseHelper"; |
| private static final boolean DEBUG = false; |
| /** Saves the last update time of smart dial databases to shared preferences. */ |
| private static final String DATABASE_LAST_CREATED_SHARED_PREF = "com.android.dialer"; |
| |
| private static final String LAST_UPDATED_MILLIS = "last_updated_millis"; |
| |
| @VisibleForTesting |
| static final String DEFAULT_LAST_UPDATED_CONFIG_KEY = "smart_dial_default_last_update_millis"; |
| |
| private static final String DATABASE_VERSION_PROPERTY = "database_version"; |
| private static final int MAX_ENTRIES = 20; |
| |
| private final Context context; |
| private final DialerFutureSerializer dialerFutureSerializer = new DialerFutureSerializer(); |
| |
| protected DialerDatabaseHelper(Context context, String databaseName, int dbVersion) { |
| super(context, databaseName, null, dbVersion); |
| this.context = Objects.requireNonNull(context, "Context must not be null"); |
| } |
| |
| /** |
| * Creates tables in the database when database is created for the first time. |
| * |
| * @param db The database. |
| */ |
| @Override |
| public void onCreate(SQLiteDatabase db) { |
| setupTables(db); |
| } |
| |
| private void setupTables(SQLiteDatabase db) { |
| dropTables(db); |
| db.execSQL( |
| "CREATE TABLE " |
| + Tables.SMARTDIAL_TABLE |
| + " (" |
| + SmartDialDbColumns._ID |
| + " INTEGER PRIMARY KEY AUTOINCREMENT," |
| + SmartDialDbColumns.DATA_ID |
| + " INTEGER, " |
| + SmartDialDbColumns.NUMBER |
| + " TEXT," |
| + SmartDialDbColumns.CONTACT_ID |
| + " INTEGER," |
| + SmartDialDbColumns.LOOKUP_KEY |
| + " TEXT," |
| + SmartDialDbColumns.DISPLAY_NAME_PRIMARY |
| + " TEXT, " |
| + SmartDialDbColumns.PHOTO_ID |
| + " INTEGER, " |
| + SmartDialDbColumns.LAST_SMARTDIAL_UPDATE_TIME |
| + " LONG, " |
| + SmartDialDbColumns.LAST_TIME_USED |
| + " LONG, " |
| + SmartDialDbColumns.TIMES_USED |
| + " INTEGER, " |
| + SmartDialDbColumns.STARRED |
| + " INTEGER, " |
| + SmartDialDbColumns.IS_SUPER_PRIMARY |
| + " INTEGER, " |
| + SmartDialDbColumns.IN_VISIBLE_GROUP |
| + " INTEGER, " |
| + SmartDialDbColumns.IS_PRIMARY |
| + " INTEGER, " |
| + SmartDialDbColumns.CARRIER_PRESENCE |
| + " INTEGER NOT NULL DEFAULT 0" |
| + ");"); |
| |
| db.execSQL( |
| "CREATE TABLE " |
| + Tables.PREFIX_TABLE |
| + " (" |
| + PrefixColumns._ID |
| + " INTEGER PRIMARY KEY AUTOINCREMENT," |
| + PrefixColumns.PREFIX |
| + " TEXT COLLATE NOCASE, " |
| + PrefixColumns.CONTACT_ID |
| + " INTEGER" |
| + ");"); |
| |
| db.execSQL( |
| "CREATE TABLE " |
| + Tables.PROPERTIES |
| + " (" |
| + PropertiesColumns.PROPERTY_KEY |
| + " TEXT PRIMARY KEY, " |
| + PropertiesColumns.PROPERTY_VALUE |
| + " TEXT " |
| + ");"); |
| |
| setProperty(db, DATABASE_VERSION_PROPERTY, String.valueOf(DATABASE_VERSION)); |
| resetSmartDialLastUpdatedTime(); |
| } |
| |
| public void dropTables(SQLiteDatabase db) { |
| db.execSQL("DROP TABLE IF EXISTS " + Tables.PREFIX_TABLE); |
| db.execSQL("DROP TABLE IF EXISTS " + Tables.SMARTDIAL_TABLE); |
| db.execSQL("DROP TABLE IF EXISTS " + Tables.PROPERTIES); |
| db.execSQL("DROP TABLE IF EXISTS " + Tables.VOICEMAIL_ARCHIVE_TABLE); |
| db.execSQL("DROP TABLE IF EXISTS filtered_numbers_table"); |
| } |
| |
| @Override |
| public void onUpgrade(SQLiteDatabase db, int oldNumber, int newNumber) { |
| // Disregard the old version and new versions provided by SQLiteOpenHelper, we will read |
| // our own from the database. |
| |
| int oldVersion; |
| |
| oldVersion = getPropertyAsInt(db, DATABASE_VERSION_PROPERTY, 0); |
| |
| if (oldVersion == 0) { |
| LogUtil.e( |
| "DialerDatabaseHelper.onUpgrade", "malformed database version..recreating database"); |
| } |
| |
| if (oldVersion < 4) { |
| setupTables(db); |
| return; |
| } |
| |
| if (oldVersion < 7) { |
| oldVersion = 7; |
| } |
| |
| if (oldVersion < 8) { |
| upgradeToVersion8(db); |
| oldVersion = 8; |
| } |
| |
| if (oldVersion < 10) { |
| db.execSQL("DROP TABLE IF EXISTS " + Tables.VOICEMAIL_ARCHIVE_TABLE); |
| oldVersion = 10; |
| } |
| |
| if (oldVersion < 11) { |
| db.execSQL("DROP TABLE IF EXISTS filtered_numbers_table"); |
| oldVersion = 11; |
| } |
| |
| if (oldVersion != DATABASE_VERSION) { |
| throw new IllegalStateException( |
| "error upgrading the database to version " + DATABASE_VERSION); |
| } |
| |
| setProperty(db, DATABASE_VERSION_PROPERTY, String.valueOf(DATABASE_VERSION)); |
| } |
| |
| public void upgradeToVersion8(SQLiteDatabase db) { |
| db.execSQL("ALTER TABLE smartdial_table ADD carrier_presence INTEGER NOT NULL DEFAULT 0"); |
| } |
| |
| @Override |
| public void onDowngrade(SQLiteDatabase db, int oldNumber, int newNumber) { |
| // Disregard the old version and new versions provided by SQLiteOpenHelper, we will read |
| // our own from the database. |
| |
| int oldVersion; |
| |
| oldVersion = getPropertyAsInt(db, DATABASE_VERSION_PROPERTY, 0); |
| |
| if (oldVersion == 0) { |
| LogUtil.e( |
| "DialerDatabaseHelper.onDowngrade", "malformed database version..recreating database"); |
| setupTables(db); |
| return; |
| } |
| |
| if (oldVersion == 70011) { |
| oldVersion = 10; |
| } |
| |
| if (oldVersion != DATABASE_VERSION) { |
| throw new IllegalStateException( |
| "error downgrading the database to version " + DATABASE_VERSION); |
| } |
| |
| setProperty(db, DATABASE_VERSION_PROPERTY, String.valueOf(DATABASE_VERSION)); |
| } |
| |
| /** Stores a key-value pair in the {@link Tables#PROPERTIES} table. */ |
| public void setProperty(String key, String value) { |
| setProperty(getWritableDatabase(), key, value); |
| } |
| |
| public void setProperty(SQLiteDatabase db, String key, String value) { |
| final ContentValues values = new ContentValues(); |
| values.put(PropertiesColumns.PROPERTY_KEY, key); |
| values.put(PropertiesColumns.PROPERTY_VALUE, value); |
| db.replace(Tables.PROPERTIES, null, values); |
| } |
| |
| /** Returns the value from the {@link Tables#PROPERTIES} table. */ |
| public String getProperty(String key, String defaultValue) { |
| return getProperty(getReadableDatabase(), key, defaultValue); |
| } |
| |
| public String getProperty(SQLiteDatabase db, String key, String defaultValue) { |
| try { |
| String value = null; |
| final Cursor cursor = |
| db.query( |
| Tables.PROPERTIES, |
| new String[] {PropertiesColumns.PROPERTY_VALUE}, |
| PropertiesColumns.PROPERTY_KEY + "=?", |
| new String[] {key}, |
| null, |
| null, |
| null); |
| if (cursor != null) { |
| try { |
| if (cursor.moveToFirst()) { |
| value = cursor.getString(0); |
| } |
| } finally { |
| cursor.close(); |
| } |
| } |
| return value != null ? value : defaultValue; |
| } catch (SQLiteException e) { |
| return defaultValue; |
| } |
| } |
| |
| public int getPropertyAsInt(SQLiteDatabase db, String key, int defaultValue) { |
| final String stored = getProperty(db, key, ""); |
| try { |
| return Integer.parseInt(stored); |
| } catch (NumberFormatException e) { |
| return defaultValue; |
| } |
| } |
| |
| private void resetSmartDialLastUpdatedTime() { |
| final SharedPreferences databaseLastUpdateSharedPref = |
| context.getSharedPreferences(DATABASE_LAST_CREATED_SHARED_PREF, Context.MODE_PRIVATE); |
| final SharedPreferences.Editor editor = databaseLastUpdateSharedPref.edit(); |
| editor.putLong(LAST_UPDATED_MILLIS, 0); |
| editor.apply(); |
| } |
| |
| /** |
| * Starts the database upgrade process in the background. |
| * |
| * @see #updateSmartDialDatabase(boolean) for the usage of {@code forceUpdate}. |
| */ |
| public void startSmartDialUpdateThread(boolean forceUpdate) { |
| if (PermissionsUtil.hasContactsReadPermissions(context)) { |
| Futures.addCallback( |
| // Serialize calls to updateSmartDialDatabase. Use FutureSerializer instead of |
| // synchronizing on the method to prevent deadlocking thread pool. FutureSerializer |
| // provides the guarantee that the next AsyncCallable won't even be submitted until the |
| // ListenableFuture returned by the previous one completes. See a bug. |
| dialerFutureSerializer.submit( |
| () -> { |
| updateSmartDialDatabase(forceUpdate); |
| return null; |
| }, |
| DialerExecutorComponent.get(context).backgroundExecutor()), |
| new DefaultFutureCallback<>(), |
| MoreExecutors.directExecutor()); |
| } |
| } |
| |
| /** |
| * Removes rows in the smartdial database that matches the contacts that have been deleted by |
| * other apps since last update. |
| * |
| * @param db Database to operate on. |
| * @param lastUpdatedTimeMillis the last time at which an update to the smart dial database was |
| * run. |
| */ |
| private void removeDeletedContacts(SQLiteDatabase db, String lastUpdatedTimeMillis) { |
| Cursor deletedContactCursor = getDeletedContactCursor(lastUpdatedTimeMillis); |
| |
| if (deletedContactCursor == null) { |
| return; |
| } |
| |
| db.beginTransaction(); |
| try { |
| if (!deletedContactCursor.moveToFirst()) { |
| return; |
| } |
| |
| do { |
| if (deletedContactCursor.isNull(DeleteContactQuery.DELETED_CONTACT_ID)) { |
| LogUtil.i( |
| "DialerDatabaseHelper.removeDeletedContacts", |
| "contact_id column null. Row was deleted during iteration, skipping"); |
| continue; |
| } |
| |
| long deleteContactId = deletedContactCursor.getLong(DeleteContactQuery.DELETED_CONTACT_ID); |
| |
| Selection smartDialSelection = |
| Selection.column(SmartDialDbColumns.CONTACT_ID).is("=", deleteContactId); |
| db.delete( |
| Tables.SMARTDIAL_TABLE, |
| smartDialSelection.getSelection(), |
| smartDialSelection.getSelectionArgs()); |
| |
| Selection prefixSelection = |
| Selection.column(PrefixColumns.CONTACT_ID).is("=", deleteContactId); |
| db.delete( |
| Tables.PREFIX_TABLE, |
| prefixSelection.getSelection(), |
| prefixSelection.getSelectionArgs()); |
| } while (deletedContactCursor.moveToNext()); |
| |
| db.setTransactionSuccessful(); |
| } finally { |
| deletedContactCursor.close(); |
| db.endTransaction(); |
| } |
| } |
| |
| private Cursor getDeletedContactCursor(String lastUpdateMillis) { |
| return context |
| .getContentResolver() |
| .query( |
| DeleteContactQuery.URI, |
| DeleteContactQuery.PROJECTION, |
| DeleteContactQuery.SELECT_UPDATED_CLAUSE, |
| new String[] {lastUpdateMillis}, |
| null); |
| } |
| |
| /** |
| * Removes potentially corrupted entries in the database. These contacts may be added before the |
| * previous instance of the dialer was destroyed for some reason. For data integrity, we delete |
| * all of them. |
| * |
| * @param db Database pointer to the dialer database. |
| * @param last_update_time Time stamp of last successful update of the dialer database. |
| */ |
| private void removePotentiallyCorruptedContacts(SQLiteDatabase db, String last_update_time) { |
| db.delete( |
| Tables.PREFIX_TABLE, |
| PrefixColumns.CONTACT_ID |
| + " IN " |
| + "(SELECT " |
| + SmartDialDbColumns.CONTACT_ID |
| + " FROM " |
| + Tables.SMARTDIAL_TABLE |
| + " WHERE " |
| + SmartDialDbColumns.LAST_SMARTDIAL_UPDATE_TIME |
| + " > " |
| + last_update_time |
| + ")", |
| null); |
| db.delete( |
| Tables.SMARTDIAL_TABLE, |
| SmartDialDbColumns.LAST_SMARTDIAL_UPDATE_TIME + " > " + last_update_time, |
| null); |
| } |
| |
| /** |
| * Removes rows in the smartdial database that matches updated contacts. |
| * |
| * @param db Database pointer to the smartdial database |
| * @param updatedContactCursor Cursor pointing to the list of recently updated contacts. |
| */ |
| @VisibleForTesting |
| void removeUpdatedContacts(SQLiteDatabase db, Cursor updatedContactCursor) { |
| db.beginTransaction(); |
| try { |
| updatedContactCursor.moveToPosition(-1); |
| while (updatedContactCursor.moveToNext()) { |
| if (updatedContactCursor.isNull(UpdatedContactQuery.UPDATED_CONTACT_ID)) { |
| LogUtil.i( |
| "DialerDatabaseHelper.removeUpdatedContacts", |
| "contact_id column null. Row was deleted during iteration, skipping"); |
| continue; |
| } |
| |
| final Long contactId = updatedContactCursor.getLong(UpdatedContactQuery.UPDATED_CONTACT_ID); |
| |
| db.delete(Tables.SMARTDIAL_TABLE, SmartDialDbColumns.CONTACT_ID + "=" + contactId, null); |
| db.delete(Tables.PREFIX_TABLE, PrefixColumns.CONTACT_ID + "=" + contactId, null); |
| } |
| |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| /** |
| * Inserts updated contacts as rows to the smartdial table. |
| * |
| * @param db Database pointer to the smartdial database. |
| * @param updatedContactCursor Cursor pointing to the list of recently updated contacts. |
| * @param currentMillis Current time to be recorded in the smartdial table as update timestamp. |
| */ |
| @VisibleForTesting |
| protected void insertUpdatedContactsAndNumberPrefix( |
| SQLiteDatabase db, Cursor updatedContactCursor, Long currentMillis) { |
| db.beginTransaction(); |
| try { |
| final String sqlInsert = |
| "INSERT INTO " |
| + Tables.SMARTDIAL_TABLE |
| + " (" |
| + SmartDialDbColumns.DATA_ID |
| + ", " |
| + SmartDialDbColumns.NUMBER |
| + ", " |
| + SmartDialDbColumns.CONTACT_ID |
| + ", " |
| + SmartDialDbColumns.LOOKUP_KEY |
| + ", " |
| + SmartDialDbColumns.DISPLAY_NAME_PRIMARY |
| + ", " |
| + SmartDialDbColumns.PHOTO_ID |
| + ", " |
| + SmartDialDbColumns.LAST_TIME_USED |
| + ", " |
| + SmartDialDbColumns.TIMES_USED |
| + ", " |
| + SmartDialDbColumns.STARRED |
| + ", " |
| + SmartDialDbColumns.IS_SUPER_PRIMARY |
| + ", " |
| + SmartDialDbColumns.IN_VISIBLE_GROUP |
| + ", " |
| + SmartDialDbColumns.IS_PRIMARY |
| + ", " |
| + SmartDialDbColumns.CARRIER_PRESENCE |
| + ", " |
| + SmartDialDbColumns.LAST_SMARTDIAL_UPDATE_TIME |
| + ") " |
| + " VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"; |
| final SQLiteStatement insert = db.compileStatement(sqlInsert); |
| |
| final String numberSqlInsert = |
| "INSERT INTO " |
| + Tables.PREFIX_TABLE |
| + " (" |
| + PrefixColumns.CONTACT_ID |
| + ", " |
| + PrefixColumns.PREFIX |
| + ") " |
| + " VALUES (?, ?)"; |
| final SQLiteStatement numberInsert = db.compileStatement(numberSqlInsert); |
| |
| updatedContactCursor.moveToPosition(-1); |
| while (updatedContactCursor.moveToNext()) { |
| insert.clearBindings(); |
| |
| if (updatedContactCursor.isNull(PhoneQuery.PHONE_ID)) { |
| LogUtil.i( |
| "DialerDatabaseHelper.insertUpdatedContactsAndNumberPrefix", |
| "_id column null. Row was deleted during iteration, skipping"); |
| continue; |
| } |
| |
| // Handle string columns which can possibly be null first. In the case of certain |
| // null columns (due to malformed rows possibly inserted by third-party apps |
| // or sync adapters), skip the phone number row. |
| final String number = updatedContactCursor.getString(PhoneQuery.PHONE_NUMBER); |
| if (TextUtils.isEmpty(number)) { |
| continue; |
| } else { |
| insert.bindString(2, number); |
| } |
| |
| final String lookupKey = updatedContactCursor.getString(PhoneQuery.PHONE_LOOKUP_KEY); |
| if (TextUtils.isEmpty(lookupKey)) { |
| continue; |
| } else { |
| insert.bindString(4, lookupKey); |
| } |
| |
| final String displayName = updatedContactCursor.getString(PhoneQuery.PHONE_DISPLAY_NAME); |
| if (displayName == null) { |
| insert.bindString(5, context.getResources().getString(R.string.missing_name)); |
| } else { |
| insert.bindString(5, displayName); |
| } |
| insert.bindLong(1, updatedContactCursor.getLong(PhoneQuery.PHONE_ID)); |
| insert.bindLong(3, updatedContactCursor.getLong(PhoneQuery.PHONE_CONTACT_ID)); |
| insert.bindLong(6, updatedContactCursor.getLong(PhoneQuery.PHONE_PHOTO_ID)); |
| insert.bindLong(7, updatedContactCursor.getLong(PhoneQuery.PHONE_LAST_TIME_USED)); |
| insert.bindLong(8, updatedContactCursor.getInt(PhoneQuery.PHONE_TIMES_USED)); |
| insert.bindLong(9, updatedContactCursor.getInt(PhoneQuery.PHONE_STARRED)); |
| insert.bindLong(10, updatedContactCursor.getInt(PhoneQuery.PHONE_IS_SUPER_PRIMARY)); |
| insert.bindLong(11, updatedContactCursor.getInt(PhoneQuery.PHONE_IN_VISIBLE_GROUP)); |
| insert.bindLong(12, updatedContactCursor.getInt(PhoneQuery.PHONE_IS_PRIMARY)); |
| insert.bindLong(13, updatedContactCursor.getInt(PhoneQuery.PHONE_CARRIER_PRESENCE)); |
| insert.bindLong(14, currentMillis); |
| insert.executeInsert(); |
| final String contactPhoneNumber = updatedContactCursor.getString(PhoneQuery.PHONE_NUMBER); |
| final ArrayList<String> numberPrefixes = |
| SmartDialPrefix.parseToNumberTokens(context, contactPhoneNumber); |
| |
| for (String numberPrefix : numberPrefixes) { |
| numberInsert.bindLong(1, updatedContactCursor.getLong(PhoneQuery.PHONE_CONTACT_ID)); |
| numberInsert.bindString(2, numberPrefix); |
| numberInsert.executeInsert(); |
| numberInsert.clearBindings(); |
| } |
| } |
| |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| /** |
| * Inserts prefixes of contact names to the prefix table. |
| * |
| * @param db Database pointer to the smartdial database. |
| * @param nameCursor Cursor pointing to the list of distinct updated contacts. |
| */ |
| @VisibleForTesting |
| void insertNamePrefixes(SQLiteDatabase db, Cursor nameCursor) { |
| final int columnIndexName = nameCursor.getColumnIndex(SmartDialDbColumns.DISPLAY_NAME_PRIMARY); |
| final int columnIndexContactId = nameCursor.getColumnIndex(SmartDialDbColumns.CONTACT_ID); |
| |
| db.beginTransaction(); |
| try { |
| final String sqlInsert = |
| "INSERT INTO " |
| + Tables.PREFIX_TABLE |
| + " (" |
| + PrefixColumns.CONTACT_ID |
| + ", " |
| + PrefixColumns.PREFIX |
| + ") " |
| + " VALUES (?, ?)"; |
| final SQLiteStatement insert = db.compileStatement(sqlInsert); |
| |
| while (nameCursor.moveToNext()) { |
| if (nameCursor.isNull(columnIndexContactId)) { |
| LogUtil.i( |
| "DialerDatabaseHelper.insertNamePrefixes", |
| "contact_id column null. Row was deleted during iteration, skipping"); |
| continue; |
| } |
| |
| /** Computes a list of prefixes of a given contact name. */ |
| final ArrayList<String> namePrefixes = |
| SmartDialPrefix.generateNamePrefixes(context, nameCursor.getString(columnIndexName)); |
| |
| for (String namePrefix : namePrefixes) { |
| insert.bindLong(1, nameCursor.getLong(columnIndexContactId)); |
| insert.bindString(2, namePrefix); |
| insert.executeInsert(); |
| insert.clearBindings(); |
| } |
| } |
| |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| /** |
| * Updates the smart dial and prefix database. This method queries the Delta API to get changed |
| * contacts since last update, and updates the records in smartdial database and prefix database |
| * accordingly. It also queries the deleted contact database to remove newly deleted contacts |
| * since last update. |
| * |
| * @param forceUpdate If set to true, update the database by reloading all contacts. |
| */ |
| @WorkerThread |
| public void updateSmartDialDatabase(boolean forceUpdate) { |
| LogUtil.enterBlock("DialerDatabaseHelper.updateSmartDialDatabase"); |
| |
| final SQLiteDatabase db = getWritableDatabase(); |
| |
| LogUtil.v("DialerDatabaseHelper.updateSmartDialDatabase", "starting to update database"); |
| final StopWatch stopWatch = DEBUG ? StopWatch.start("Updating databases") : null; |
| |
| /** Gets the last update time on the database. */ |
| final SharedPreferences databaseLastUpdateSharedPref = |
| context.getSharedPreferences(DATABASE_LAST_CREATED_SHARED_PREF, Context.MODE_PRIVATE); |
| |
| long defaultLastUpdateMillis = |
| ConfigProviderComponent.get(context) |
| .getConfigProvider() |
| .getLong(DEFAULT_LAST_UPDATED_CONFIG_KEY, 0); |
| |
| long sharedPrefLastUpdateMillis = |
| databaseLastUpdateSharedPref.getLong(LAST_UPDATED_MILLIS, defaultLastUpdateMillis); |
| |
| final String lastUpdateMillis = String.valueOf(forceUpdate ? 0 : sharedPrefLastUpdateMillis); |
| |
| LogUtil.i( |
| "DialerDatabaseHelper.updateSmartDialDatabase", "last updated at %s", lastUpdateMillis); |
| |
| /** Sets the time after querying the database as the current update time. */ |
| final Long currentMillis = System.currentTimeMillis(); |
| |
| if (DEBUG) { |
| stopWatch.lap("Queried the Contacts database"); |
| } |
| |
| /** Removes contacts that have been deleted. */ |
| removeDeletedContacts(db, lastUpdateMillis); |
| removePotentiallyCorruptedContacts(db, lastUpdateMillis); |
| |
| if (DEBUG) { |
| stopWatch.lap("Finished deleting deleted entries"); |
| } |
| |
| /** |
| * If the database did not exist before, jump through deletion as there is nothing to delete. |
| */ |
| if (!lastUpdateMillis.equals("0")) { |
| /** |
| * Removes contacts that have been updated. Updated contact information will be inserted |
| * later. Note that this has to use a separate result set from updatePhoneCursor, since it is |
| * possible for a contact to be updated (e.g. phone number deleted), but have no results show |
| * up in updatedPhoneCursor (since all of its phone numbers have been deleted). |
| */ |
| final Cursor updatedContactCursor = |
| context |
| .getContentResolver() |
| .query( |
| UpdatedContactQuery.URI, |
| UpdatedContactQuery.PROJECTION, |
| UpdatedContactQuery.SELECT_UPDATED_CLAUSE, |
| new String[] {lastUpdateMillis}, |
| null); |
| if (updatedContactCursor == null) { |
| LogUtil.e( |
| "DialerDatabaseHelper.updateSmartDialDatabase", |
| "smartDial query received null for cursor"); |
| return; |
| } |
| try { |
| removeUpdatedContacts(db, updatedContactCursor); |
| } finally { |
| updatedContactCursor.close(); |
| } |
| if (DEBUG) { |
| stopWatch.lap("Finished deleting entries belonging to updated contacts"); |
| } |
| } |
| |
| /** |
| * Queries the contact database to get all phone numbers that have been updated since the last |
| * update time. |
| */ |
| final Cursor updatedPhoneCursor = |
| context |
| .getContentResolver() |
| .query( |
| PhoneQuery.URI, |
| PhoneQuery.PROJECTION, |
| PhoneQuery.SELECTION, |
| new String[] {lastUpdateMillis}, |
| null); |
| if (updatedPhoneCursor == null) { |
| LogUtil.e( |
| "DialerDatabaseHelper.updateSmartDialDatabase", |
| "smartDial query received null for cursor"); |
| return; |
| } |
| |
| try { |
| /** Inserts recently updated phone numbers to the smartdial database. */ |
| insertUpdatedContactsAndNumberPrefix(db, updatedPhoneCursor, currentMillis); |
| if (DEBUG) { |
| stopWatch.lap("Finished building the smart dial table"); |
| } |
| } finally { |
| updatedPhoneCursor.close(); |
| } |
| |
| /** |
| * Gets a list of distinct contacts which have been updated, and adds the name prefixes of these |
| * contacts to the prefix table. |
| */ |
| final Cursor nameCursor = |
| db.rawQuery( |
| "SELECT DISTINCT " |
| + SmartDialDbColumns.DISPLAY_NAME_PRIMARY |
| + ", " |
| + SmartDialDbColumns.CONTACT_ID |
| + " FROM " |
| + Tables.SMARTDIAL_TABLE |
| + " WHERE " |
| + SmartDialDbColumns.LAST_SMARTDIAL_UPDATE_TIME |
| + " = " |
| + currentMillis, |
| new String[] {}); |
| if (nameCursor != null) { |
| try { |
| if (DEBUG) { |
| stopWatch.lap("Queried the smart dial table for contact names"); |
| } |
| |
| /** Inserts prefixes of names into the prefix table. */ |
| insertNamePrefixes(db, nameCursor); |
| if (DEBUG) { |
| stopWatch.lap("Finished building the name prefix table"); |
| } |
| } finally { |
| nameCursor.close(); |
| } |
| } |
| |
| /** Creates index on contact_id for fast JOIN operation. */ |
| db.execSQL( |
| "CREATE INDEX IF NOT EXISTS smartdial_contact_id_index ON " |
| + Tables.SMARTDIAL_TABLE |
| + " (" |
| + SmartDialDbColumns.CONTACT_ID |
| + ");"); |
| /** Creates index on last_smartdial_update_time for fast SELECT operation. */ |
| db.execSQL( |
| "CREATE INDEX IF NOT EXISTS smartdial_last_update_index ON " |
| + Tables.SMARTDIAL_TABLE |
| + " (" |
| + SmartDialDbColumns.LAST_SMARTDIAL_UPDATE_TIME |
| + ");"); |
| /** Creates index on sorting fields for fast sort operation. */ |
| db.execSQL( |
| "CREATE INDEX IF NOT EXISTS smartdial_sort_index ON " |
| + Tables.SMARTDIAL_TABLE |
| + " (" |
| + SmartDialDbColumns.STARRED |
| + ", " |
| + SmartDialDbColumns.IS_SUPER_PRIMARY |
| + ", " |
| + SmartDialDbColumns.LAST_TIME_USED |
| + ", " |
| + SmartDialDbColumns.TIMES_USED |
| + ", " |
| + SmartDialDbColumns.IN_VISIBLE_GROUP |
| + ", " |
| + SmartDialDbColumns.DISPLAY_NAME_PRIMARY |
| + ", " |
| + SmartDialDbColumns.CONTACT_ID |
| + ", " |
| + SmartDialDbColumns.IS_PRIMARY |
| + ");"); |
| /** Creates index on prefix for fast SELECT operation. */ |
| db.execSQL( |
| "CREATE INDEX IF NOT EXISTS nameprefix_index ON " |
| + Tables.PREFIX_TABLE |
| + " (" |
| + PrefixColumns.PREFIX |
| + ");"); |
| /** Creates index on contact_id for fast JOIN operation. */ |
| db.execSQL( |
| "CREATE INDEX IF NOT EXISTS nameprefix_contact_id_index ON " |
| + Tables.PREFIX_TABLE |
| + " (" |
| + PrefixColumns.CONTACT_ID |
| + ");"); |
| |
| if (DEBUG) { |
| stopWatch.lap(TAG + "Finished recreating index"); |
| } |
| |
| /** Updates the database index statistics. */ |
| db.execSQL("ANALYZE " + Tables.SMARTDIAL_TABLE); |
| db.execSQL("ANALYZE " + Tables.PREFIX_TABLE); |
| db.execSQL("ANALYZE smartdial_contact_id_index"); |
| db.execSQL("ANALYZE smartdial_last_update_index"); |
| db.execSQL("ANALYZE nameprefix_index"); |
| db.execSQL("ANALYZE nameprefix_contact_id_index"); |
| if (DEBUG) { |
| stopWatch.stopAndLog(TAG + "Finished updating index stats", 0); |
| } |
| |
| final SharedPreferences.Editor editor = databaseLastUpdateSharedPref.edit(); |
| editor.putLong(LAST_UPDATED_MILLIS, currentMillis); |
| editor.apply(); |
| |
| LogUtil.i("DialerDatabaseHelper.updateSmartDialDatabase", "broadcasting smart dial update"); |
| |
| // Notify content observers that smart dial database has been updated. |
| Intent intent = new Intent(ACTION_SMART_DIAL_UPDATED); |
| intent.setPackage(context.getPackageName()); |
| context.sendBroadcast(intent); |
| } |
| |
| /** |
| * Returns a list of candidate contacts where the query is a prefix of the dialpad index of the |
| * contact's name or phone number. |
| * |
| * @param query The prefix of a contact's dialpad index. |
| * @return A list of top candidate contacts that will be suggested to user to match their input. |
| */ |
| @WorkerThread |
| public synchronized ArrayList<ContactNumber> getLooseMatches( |
| String query, SmartDialNameMatcher nameMatcher) { |
| final SQLiteDatabase db = getReadableDatabase(); |
| |
| /** Uses SQL query wildcard '%' to represent prefix matching. */ |
| final String looseQuery = query + "%"; |
| |
| final ArrayList<ContactNumber> result = new ArrayList<>(); |
| |
| final StopWatch stopWatch = DEBUG ? StopWatch.start(":Name Prefix query") : null; |
| |
| final String currentTimeStamp = Long.toString(System.currentTimeMillis()); |
| |
| /** Queries the database to find contacts that have an index matching the query prefix. */ |
| final Cursor cursor = |
| db.rawQuery( |
| "SELECT " |
| + SmartDialDbColumns.DATA_ID |
| + ", " |
| + SmartDialDbColumns.DISPLAY_NAME_PRIMARY |
| + ", " |
| + SmartDialDbColumns.PHOTO_ID |
| + ", " |
| + SmartDialDbColumns.NUMBER |
| + ", " |
| + SmartDialDbColumns.CONTACT_ID |
| + ", " |
| + SmartDialDbColumns.LOOKUP_KEY |
| + ", " |
| + SmartDialDbColumns.CARRIER_PRESENCE |
| + " FROM " |
| + Tables.SMARTDIAL_TABLE |
| + " WHERE " |
| + SmartDialDbColumns.CONTACT_ID |
| + " IN " |
| + " (SELECT " |
| + PrefixColumns.CONTACT_ID |
| + " FROM " |
| + Tables.PREFIX_TABLE |
| + " WHERE " |
| + Tables.PREFIX_TABLE |
| + "." |
| + PrefixColumns.PREFIX |
| + " LIKE '" |
| + looseQuery |
| + "')" |
| + " ORDER BY " |
| + SmartDialSortingOrder.SORT_ORDER, |
| new String[] {currentTimeStamp}); |
| if (cursor == null) { |
| return result; |
| } |
| try { |
| if (DEBUG) { |
| stopWatch.lap("Prefix query completed"); |
| } |
| |
| /** Gets the column ID from the cursor. */ |
| final int columnDataId = 0; |
| final int columnDisplayNamePrimary = 1; |
| final int columnPhotoId = 2; |
| final int columnNumber = 3; |
| final int columnId = 4; |
| final int columnLookupKey = 5; |
| final int columnCarrierPresence = 6; |
| if (DEBUG) { |
| stopWatch.lap("Found column IDs"); |
| } |
| |
| final Set<ContactMatch> duplicates = new HashSet<>(); |
| int counter = 0; |
| if (DEBUG) { |
| stopWatch.lap("Moved cursor to start"); |
| } |
| /** Iterates the cursor to find top contact suggestions without duplication. */ |
| while ((cursor.moveToNext()) && (counter < MAX_ENTRIES)) { |
| if (cursor.isNull(columnDataId)) { |
| LogUtil.i( |
| "DialerDatabaseHelper.getLooseMatches", |
| "_id column null. Row was deleted during iteration, skipping"); |
| continue; |
| } |
| final long dataID = cursor.getLong(columnDataId); |
| final String displayName = cursor.getString(columnDisplayNamePrimary); |
| final String phoneNumber = cursor.getString(columnNumber); |
| final long id = cursor.getLong(columnId); |
| final long photoId = cursor.getLong(columnPhotoId); |
| final String lookupKey = cursor.getString(columnLookupKey); |
| final int carrierPresence = cursor.getInt(columnCarrierPresence); |
| |
| /** |
| * If a contact already exists and another phone number of the contact is being processed, |
| * skip the second instance. |
| */ |
| final ContactMatch contactMatch = new ContactMatch(lookupKey, id); |
| if (duplicates.contains(contactMatch)) { |
| continue; |
| } |
| |
| /** |
| * If the contact has either the name or number that matches the query, add to the result. |
| */ |
| final boolean nameMatches = nameMatcher.matches(context, displayName); |
| final boolean numberMatches = |
| (nameMatcher.matchesNumber(context, phoneNumber, query) != null); |
| if (nameMatches || numberMatches) { |
| /** If a contact has not been added, add it to the result and the hash set. */ |
| duplicates.add(contactMatch); |
| result.add( |
| new ContactNumber( |
| id, dataID, displayName, phoneNumber, lookupKey, photoId, carrierPresence)); |
| counter++; |
| if (DEBUG) { |
| stopWatch.lap("Added one result: Name: " + displayName); |
| } |
| } |
| } |
| |
| if (DEBUG) { |
| stopWatch.stopAndLog(TAG + "Finished loading cursor", 0); |
| } |
| } finally { |
| cursor.close(); |
| } |
| return result; |
| } |
| |
| public interface Tables { |
| /** Saves the necessary smart dial information of all contacts. */ |
| String SMARTDIAL_TABLE = "smartdial_table"; |
| /** Saves all possible prefixes to refer to a contacts. */ |
| String PREFIX_TABLE = "prefix_table"; |
| /** Saves all archived voicemail information. */ |
| String VOICEMAIL_ARCHIVE_TABLE = "voicemail_archive_table"; |
| /** Database properties for internal use */ |
| String PROPERTIES = "properties"; |
| } |
| |
| public interface SmartDialDbColumns { |
| |
| String _ID = "id"; |
| String DATA_ID = "data_id"; |
| String NUMBER = "phone_number"; |
| String CONTACT_ID = "contact_id"; |
| String LOOKUP_KEY = "lookup_key"; |
| String DISPLAY_NAME_PRIMARY = "display_name"; |
| String PHOTO_ID = "photo_id"; |
| String LAST_TIME_USED = "last_time_used"; |
| String TIMES_USED = "times_used"; |
| String STARRED = "starred"; |
| String IS_SUPER_PRIMARY = "is_super_primary"; |
| String IN_VISIBLE_GROUP = "in_visible_group"; |
| String IS_PRIMARY = "is_primary"; |
| String CARRIER_PRESENCE = "carrier_presence"; |
| String LAST_SMARTDIAL_UPDATE_TIME = "last_smartdial_update_time"; |
| } |
| |
| public interface PrefixColumns extends BaseColumns { |
| |
| String PREFIX = "prefix"; |
| String CONTACT_ID = "contact_id"; |
| } |
| |
| public interface PropertiesColumns { |
| |
| String PROPERTY_KEY = "property_key"; |
| String PROPERTY_VALUE = "property_value"; |
| } |
| |
| /** Query options for querying the contact database. */ |
| public interface PhoneQuery { |
| |
| Uri URI = |
| Phone.CONTENT_URI |
| .buildUpon() |
| .appendQueryParameter( |
| ContactsContract.DIRECTORY_PARAM_KEY, String.valueOf(Directory.DEFAULT)) |
| .appendQueryParameter(ContactsContract.REMOVE_DUPLICATE_ENTRIES, "true") |
| .build(); |
| |
| String[] PROJECTION = |
| new String[] { |
| Phone._ID, // 0 |
| Phone.TYPE, // 1 |
| Phone.LABEL, // 2 |
| Phone.NUMBER, // 3 |
| Phone.CONTACT_ID, // 4 |
| Phone.LOOKUP_KEY, // 5 |
| Phone.DISPLAY_NAME_PRIMARY, // 6 |
| Phone.PHOTO_ID, // 7 |
| Data.LAST_TIME_USED, // 8 |
| Data.TIMES_USED, // 9 |
| Contacts.STARRED, // 10 |
| Data.IS_SUPER_PRIMARY, // 11 |
| Contacts.IN_VISIBLE_GROUP, // 12 |
| Data.IS_PRIMARY, // 13 |
| Data.CARRIER_PRESENCE, // 14 |
| }; |
| |
| int PHONE_ID = 0; |
| int PHONE_TYPE = 1; |
| int PHONE_LABEL = 2; |
| int PHONE_NUMBER = 3; |
| int PHONE_CONTACT_ID = 4; |
| int PHONE_LOOKUP_KEY = 5; |
| int PHONE_DISPLAY_NAME = 6; |
| int PHONE_PHOTO_ID = 7; |
| int PHONE_LAST_TIME_USED = 8; |
| int PHONE_TIMES_USED = 9; |
| int PHONE_STARRED = 10; |
| int PHONE_IS_SUPER_PRIMARY = 11; |
| int PHONE_IN_VISIBLE_GROUP = 12; |
| int PHONE_IS_PRIMARY = 13; |
| int PHONE_CARRIER_PRESENCE = 14; |
| |
| /** Selects only rows that have been updated after a certain time stamp. */ |
| String SELECT_UPDATED_CLAUSE = Phone.CONTACT_LAST_UPDATED_TIMESTAMP + " > ?"; |
| |
| /** |
| * Ignores contacts that have an unreasonably long lookup key. These are likely to be the result |
| * of multiple (> 50) merged raw contacts, and are likely to cause OutOfMemoryExceptions within |
| * SQLite, or cause memory allocation problems later on when iterating through the cursor set |
| * (see a bug) |
| */ |
| String SELECT_IGNORE_LOOKUP_KEY_TOO_LONG_CLAUSE = "length(" + Phone.LOOKUP_KEY + ") < 1000"; |
| |
| String SELECTION = SELECT_UPDATED_CLAUSE + " AND " + SELECT_IGNORE_LOOKUP_KEY_TOO_LONG_CLAUSE; |
| } |
| |
| /** |
| * Query for all contacts that have been updated since the last time the smart dial database was |
| * updated. |
| */ |
| public interface UpdatedContactQuery { |
| |
| Uri URI = ContactsContract.Contacts.CONTENT_URI; |
| |
| String[] PROJECTION = |
| new String[] { |
| ContactsContract.Contacts._ID // 0 |
| }; |
| |
| int UPDATED_CONTACT_ID = 0; |
| |
| String SELECT_UPDATED_CLAUSE = |
| ContactsContract.Contacts.CONTACT_LAST_UPDATED_TIMESTAMP + " > ?"; |
| } |
| |
| /** Query options for querying the deleted contact database. */ |
| public interface DeleteContactQuery { |
| |
| Uri URI = ContactsContract.DeletedContacts.CONTENT_URI; |
| |
| String[] PROJECTION = |
| new String[] { |
| ContactsContract.DeletedContacts.CONTACT_ID, // 0 |
| ContactsContract.DeletedContacts.CONTACT_DELETED_TIMESTAMP, // 1 |
| }; |
| |
| int DELETED_CONTACT_ID = 0; |
| int DELETED_TIMESTAMP = 1; |
| |
| /** Selects only rows that have been deleted after a certain time stamp. */ |
| String SELECT_UPDATED_CLAUSE = |
| ContactsContract.DeletedContacts.CONTACT_DELETED_TIMESTAMP + " > ?"; |
| } |
| |
| /** |
| * Gets the sorting order for the smartdial table. This computes a SQL "ORDER BY" argument by |
| * composing contact status and recent contact details together. |
| */ |
| private interface SmartDialSortingOrder { |
| |
| /** Current contacts - those contacted within the last 3 days (in milliseconds) */ |
| long LAST_TIME_USED_CURRENT_MS = 3L * 24 * 60 * 60 * 1000; |
| /** Recent contacts - those contacted within the last 30 days (in milliseconds) */ |
| long LAST_TIME_USED_RECENT_MS = 30L * 24 * 60 * 60 * 1000; |
| |
| /** Time since last contact. */ |
| String TIME_SINCE_LAST_USED_MS = |
| "( ?1 - " + Tables.SMARTDIAL_TABLE + "." + SmartDialDbColumns.LAST_TIME_USED + ")"; |
| |
| /** |
| * Contacts that have been used in the past 3 days rank higher than contacts that have been used |
| * in the past 30 days, which rank higher than contacts that have not been used in recent 30 |
| * days. |
| */ |
| String SORT_BY_DATA_USAGE = |
| "(CASE WHEN " |
| + TIME_SINCE_LAST_USED_MS |
| + " < " |
| + LAST_TIME_USED_CURRENT_MS |
| + " THEN 0 " |
| + " WHEN " |
| + TIME_SINCE_LAST_USED_MS |
| + " < " |
| + LAST_TIME_USED_RECENT_MS |
| + " THEN 1 " |
| + " ELSE 2 END)"; |
| |
| /** |
| * This sort order is similar to that used by the ContactsProvider when returning a list of |
| * frequently called contacts. |
| */ |
| String SORT_ORDER = |
| Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.STARRED |
| + " DESC, " |
| + Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.IS_SUPER_PRIMARY |
| + " DESC, " |
| + SORT_BY_DATA_USAGE |
| + ", " |
| + Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.TIMES_USED |
| + " DESC, " |
| + Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.IN_VISIBLE_GROUP |
| + " DESC, " |
| + Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.DISPLAY_NAME_PRIMARY |
| + ", " |
| + Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.CONTACT_ID |
| + ", " |
| + Tables.SMARTDIAL_TABLE |
| + "." |
| + SmartDialDbColumns.IS_PRIMARY |
| + " DESC"; |
| } |
| |
| /** |
| * Simple data format for a contact, containing only information needed for showing up in smart |
| * dial interface. |
| */ |
| public static class ContactNumber { |
| |
| public final long id; |
| public final long dataId; |
| public final String displayName; |
| public final String phoneNumber; |
| public final String lookupKey; |
| public final long photoId; |
| public final int carrierPresence; |
| |
| public ContactNumber( |
| long id, |
| long dataID, |
| String displayName, |
| String phoneNumber, |
| String lookupKey, |
| long photoId, |
| int carrierPresence) { |
| this.dataId = dataID; |
| this.id = id; |
| this.displayName = displayName; |
| this.phoneNumber = phoneNumber; |
| this.lookupKey = lookupKey; |
| this.photoId = photoId; |
| this.carrierPresence = carrierPresence; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash( |
| id, dataId, displayName, phoneNumber, lookupKey, photoId, carrierPresence); |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (this == object) { |
| return true; |
| } |
| if (object instanceof ContactNumber) { |
| final ContactNumber that = (ContactNumber) object; |
| return Objects.equals(this.id, that.id) |
| && Objects.equals(this.dataId, that.dataId) |
| && Objects.equals(this.displayName, that.displayName) |
| && Objects.equals(this.phoneNumber, that.phoneNumber) |
| && Objects.equals(this.lookupKey, that.lookupKey) |
| && Objects.equals(this.photoId, that.photoId) |
| && Objects.equals(this.carrierPresence, that.carrierPresence); |
| } |
| return false; |
| } |
| } |
| |
| /** Data format for finding duplicated contacts. */ |
| private static class ContactMatch { |
| |
| private final String lookupKey; |
| private final long id; |
| |
| public ContactMatch(String lookupKey, long id) { |
| this.lookupKey = lookupKey; |
| this.id = id; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(lookupKey, id); |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (this == object) { |
| return true; |
| } |
| if (object instanceof ContactMatch) { |
| final ContactMatch that = (ContactMatch) object; |
| return Objects.equals(this.lookupKey, that.lookupKey) && Objects.equals(this.id, that.id); |
| } |
| return false; |
| } |
| } |
| } |