1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.android.providers.contacts;
18 
19 import android.content.ContentValues;
20 import android.content.Context;
21 import android.database.sqlite.SQLiteDatabase;
22 import android.provider.ContactsContract.Profile;
23 
24 import com.android.providers.contacts.util.NeededForTesting;
25 
26 /**
27  * A separate version of the contacts database helper for storing the user's profile data.
28  */
29 public class ProfileDatabaseHelper extends ContactsDatabaseHelper {
30     private static final String TAG = "ProfileDatabaseHelper";
31 
32     private static final String DATABASE_NAME = "profile.db";
33 
34     // SQLite-standard table and columns for tracking autoincrement sequences.
35     private static final String SEQUENCE_TABLE = "sqlite_sequence";
36     private static final String SEQUENCE_NAME = "name";
37     private static final String SEQUENCE_SEQ = "seq";
38 
39     private static ProfileDatabaseHelper sSingleton = null;
40 
41     /**
42      * Returns a new instance for unit tests.
43      */
44     @NeededForTesting
getNewInstanceForTest(Context context)45     public static ProfileDatabaseHelper getNewInstanceForTest(Context context) {
46         return new ProfileDatabaseHelper(context, null, false);
47     }
48 
ProfileDatabaseHelper( Context context, String databaseName, boolean optimizationEnabled)49     private ProfileDatabaseHelper(
50             Context context, String databaseName, boolean optimizationEnabled) {
51         super(context, databaseName, optimizationEnabled);
52     }
53 
getInstance(Context context)54     public static synchronized ProfileDatabaseHelper getInstance(Context context) {
55         if (sSingleton == null) {
56             sSingleton = new ProfileDatabaseHelper(context, DATABASE_NAME, true);
57         }
58         return sSingleton;
59     }
60 
61     @Override
dbForProfile()62     protected int dbForProfile() {
63         return 1;
64     }
65 
66     @Override
initializeAutoIncrementSequences(SQLiteDatabase db)67     protected void initializeAutoIncrementSequences(SQLiteDatabase db) {
68         for (String table : Tables.SEQUENCE_TABLES) {
69             ContentValues values = new ContentValues();
70             values.put(SEQUENCE_NAME, table);
71             values.put(SEQUENCE_SEQ, Profile.MIN_ID);
72             db.insert(SEQUENCE_TABLE, null, values);
73         }
74     }
75 }
76