1/*
2 * Copyright (C) 2015 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 */
16package com.android.messaging.datamodel;
17
18import android.database.sqlite.SQLiteDatabase;
19
20import com.android.messaging.util.Assert;
21import com.android.messaging.util.LogUtil;
22
23public class DatabaseUpgradeHelper {
24    private static final String TAG = LogUtil.BUGLE_DATABASE_TAG;
25
26    public void doOnUpgrade(final SQLiteDatabase db, final int oldVersion, final int newVersion) {
27        Assert.isTrue(newVersion >= oldVersion);
28        if (oldVersion == newVersion) {
29            return;
30        }
31
32        LogUtil.i(TAG, "Database upgrade started from version " + oldVersion + " to " + newVersion);
33
34        // Add future upgrade code here
35    }
36
37    public void onDowngrade(final SQLiteDatabase db, final int oldVersion, final int newVersion) {
38        DatabaseHelper.rebuildTables(db);
39        LogUtil.e(TAG, "Database downgrade requested for version " +
40                oldVersion + " version " + newVersion + ", forcing db rebuild!");
41    }
42}
43