58 lines
1.6 KiB
Java
58 lines
1.6 KiB
Java
/*
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* Copyright 2017 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.database;
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/*
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* Created by Hippo on 2017/9/4.
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*/
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import android.content.Context;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import com.hippo.util.SqlUtils;
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class MSQLiteOpenHelper extends SQLiteOpenHelper {
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private final int version;
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private final MSQLiteBuilder builder;
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public MSQLiteOpenHelper(Context context, String name, int version, MSQLiteBuilder builder) {
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super(context, name, null, version);
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this.version = version;
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this.builder = builder;
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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onUpgrade(db, 0, version);
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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for (String command : builder.getStatements(oldVersion, newVersion)) {
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db.execSQL(command);
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}
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}
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@Override
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public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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SqlUtils.dropAllTable(db);
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onCreate(db);
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}
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}
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