43 lines
1.4 KiB
Kotlin
43 lines
1.4 KiB
Kotlin
/*
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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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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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internal class MSQLiteOpenHelper(
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context: Context?,
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name: String?,
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private val version: Int,
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private val builder: MSQLiteBuilder
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) : SQLiteOpenHelper(context, name, null, version) {
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override fun onCreate(db: SQLiteDatabase) {
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onUpgrade(db, 0, version)
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}
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override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
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for (command in builder.getStatements(oldVersion, newVersion)) {
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db.execSQL(command)
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}
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}
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override fun onDowngrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
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SqlUtils.dropAllTable(db)
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onCreate(db)
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}
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} |