51 lines
2.7 KiB
Kotlin
51 lines
2.7 KiB
Kotlin
/*******************************************************************************
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* *
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* Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com> *
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* Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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package com.github.shadowsocks.database
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import android.arch.persistence.room.Database
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import android.arch.persistence.room.Room
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import android.arch.persistence.room.RoomDatabase
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import com.github.shadowsocks.App.Companion.app
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import com.github.shadowsocks.database.migration.RecreateSchemaMigration
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import com.github.shadowsocks.utils.Key
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@Database(entities = [(KeyValuePair::class)], version = 3)
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abstract class PublicDatabase : RoomDatabase() {
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companion object {
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private val instance by lazy {
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Room.databaseBuilder(app.deviceContext, PublicDatabase::class.java, Key.DB_PUBLIC)
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.allowMainThreadQueries()
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.addMigrations(
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Migration3
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)
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.fallbackToDestructiveMigration()
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.build()
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}
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val kvPairDao get() = instance.keyValuePairDao()
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}
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abstract fun keyValuePairDao(): KeyValuePair.Dao
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internal object Migration3 : RecreateSchemaMigration(2, 3, "KeyValuePair",
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"(`key` TEXT NOT NULL, `valueType` INTEGER NOT NULL, `value` BLOB NOT NULL, PRIMARY KEY(`key`))",
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"`key`, `valueType`, `value`")
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}
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