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PhotoDatabase.kt
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PhotoDatabase.kt
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/*
* Copyright 2019 Muhammad Utsman. All rights reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.utsman.wallaz.db
import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase
@Database(entities = [PhotoRoom::class], version = 1)
abstract class PhotoDatabase : RoomDatabase() {
abstract fun photoDao(): PhotoDao
companion object {
@Volatile private var instance: PhotoDatabase? = null
private fun buildData(context: Context) = Room.databaseBuilder(context, PhotoDatabase::class.java, "bookmarked-db").build()
fun getInstance(context: Context): PhotoDatabase {
return instance ?: synchronized(this) {
instance ?: buildData(context).also { instance = it }
}
}
}
}