54 lines
1.6 KiB
Kotlin
54 lines
1.6 KiB
Kotlin
package com.example.todoapp.data
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import android.content.Context
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import androidx.room.Database
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import androidx.room.Room
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import androidx.room.RoomDatabase
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import androidx.room.TypeConverters
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import com.example.todoapp.data.models.ToDoData
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@Database(entities = [ToDoData::class], version = 1, exportSchema = false)
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@TypeConverters(Converter::class)
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abstract class ToDoDatabase : RoomDatabase() {
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abstract fun toDoDao(): ToDoDao
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// companion object {
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// @Volatile
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// private var INSTANCE: ToDoDatabase? = null
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//
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// fun getDatabase(context: Context): ToDoDatabase {
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// val tempInstance = INSTANCE
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// if (tempInstance != null) {
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// return tempInstance
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// }
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// synchronized(this) {
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// val instance = Room.databaseBuilder(
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// context.applicationContext,
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// ToDoDatabase::class.java,
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// "todo_database"
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// ).build()
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// INSTANCE = instance
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// return instance
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// }
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// }
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// }
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companion object {
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@Volatile
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private var INSTANCE: ToDoDatabase? = null
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fun getDatabase(context: Context): ToDoDatabase =
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INSTANCE ?: synchronized(this) {
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INSTANCE
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?: buildDatabase(context).also { INSTANCE = it }
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}
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private fun buildDatabase(context: Context) =
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Room.databaseBuilder(
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context.applicationContext,
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ToDoDatabase::class.java, "todo_database"
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).build()
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}
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} |