room lib kotlin code example
Example: Room kotlin
@Database(entities = arrayOf(Word::class), version = 1, exportSchema = false)
public abstract class WordRoomDatabase : RoomDatabase() {
abstract fun wordDao(): WordDao
companion object {
@Volatile
private var INSTANCE: WordRoomDatabase? = null
fun getDatabase(context: Context): WordRoomDatabase {
val tempInstance = INSTANCE
if (tempInstance != null) {
return tempInstance
}
synchronized(this) {
val instance = Room.databaseBuilder(
context.applicationContext,
WordRoomDatabase::class.java,
"word_database"
).build()
INSTANCE = instance
return instance
}
}
}
}