---

package com.example.myapplication;

import android.content.Context;
import androidx.room.Database;
import androidx.room.Room;
import androidx.room.RoomDatabase;

@Database(entities = {Recycling.class}, version = 1)
public abstract class AppDatabase extends RoomDatabase {
    private static final String DATABASE_NAME = "recycling_db";
    private static AppDatabase instance;

    public static synchronized AppDatabase getInstance(Context context) {
        if (instance == null) {
            instance = Room.databaseBuilder(context.getApplicationContext(),
                            AppDatabase.class, DATABASE_NAME)
                    .fallbackToDestructiveMigration()
                    .build();
        }
        return instance;
    }

    public abstract RecyclingDao recyclingDao();
}