Editor

CheeseDao.kt

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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 paging.android.example.com.pagingsample

import android.arch.paging.LivePagedListProvider
import android.arch.persistence.room.Dao
import android.arch.persistence.room.Delete
import android.arch.persistence.room.Insert
import android.arch.persistence.room.Query

/**
 * Database Access Object for the Cheese database.
 */
@Dao
interface CheeseDao {
    /**
     * Room knows how to return a LivePagedListProvider, from which we can get a LiveData and serve
     * it back to UI via ViewModel.
     */
    @Query("SELECT * FROM Cheese ORDER BY name COLLATE NOCASE ASC")
    fun allCheesesByName(): LivePagedListProvider<Int, Cheese>

@Insert
    fun insert(cheeses: List<Cheese>)

@Insert
    fun insert(cheese: Cheese)

@Delete
    fun delete(cheese: Cheese)
}