content: /*
   * Copyright 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 com.example.android.persistence.db.dao;
  
  import androidx.lifecycle.LiveData;
  import androidx.room.Dao;
  import androidx.room.Insert;
  import androidx.room.OnConflictStrategy;
  import androidx.room.Query;
  import com.example.android.persistence.db.entity.CommentEntity;
  
  import java.util.List;
  
  @Dao
  public interface CommentDao {
      @Query("SELECT * FROM comments where productId = :productId")
      LiveData<List<CommentEntity>> loadComments(int productId);
  
      @Query("SELECT * FROM comments where productId = :productId")
      List<CommentEntity> loadCommentsSync(int productId);
  
      @Insert(onConflict = OnConflictStrategy.REPLACE)
      void insertAll(List<CommentEntity> comments);
  }
  