1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package foo.bar; 18 import androidx.room.*; 19 import java.util.List; 20 import androidx.lifecycle.LiveData; 21 @Dao 22 abstract class ComplexDao { 23 static class FullName { 24 public int id; 25 public String fullName; 26 } 27 28 private final ComplexDatabase mDb; 29 30 public ComplexDao(ComplexDatabase db) { 31 mDb = db; 32 } 33 34 @Transaction 35 public boolean transactionMethod(int i, String s, long l) { 36 return true; 37 } 38 39 @Query("SELECT name || lastName as fullName, uid as id FROM user where uid = :id") 40 abstract public List<FullName> fullNames(int id); 41 42 @Query("SELECT * FROM user where uid = :id") 43 abstract public User getById(int id); 44 45 @Query("SELECT * FROM user where name LIKE :name AND lastName LIKE :lastName") 46 abstract public User findByName(String name, String lastName); 47 48 @Query("SELECT * FROM user where uid IN (:ids)") 49 abstract public List<User> loadAllByIds(int... ids); 50 51 @Query("SELECT ageColumn FROM user where uid = :id") 52 abstract int getAge(int id); 53 54 @Query("SELECT ageColumn FROM user where uid IN(:ids)") 55 abstract public int[] getAllAges(int... ids); 56 57 @Query("SELECT ageColumn FROM user where uid IN(:ids)") 58 abstract public List<Integer> getAllAgesAsList(List<Integer> ids); 59 60 @Query("SELECT * FROM user where uid = :id") 61 abstract public LiveData<User> getByIdLive(int id); 62 63 @Query("SELECT * FROM user where uid IN (:ids)") 64 abstract public LiveData<List<User>> loadUsersByIdsLive(int... ids); 65 66 @Query("SELECT ageColumn FROM user where uid IN(:ids1) OR uid IN (:ids2) OR uid IN (:ids3)") 67 abstract public List<Integer> getAllAgesAsList(List<Integer> ids1, 68 int[] ids2, int... ids3); 69 } 70
