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 androidx.room.solver.query.result
18 
19 import androidx.room.solver.CodeGenScope
20 
21 /** Gets a Statement and converts it into the return type of a function annotated with @Query. */
22 abstract class QueryResultAdapter(val rowAdapters: List<RowAdapter>) {
23 
24     val mappings: List<QueryMappedRowAdapter.Mapping>
<lambda>null25         get() = rowAdapters.filterIsInstance<QueryMappedRowAdapter>().map { it.mapping }
26 
convertnull27     abstract fun convert(outVarName: String, stmtVarName: String, scope: CodeGenScope)
28 
29     // Gets a list of additionally accessed table names in sub queries done by the adapter
30     // (e.g. does done to satisfy @Relation fields).
31     fun accessedTableNames(): List<String> =
32         rowAdapters.filterIsInstance<DataClassRowAdapter>().flatMap { it.relationTableNames() }
33 }
34