1 /*
2  * Copyright 2020 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.processor
18 
19 import androidx.room.parser.ParsedQuery
20 import androidx.room.solver.query.result.QueryResultAdapter
21 
22 /** Interface to rewrite user queries */
23 interface QueryRewriter {
24     /**
25      * Rewrites the user given query. This is a place where we can run optimizations etc on the user
26      * query.
27      */
rewritenull28     fun rewrite(query: ParsedQuery, resultAdapter: QueryResultAdapter): ParsedQuery
29 
30     companion object {
31         val NoOpRewriter =
32             object : QueryRewriter {
33                 override fun rewrite(query: ParsedQuery, resultAdapter: QueryResultAdapter) = query
34             }
35     }
36 }
37