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.types
18 
19 import androidx.room.ext.L
20 import androidx.room.solver.CodeGenScope
21 import javax.lang.model.type.TypeMirror
22 
23 /**
24  * Yes, we need this when user input is the same as the desired output.
25  * <p>
26  * Each query parameter receives an adapter that converts it into a String (or String[]). This
27  * TypeAdapter basically serves as a wrapper for converting String parameter into the String[] of
28  * the query. Not having this would require us to special case handle String, String[], List<String>
29  * etc.
30  */
31 class NoOpConverter(type: TypeMirror) : TypeConverter(
32         type, type) {
convertnull33     override fun convert(inputVarName: String, outputVarName: String, scope: CodeGenScope) {
34         scope.builder()
35                 .addStatement("$L = $L", outputVarName, inputVarName)
36     }
37 }
38