1 /*
<lambda>null2  * Copyright (C) 2017 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.vo
18 
19 /**
20  * A common value object when we need to associate a Field with an Index
21  * variable.
22  * <p>
23  * If we are sure that the field will be there at compile time, we set it to always Exists so that
24  * the generated code does not check for -1 column indices.
25  */
26 data class FieldWithIndex(val field: Field, val indexVar: String, val alwaysExists: Boolean) {
27     companion object {
28         fun byOrder(fields: List<Field>): List<FieldWithIndex> {
29             return fields.mapIndexed { index, field ->
30                 FieldWithIndex(field = field,
31                         indexVar = "${index + 1}",
32                         alwaysExists = true)
33             }
34         }
35     }
36 }
37