FieldWithIndex.kt
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.room.vo
/**
* A common value object when we need to associate a Field with an Index
* variable.
* <p>
* If we are sure that the field will be there at compile time, we set it to always Exists so that
* the generated code does not check for -1 column indices.
*/
data class FieldWithIndex(val field: Field, val indexVar: String, val alwaysExists: Boolean) {
companion object {
fun byOrder(fields: List<Field>): List<FieldWithIndex> {
return fields.mapIndexed { index, field ->
FieldWithIndex(
field = field,
indexVar = "${index + 1}",
alwaysExists = true
)
}
}
}
}