com.zeoflow.depot.vo.FieldWithIndex.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of depot-compiler Show documentation

The Depot persistence library provides an abstraction layer over SQLite to allow for more robust database access while using the full power of SQLite.

The newest version!

/*
 * Copyright (C) 2021 ZeoFlow SRL
 *
 * 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 com.zeoflow.depot.vo

/**
 * A common value object when we need to associate a Field with an Index
 * variable.
 * 
 * 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): List {
            return fields.mapIndexed { index, field ->
                FieldWithIndex(
                    field = field,
                    indexVar = "${index + 1}",
                    alwaysExists = true
                )
            }
        }
    }
}