com.zeoflow.depot.vo.Pojo.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

import com.zeoflow.depot.compiler.processing.XType
import com.zeoflow.depot.compiler.processing.XTypeElement
import com.zeoflow.depot.processor.DatabaseViewProcessor
import com.zeoflow.depot.processor.EntityProcessor
import com.squareup.javapoet.TypeName

/**
 * A class is turned into a Pojo if it is used in a query response.
 */
open class Pojo(
    val element: XTypeElement,
    val type: XType,
    fields: List,
    val embeddedFields: List,
    val relations: List,
    val constructor: Constructor? = null
) : HasFields {
    val typeName: TypeName by lazy { type.typeName }

    override val fields = Fields(fields)

    /**
     * All table or view names that are somehow accessed by this Pojo.
     * Might be via Embedded or Relation.
     */
    fun accessedTableNames(): List {
        val entityAnnotation = element.getAnnotation(com.zeoflow.depot.Entity::class)
        return if (entityAnnotation != null) {
            listOf(EntityProcessor.extractTableName(element, entityAnnotation.value))
        } else {
            val viewAnnotation = element.getAnnotation(com.zeoflow.depot.DatabaseView::class)
            if (viewAnnotation != null) {
                listOf(DatabaseViewProcessor.extractViewName(element, viewAnnotation.value))
            } else {
                emptyList()
            } + embeddedFields.flatMap {
                it.pojo.accessedTableNames()
            } + relations.map {
                it.entity.tableName
            }
        }
    }
}