App.kt

package com.example.diagram

import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.boot.context.properties.ConfigurationProperties
import org.springframework.boot.context.properties.ConstructorBinding
import org.springframework.boot.context.properties.EnableConfigurationProperties
import org.springframework.boot.runApplication

@EnableConfigurationProperties(Erd::class)
@SpringBootApplication
class DiagramApplication

fun main(args: Array<String>) {
	runApplication<DiagramApplication>(*args)
}

@ConfigurationProperties("er")
@ConstructorBinding
data class Erd(
		val diagram: Map<String, TableDef>,
		val relations: Set<Relation>
)

@ConstructorBinding
data class TableDef(
		val columns: List<Column>
)

@ConstructorBinding
data class Column(
		val name: String,
		val type: ColumnType,
		val size: Int? = null,
		val num: Int? = null,
		val dec: Int? = null,
		val primaryKey: Boolean,
		val unique: Boolean,
		val notNull: Boolean
)

enum class ColumnType {
	INT,
	DECIMAL,
	VARCHAR,
	DATE,
	TIME,
	TIMESTAMP
}

@ConstructorBinding
data class Relation(
		val from: String,
		val references: List<Reference>
)

@ConstructorBinding
data class Reference(
		val from: String,
		val to: String
)