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Define your persistent model in Hibernate ORM with Panache

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package io.quarkus.hibernate.orm.panache.kotlin

import jakarta.persistence.GeneratedValue
import jakarta.persistence.Id
import jakarta.persistence.MappedSuperclass

/**
 * Represents an entity with a generated ID field [id] of type [Long]. If your Hibernate entities
 * extend this class they gain the ID field and auto-generated accessors to all their public fields
 * (unless annotated with [Transient]), as well as all the useful methods from [PanacheEntityBase].
 *
 * If you want a custom ID type or strategy, you can directly extend [PanacheEntityBase] instead,
 * and write your own ID field. You will still get auto-generated accessors and all the useful
 * methods.
 *
 * @see [PanacheEntityBase]
 */
@MappedSuperclass
open class PanacheEntity : PanacheEntityBase {
    /**
     * The auto-generated ID field. This field is set by Hibernate ORM when this entity is
     * persisted.
     *
     * @see [PanacheEntity.persist]
     */
    @Id @GeneratedValue open var id: Long? = null

    /**
     * Default `toString()` implementation
     *
     * @return the class type and ID type
     */
    override fun toString() = "${javaClass.simpleName}<$id>"
}