package org.hibernate.test;

import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import org.hibernate.annotations.GenericGenerator;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import java.util.List;

@Data
@Entity
@Table(name = "node")
@ToString(exclude = {"parent"})
@EqualsAndHashCode(of = {"uuid"})
public class Node {

    @Id
    @GeneratedValue(generator = "uuid")
    @GenericGenerator(name = "uuid", strategy = "org.hibernate.id.UUIDGenerator")
    @Column(name = "uuid")
    private String uuid;

    @ManyToOne(cascade = CascadeType.ALL)
    @JoinColumn(name = "parent", referencedColumnName = "uuid")
    private Node parent;

    @OneToMany(mappedBy = "parent", fetch = FetchType.EAGER, cascade = CascadeType.ALL)
    private List<Node> children;

}