java控制表之間的映射關係

@Entity
@Table(name = "AL_SYS_DEPART")
public class Depart extends BaseEntity {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1233858949262787339L;
	/**
	 * DEPART_NAME 字段名: DEPART_NAME
	 */
	@Column(name = "DEPART_NAME")
	private String departName;
	/**
	 * 狀態 字段名: STATE
	 */
	@Column(name = "STATE")
	private String state;
	/**
	 * 類別 字段名: TYPE
	 */
	@Column(name = "TYPE")
	private String type;
	/**
	 * 描述 字段名: DESCRIPTION
	 */
	@Column(name = "DESCRIPTION")
	private String description;
	/**
	 * PARENT 字段名: PARENT_ID
	 */
	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "PARENT_ID")
	private Depart parent;

	@OneToMany
	@JoinTable(name = "AL_SYS_DEPART_PARENT", joinColumns = @JoinColumn(name = "DEPART_ID", referencedColumnName = "ID"), inverseJoinColumns = @JoinColumn(name = "PARENT_ID", referencedColumnName = "ID"))
	private List<Depart> parents;

	/**
	 * 機構深度 字段名: DEPART_LEVEL
	 */
	@Column(name = "DEPART_LEVEL")
	private Integer departLevel;

	@ManyToMany
	@JoinTable(name = "AL_SYS_DEPART_GROUP", joinColumns = @JoinColumn(name = "DEPART_ID", referencedColumnName = "ID"), inverseJoinColumns = @JoinColumn(name = "GROUP_ID", referencedColumnName = "ID"))
	private List<Group> groups;