015. Inheritance - dkkahm/study-spring-jpa GitHub Wiki

InheritanceType

• SINGLE_TABLE (default)
• TABLE_PER_CLASS
• JOINED

Entities

• Employee

@Entity
// @Inheritance(strategy = InheritanceType.SINGLE_TABLE)
// @DiscriminatorColumn(name="DTYPE")
public abstract class Employee {
    @Id
    @GeneratedValue
    private Long id;

    private String name;

• PartTimeEmployee

@Entity
public class PartTimeEmployee extends Employee {

    private BigDecimal hourlyWage;

• FullTimeEmployee

@Entity
public class FullTimeEmployee extends Employee {

    private BigDecimal salary;