AbstractBilling.java

package org.hibernate.examples.mapping.inheritance.subclass;

import lombok.AccessLevel;
import lombok.Getter;
import lombok.Setter;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import org.hibernate.annotations.DynamicInsert;
import org.hibernate.annotations.DynamicUpdate;
import org.hibernate.examples.model.AbstractHibernateEntity;
import org.hibernate.examples.utils.HashTool;
import org.hibernate.examples.utils.ToStringHelper;

import javax.persistence.*;

/**
 * org.hibernate.examples.mapping.inheritance.subclass.AbstractBilling
 *
 * @author 배성혁 sunghyouk.bae@gmail.com
 * @since 2013. 11. 30. 오후 2:11
 */
@Entity(name = "Subclass_Billing")
@org.hibernate.annotations.Cache(region = "example", usage = CacheConcurrencyStrategy.READ_WRITE)
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "BillingType", discriminatorType = DiscriminatorType.STRING)
@DynamicInsert
@DynamicUpdate
@Getter
@Setter
public abstract class AbstractBilling extends AbstractHibernateEntity<Long> {

  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  @Column(name = "billingId")
  @Setter(AccessLevel.PROTECTED)
  public Long id;

  @Column(name = "owner")
  private String owner;

  @Override
  public int hashCode() {
    return HashTool.compute(owner);
  }

  @Override
  public ToStringHelper buildStringHelper() {
    return super.buildStringHelper()
        .add("owner", owner);
  }

  private static final long serialVersionUID = 8802737282954083012L;
}