Hibernate inheritance

Use hibernate inheritance and UUIDs to save a payment record in a database.

Code sample

Java

To learn how to install and use the client library for Spanner, see Spanner client libraries.

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import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.Inheritance;
import jakarta.persistence.InheritanceType;
import java.util.UUID;
import org.hibernate.annotations.JdbcTypeCode;

/**
 * An example {@link Entity} which demonstrates usage of {@link Inheritance}.
 */
@Entity
@Inheritance(strategy = InheritanceType.JOINED)
public abstract class Payment {

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  @JdbcTypeCode(java.sql.Types.VARCHAR)
  private UUID id;

  private Long amount;

  public UUID getId() {
    return id;
  }

  public void setId(UUID id) {
    this.id = id;
  }

  public Long getAmount() {
    return amount;
  }

  public void setAmount(Long amount) {
    this.amount = amount;
  }
}

What's next

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