@Enumerated(EnumType.STRING) lost with @AttributeOverride

Question

I need to use @AttributeOverride on an @Embeddable object to prevent collision of the column names for two properties of the same complex type.

However, when doing so, I also lose/override the @Enumerated annotation of the networkId property of the @Embedded ExternalLink object.

In the end, the column link_network of the table is of type integer, instead of varyingchar(255).

How can I configure the @AttributeOverride to keep the @Enumerated configuration?

Here is my schema:

@Embeddable
public class Address {

    @Embedded
    @AttributeOverrides({
        @AttributeOverride(name="network", column=@Column(name="link_network")),
        @AttributeOverride(name="networkAddress", column=@Column(name="link_network_address")),
        @AttributeOverride(name="element", column=@Column(name="link_element"))
    })
    private ExternalLink link;

    @Embedded
    @AttributeOverrides({
        @AttributeOverride(name="network", column=@Column(name="before_network")),
        @AttributeOverride(name="networkAddress", column=@Column(name="before_network_address")),
        @AttributeOverride(name="element", column=@Column(name="before_element"))
    })
    private ExternalLink before;
}

@Embeddable
public class ExternalLink {

    @Enumerated(EnumType.STRING)
    private NetworkId network;
    private String networkAddress;
    private String element;
}

I use your code and everything was fine, all columns are in type varchar(255) — thanh ngo, May 18 '19 at 09:21
I am using `org.postgresql.Driver` @MWiesner and Hibernate 5.0.11 — Jose Ospina, May 20 '19 at 11:43

score 4 · Answer 1 · answered Jun 08 '20 at 22:44

The only way I know is converter, which maps NetworkId to String (varchar)

@Converter(autoApply = true)
public class NetworkIdConverter implements AttributeConverter<NetworkId , String> {

    @Override
    public String convertToDatabaseColumn(NetworkId attribute) {
        if (attribute == null) {
            return null;
        }
        return attribute.name();
    }

    @Override
    public NetworkId convertToEntityAttribute(String dbData) {
        if (dbData == null) {
            return null;
        }
        return NetworkId.valueOf(dbData);
    }
}

@Enumerated(EnumType.STRING) lost with @AttributeOverride

1 Answers1