AttributeOverrides (Java EE 5 SDK)

javax.persistence Annotation Type AttributeOverrides

@Target(value={TYPE,METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface AttributeOverrides

Is used to override mappings of multiple properties or fields.

    Example:

    @Embedded
    @AttributeOverrides({
            @AttributeOverride(name="startDate", column=@Column("
                    EMP_START")),
            @AttributeOverride(name="endDate", column=@Column("EMP_END"))
    })
    public EmploymentPeriod getEmploymentPeriod() { ... }
 

从以下版本开始:

Java Persistence 1.0

value

public abstract AttributeOverride[] value

One or more mapping override

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