AttributeOverrides (Java EE 5 SDK)

Java

Java EE 5 SDK

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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

Required Element Summary
 AttributeOverride[] value
          One or more mapping override
 

元素详细信息

value

public abstract AttributeOverride[] value
One or more mapping override


Java EE 5 SDK

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