Transient (Java EE 5 SDK)

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Java EE 5 SDK

深圳电信培训中心.徐海蛟老师.

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摘要: REQUIRED | OPTIONAL

详细信息: ELEMENT

javax.persistence Annotation Type Transient

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

This annotation specifies that the property or field is not persistent. It is used to annotate a property or field of an entity class, mapped superclass, or embeddable class.

    Example:
    @Entity
    public class Employee {
        @Id int id;
        @Transient User currentUser;
        ...
    }

从以下版本开始:: Java Persistence 1.0

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