JAXB REST PUT 引用关联

发布于 2024-12-05 07:34:24 字数 802 浏览 1 评论 0原文

考虑以下实体类：

Manufacturer：代表汽车制造商（福特、沃尔沃等）并具有名称。
Model：代表型号（Fiesta、S80），有名称，由单一制造商制造。

模型中的制造商字段注释如下：

@ManyToOne
@XmlIDREF
private Manufacturer manufacturer;

然后，我定义了两个 REST 资源，用于获取和放置制造商和类型。问题出在放置 types:

@PUT
@Consumes("application/xml")
public void putModel(JAXBElement<Model> model) {
    modelFacade.create(model.getValue());
}

和我尝试放置的 XML:

<model>
    <name>Fiesta</name>
    <manufacturer>1</manufacturer>
</model>

Manufacturer 元素指向 1，一个 Manufacturer 的有效实例，但是，当模型被持久化时， MANUFACTURER_ID 为 null。如何让 JAXB 也从 XML 中读取制造商的 ID？

谢谢！

原文

Consider the following entity classes:

Manufacturer: represents a car manufacturer (Ford, Volvo, ...) and has a name.
Model: represents a model (Fiesta, S80), has a name, and is manufactured by a single manufacturer.

The manufacturer field in the model is annotated as follows:

@ManyToOne
@XmlIDREF
private Manufacturer manufacturer;

I then have two REST resources defined for getting and putting both manufacturers and types. The problem is with putting types:

@PUT
@Consumes("application/xml")
public void putModel(JAXBElement<Model> model) {
    modelFacade.create(model.getValue());
}

and the XML I try to put:

<model>
    <name>Fiesta</name>
    <manufacturer>1</manufacturer>
</model>

The manufacturer element points to 1, a valid instance of Manufacturer, however, when the Model is persisted, the MANUFACTURER_ID is null. How can I get JAXB to read the manufacturer's ID from the XML as well?

Thanks!

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