Java Glassfish服务器缓存在使用@XmlAdapter时未得到更新?
我在使用@XmlAdapter时偶然发现了一个奇怪的问题。让我试着描述一下情况: 在服务器端,我有一个类:Java Glassfish服务器缓存在使用@XmlAdapter时未得到更新?,java,jpa,jaxb,glassfish,jersey,Java,Jpa,Jaxb,Glassfish,Jersey,我在使用@XmlAdapter时偶然发现了一个奇怪的问题。让我试着描述一下情况: 在服务器端,我有一个类: @XmlAccessorType(XmlAccessType.FIELD) @XmlRootElement public class Cows implements Serializable { ...a bunch of cow properties like ID, name, ... @XmlElementWrapper(name = "sampless")
@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement
public class Cows implements Serializable {
...a bunch of cow properties like ID, name, ...
@XmlElementWrapper(name = "sampless")
@XmlElement(name = "samples")
@OneToMany(mappedBy = "cowId")
private List<Samples> samplesList;
...a bunch of getters & setters...
}
牛仔级:
public class CowsAdapter extends XmlAdapter<Cows, Cows> {
@Override
public Cows unmarshal(Cows v) throws Exception {
return v;
}
@Override
public Cows marshal(Cows v) throws Exception {
return null;
}
}
但是,有人能告诉我这是否是最好的方法吗
提前感谢。通过向persistence.xml添加属性,暂时禁用Glassfish缓存。您需要维护关系的双方。如果创建新样本,则需要将其添加到奶牛样本中 看,,
public class CowsAdapter extends XmlAdapter<Cows, Cows> {
@Override
public Cows unmarshal(Cows v) throws Exception {
return v;
}
@Override
public Cows marshal(Cows v) throws Exception {
return null;
}
}
@GET
@Path("cow/{id}")
@Produces({"application/xml"})
public Cows findById(@PathParam("id") Integer id) {
//Cows cow = super.find(id);
final Query qry = getEntityManager().createNamedQuery("Cows.findById", Cows.class);
qry.setParameter("id", id);
qry.setHint("javax.persistence.cache.storeMode", "REFRESH");
Cows cow = (Cows) qry.getSingleResult();
return cow;
}