如何在Spring中向对象添加列表

Question

我有一个对象类，它有一个客户列表作为属性:

@Data
@NoArgsConstructor
@AllArgsConstructor
public class PeopleDTO {
private String processType;
private String operation;
private String entity;
private String entityType;
private Long id;
private Document document;
@Getter
@Setter
class Customer {
private String systemId;
private String customerId;
}
private List<Customer> customers;
}

这个列表是通过webclient调用另一个微服务来获取的，如下所示:

public Mono<CuCoPerson> getCuCoPerson(Integer cucoId, String GS_AUTH_TOKEN) {
WebClient webClient = WebClient.create();
return webClient.get()
.uri(GET_RELATION_BY_ID + cucoId)
.header("Accept", "application/json")
.header("Authorization", GS_AUTH_TOKEN)
.retrieve()
.bodyToMono(CuCoPerson.class)
.map(cuCoPerson -> {
List<CustomerRelation> matches = cuCoPerson.getRelatedCustomers()
.stream()
.filter(relation -> relation.getSystemId().equals(400) || relation.getSystemId().equals(300) || relation.getSystemId().equals(410))
.filter(relation -> relation.getCustomerId().contains("F"))
.collect(Collectors.toList());
cuCoPerson.setRelatedCustomers(matches);
return cuCoPerson;
});
}

这个方法返回一个cucoPerson，如下所示:

{
"id": 1,
"relatedCustomers": [
{
"customerId": "xxx",
"systemId": 999
}
]
}

现在我想把这个对象添加到我的PeopleDTO类，但我不知道怎么做。这是我迄今为止所做的(硬编码):

public PeopleDTO createPeople(Long id) {
PeopleDTO people = new PeopleDTO();
people.setProcessType("ONLINE");
people.setOperation("UPDATE");
people.setEntity("DOCUMENT");
people.setEntityType("DOCUMENT");
people.setIdCuco(id);
people.setDocument(new Document());
people.setCustomers(......);
}

所以你可以看到，我不知道如何在最后一行添加Mono。

预期的结果应该是这样的:

{
"type": "ONLINE",
"operation": "UPDATE",
"id": 1,
"entity": "DOCUMENT",
"entityType": "NIE",
"documents": {
"id": 1,
"additionals": {
"issuing_authority": "Spain",
"country_doc": "ES",
"place_of_birth": "",
"valid_from": "1995-08-09",
"valid_to": "0001-01-01"
},
"code": "X12345",
"typeDocument": "NIE"
},
"id": 1,
"relatedCustomers": [
{
"customerId": "xxx",
"systemId": 999
}
]
}

Answer 1

首先，创建一个客户列表，如:

List<Customer> customers=new ArrayList<>;

然后使用循环将所有客户逐一添加到其中，然后你可以直接将它添加到对象中，比如

people.setCustomers(customers);

你的对象赋值应该看起来像:

public PeopleDTO createPeople(Long id) {
PeopleDTO people = new PeopleDTO();
people.setProcessType("ONLINE");
people.setOperation("UPDATE");
people.setEntity("DOCUMENT");
people.setEntityType("DOCUMENT");
people.setIdCuco(id);
people.setDocument(new Document());
List<Customer> customers=new ArrayList<>;
//add data to customer
people.setCustomers(customers);
}