Java Spring数据JPA save()返回实体
我使用spring引导数据jpa,如下所示Java Spring数据JPA save()返回实体,java,spring-boot,jpa,spring-data-jpa,spring-data,Java,Spring Boot,Jpa,Spring Data Jpa,Spring Data,我使用spring引导数据jpa,如下所示 @Entity @Table(name = "invoice") @Getter @Setter @ToString public class Invoice { @Id @Column(name = "inv_id") @GeneratedValue(strategy = GenerationType.IDENTITY) private BigInteger invId; @Colum
@Entity
@Table(name = "invoice")
@Getter
@Setter
@ToString
public class Invoice {
@Id
@Column(name = "inv_id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private BigInteger invId;
@Column(name = "external_id")
private String externalInvoiceId;
@Column(name = "amount")
private double amount;
@JsonIgnore
@JsonIgnoreProperties
@Column(name = "status")
private int status;
@JsonProperty("status")
@Transient
private String invoiceStatus;
public String getInvoiceStatus() {
switch (this.status){
case 1:
return "INITIATED";
case 2:
return "CANCELLED";
case 3:
return "SUCCESS";
case 4:
return "FAILURE";
default:
return "IN PROGRESS";
}
}
@CreationTimestamp
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "created_at")
private Date createdAt;
@UpdateTimestamp
@Temporal(TemporalType.TIMESTAMP)
@Column(name = "updated_at")
private Date updatedAt;
@PostPersist
public void updateExternalID() {
this.externalInvoiceId="G".concat(String.valueOf(this.invId.multiply(BigInteger.valueOf(1000))))
.concat(String.valueOf(Instant.now().getEpochSecond()));
}
}
我通过存储库访问此实体,如下所示
public interface InvoicesRepository extends JpaRepository<Invoice, BigInteger> {
}
我正在使用savedInvoice
并尝试更新状态。要么它没有正确更新状态,要么我在数据库中也找不到记录
不存在回滚
下面是我可以看到的日志,插入语句存在
[XNIO-1 task-1] DEBUG org.hibernate.SQL.logStatement -
/* insert com.min.app.model.Invoice
*/ insert
into
invoice
(amount, created_at, external_inv_id, status, updated_at)
values
(?, ?, ?, ?, ?)
Hibernate:
/* insert com.min.app.model.Invoice
*/ insert
into
invoice
(amount, created_at, external_inv_id, status, updated_at)
values
(?, ?, ?, ?, ?)
状态更新后,我尝试打印savedInvoice
可以在日志中看到以下内容
Invoice(invId=58, externalInvoiceId=G580001575271905, amount=185.0 status=4, invoiceStatus=FAILURE, createdAt=Mon Dec 02 13:01:45 IST 2019, updatedAt=Mon Dec 02 13:01:45 IST 2019)
上面的记录我在表中看不到
我做错了什么?您需要在函数调用中执行如下事务,并将@Autowired存储库置于全局级别
class whatever{
@Autowired
private InvoicesRepository myInvoicesRepository;
//call this function
void doSomething(){
Invoice transactionInvoice = new Invoice();
transactionInvoice.setAmount(200.0);
transactionInvoice.setStatus(1);
Invoice savedInvoice = myInvoicesRepository.save(transactionInvoice);
}
}
您可能正在任何事务之外创建和修改发票。@JBNizet JpaRepository的保存方法是事务性的。您使用的是什么数据库?设置hibernate记录器并检查是否存在插入statement@SimonMartinelli当然,如果保存然后更新创建的实体的服务不是事务性的,则存储库save()方法将打开一个事务,并在save()返回时提交,因此,该服务修改了一个分离的实体。您可以尝试使用
saveAndFlush
而不是save
方法吗?即使我没有提供我提到的完整的服务类别,但在应用程序中实际上是这样的。
class whatever{
@Autowired
private InvoicesRepository myInvoicesRepository;
//call this function
void doSomething(){
Invoice transactionInvoice = new Invoice();
transactionInvoice.setAmount(200.0);
transactionInvoice.setStatus(1);
Invoice savedInvoice = myInvoicesRepository.save(transactionInvoice);
}
}