CODEWITHSUNDEEP
spring-bootspring-data-jpa
boycod3
boycod3

Reputation: 5319

save the transient instance before flushing while saving object

I'm trying to save the MotoPayment object. But i have to check the customer with code already exists or not before saving motopayment object.

public class MotoPaymentOrder extends BaseDocument {

    @ManyToOne
    @JoinColumn(name = "CUSTOMER")
    private Customer customer;

    @Column(name = "AMOUNT")
    private Double amount = Double.valueOf(0);

    @ManyToOne
    @JoinColumn(name = "PAYMENTSTATUS")
    protected SystemTypeLookupData status ;

    @Column(name = "PNRNO")
    private String pnrNo;

    @Column(name = "RESERVATIONNO")
    private String reservationNo;

}

controller method

@RequestMapping(value = "/motopaymnetorder", method = RequestMethod.POST)
    @ResponseBody public MotoPaymentOrder create(@RequestBody MotoPaymentOrder domain){
        prepareCustomer(domain.getCustomer());
        return (MotoPaymentOrder) baseDocumentService.saveDocument(domain);
    }

The below method is used to check the customer with code exists or not otherwise save customer object.

public void prepareCustomer(Customer customer){
        Customer existingCustomer = (Customer) appService.findOneWhere("WHERE o.code = '"+customer.getCode()+"'",Customer.class);
        if(existingCustomer==null){
            customer.setType(ApplicationConstants.CustomerType.Person);

            PersonCustomer personCustomer = new PersonCustomer();
            personCustomer.setEmail(customer.getCustomerEmail());
            personCustomer.setFirstName(customer.getPersonCustomer().getFirstName());
            personCustomer.setLastName(customer.getPersonCustomer().getLastName());
            personCustomer.setCustomer(customer);

            customer.setPersonCustomer(personCustomer);


        }
    }

I'm getting below exception while saving MotoPaymentOrder object:

org.hibernate.TransientPropertyValueException: object references an unsaved transient instance - save the transient instance before flushing : com.erp.hospitality.domain.MotoPaymentOrder.customer -> com.erp.core.domain.common.Customer
    at org.hibernate.engine.spi.CascadingActions$8.noCascade(CascadingActions.java:379)
    at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:126)
    at org.hibernate.event.internal.AbstractFlushingEventListener.cascadeOnFlush(AbstractFlushingEventListener.java:150)
    at org.hibernate.event.internal.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:141)
    at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:74)
    at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:38)
    at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1282)
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:1300)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)

Upvotes: 0

Views: 10932

Answers (2)

Inês Gomes
Inês Gomes

Reputation: 4821

See here save the transient instance before flushing in SpringBoot 2.0.4 app

@ManyToOne(cascade=CascadeType.ALL)
@JoinColumn(name = "CUSTOMER")
private Customer customer;

Upvotes: 2

Anil Bhaskar
Anil Bhaskar

Reputation: 3978

Suppose for a MotoPaymentOrder, the associated Customer is not persisted, the JPA will should persist it, which is not implemented by your approach. You can use CascadeType.REFRESH to tell hibernate what to do with your entity, if that is not already persisted.

@ManyToOne(cascade=CascadeType.REFRESH)
@JoinColumn(name = "CUSTOMER")
private Customer customer;

Upvotes: 1

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