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Manual
97

JPA Lifecycle Events

MyEntityWithCallbacks { @PrePersist void onPrePersist() {} @PostPersist void onPostPersist ... specifies when the callback method is invoked: @PrePersist - before a new entity is persisted ... MyListener { @PrePersist void onPrePersist(Object o) {} @PostPersist void onPostPersist(Object
JPA Doc
92

javax.persistence.PrePersist

javax.persistence Annotation PrePersist Target: Callback methods Is used to specify callback methods for the corresponding lifecycle event. This annotation may be applied to methods of an entity class, a mapped superclass, or a callback listener class. Since: JPA 1.0 Learn how to define and use JPA
JPA Doc
50

JPA Annotations for Callback Methods

Reference (JavaDoc) of JPA 2 event callback and listener annotations, including @PrePersist(2), @PreRemove, @PreUpdate, @PostLoad, @PostPersist, @PostRemove and @PostUpdate.
Forum
34

@PrePersist Implementation

@EntityListener and @prePersist annotaions to invoke my action class .. But problem is how can i ... > @PrePersist public void prePersist(Object obj) {     System.out.println("=========@PrePersist ... then what kind of pojo values can i capture inside prePersist() method You will have to collect
Issue
32

@PrePersist not working correctly

I have a method to calculate some values before persisting to the database. So i annotated it with @PrePersist. If i merge an object the annotated method get's called but all members ... (..) call the object is ok. Inside the @PrePersist method all fields are cleared.  You are right. Build 2.3.2
Forum
30

@PrePersist Problem

HI I am trying to use @PrePersist annotation in my project.This application is using struts2 with jpa combination .so can u please tell me how to us this annotaton before save the record into persistence.   claerly how to use in pojo and in action class Please read this manual page. rameshanem
Issue
7

com.objectdb.o.InternalException: null

After an error in a @PrePersist method in an Entity class, the database stopped working ... () {         return spouse;     }     @PrePersist     private void setDateOfBirth() throws ... about this error. What was the error in PrePersist? Do you still get the same exception
Forum
5

LifeCycle Event with Embeddable classes

Hello, is there a way that lifecycle events like prepersist or preupdate are also fired ... ) private Timestamp modifyDate; @PrePersist @PreUpdate void onPreUpdate() { modifyDate = new ... ; @PrePersist @PreUpdate void onPreUpdate() { modifyDate = new Timestamp
Result
2

ObjectDB version 2.3.3

@PrePersist on merge to be called after merging fields (issue #551). Fixed eager fetch of collections and maps
Forum
2

auto generate timestamp

an ordinary Date / Timestamp field and update it in an event callback method (@PrePersist, @PreUpdate). Not