About removed

manual

Deleting JPA Entity Objects

Explains how to use JPA to delete (remove) entity objects from the database.... setting, when an Employee instance is removed the operation is automatically cascaded to the referenced Address instance, which is then automatically removed as well. Cascading may continue recursively when applicable (e.g. to ... to apply the remove operation to entities that have been removed from the relationship and to cascade the remove operation to those ...

 
api-jpa

remove(entity)

Remove the entity instance.(Method of javax.persistence.EntityManager)

 
manual

Working with JPA Entity Objects

Explains the entity object lifecycle and the persistence context.... of entity objects consists of four states: New, Managed, Removed and Detached. When an entity object is initially ... The entity object changes its state from Managed to Removed , and is physically deleted from the database during commit. More ...

 
manual

CRUD Database Operations with JPA

Shows how to use Java/JPA to store, retrieve, update & delete. Given an EntityManager javax.persistence.EntityManager JPA interface Interface used to interact with the persistence context. See JavaDoc Reference Page... , em , that represents a JPA connection to the object dat ...

 
issue

Removing of an entity removes also another entity type

Hello, we have following case: ToleranceDefinition and ResolverMapping are entities and have not any relations each other. Before start transaction the ToleranceDefinition entities exist already in the database. ... The transaction starts. All ResolverMapping entities are removed by a query (DELETE FROM ...), afterwards ResolverMapping entities are ... a result and after that a ToleranceDefinition entity is removed from database by entitymanager.remove(obj). Directly after remove we ...

 
issue

Schema-Update: Deactivation of automatic entity class removing and introduction of a new class remove in the schema config

Hello, in our application we use ObjectDB in embedded mode as part of the Profile that can be stored and opened by our customers. Our application is an eclipse RCP application with a domain-driven design. The product can be installed in different configurations (in other words with more or less PlugIns). This presents us with further challenges when we have made changes to DB schema for new versions. ... we got now an exception in a use case in which we removed an entity. Exception in thread "main" ... that we can access the persisted objects of the 'removed' entity. And now we are a little bit confused, because we thought that the instances are removed if we remove the entity class. In the past we made a small ...

 
manual

CRUD Operations with JPA

Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove). The following subsections explain how to use JPA for CRUD database operations: Storing JPA Entity Objects Retrieving JPA Entity Objects Updating JPA Entity Objects Deleting JPA Entity Objects ...

 
forum_thread

OrphanRemoval not working?

Dear all, I have entities Invoice and InvoiceItem, their relation is defined: public class Invoice implements Serializable { ..     @OneToMany(mappedBy = "invoice", fetch= FetchType.EAGER, orphanRemoval=true, cascade= CascadeType.ALL)     private List<InvoiceItem> invoiceItemList; .. } #1 2011-06-08 21:33 Dear all, I have entities Invoice and InvoiceItem, their relation is defined: public class ...

 
api-jpa

CascadeType.REMOVE

Cascade remove operation(Enum Constant of javax.persistence.CascadeType)

 
forum_thread

Remove a modified entity cause an optimistic lock exception

Hello, the following examples load and modify an entity, and load and remove the same entity. The first example 'SetAndRemoveIssue.java' is a simple java program which executes without errors. The second example is an OSGi program which fails with an optimistic lock exception. Both examples are equivalent, please execute SetAndRemoveIssue.java (in the OSGi example as a plugin-test). Can you explain the optimistic lock exception? #1 2015-11-09 07:46 Hello, the following examples load and modify an entity, and load and remove the same entity. The ...