About access

api-jpa

JPA Annotations for Access Modes

Reference (JavaDoc) of JPA 2 access mode annotations, including @Access and AccessType (enum).... JPA 2 provides an annotation and an enum for setting the access mode: javax.persistence.Access javax.persistence.AccessType More details are ...

 
manual

JPA Entity Fields

Explains how to define and use primary keys in JPA, including composite and embedded primary keys.... Fields Version Field Property Access Primary key fields are discussed in the Primary ... version field is explicitly defined. Property Access When an entity is being stored to the database data is extracted ...

 
manual

Server User List

Explains how to define and set users, directories and permissions in the ObjectDB fast Java database server for JPA/JDO.... configuration element lists the users that are allowed to access the ObjectDB Server and specifies their specific settings (username, ... > <dir path = "/" permissions = "access,modify,create,delete" /> </user > <user ...

 
forum_thread

Unable to persist fields in subclass

I have a superclass Person, with several fields I have a subclass Patient with additional fields. I can persist Patient, but CANNOT persist the fields in this subclass. Why is this? example code: package miscTests; import javafx.beans.property.SimpleStringProperty; import javafx.beans.property.StringProperty; import javax.persistence.Access; import javax.persistence.AccessType; import javax.persistence.MappedSuperclass; ... ;   import javax. persistence . Access ; import javax. persistence . AccessType ; ... david * */   @ MappedSuperclass @ Access ( AccessType . PROPERTY ) public ...

 
forum_thread

Schema-Update: Rename superclass and remove one subclass

Hello, we renamed a superclass and removed one of the subclass. If we then try to open the Database (with ObjectDB-Explorer) we get a "Failed to generate dynamic type ..."   Small Example: Generate Database ... Entities: @ Entity @ Access ( AccessType . FIELD ) public class ... ChildClassA: @ Entity @ Access ( AccessType . FIELD ) public class ...

 
issue

Schema-Update: Rename superclass and remove one subclass

Hello, we renamed a superclass and removed one of the subclass. If we then try to open the Database (with ObjectDB-Explorer) we get a "Failed to generate dynamic type ..."   Small Example: Generate Database ... Entities: @ Entity @ Access ( AccessType . FIELD ) public class ... ChildClassA: @ Entity @ Access ( AccessType . FIELD ) public class ...

 
api-jpa

javax.persistence.Access

Used to specify an access type to be applied to an entity class, mapped superclass, or embeddable class, or to a specific attribute of such a class.(Annotation of JPA)

 
issue

NullPointer when accessing entity field

Hello, following exception occurs when using objectdb: ... exception is unclear. It happened during an access operation that required reloading of the object from the database. ...   So I think there is now concurrent access on one EntityManager. In single operations we just do the ...

 
api-jpa

javax.persistence.AccessType

Is used with the Access annotation to specify an access type to be applied to an entity class, mapped superclass, or embeddable class, or to a specific attribute of such a class.(Enum of JPA)

 
manual

Retrieving JPA Entity Objects

Explains how to use JPA to retrieve entity objects from the database.... by Eager Fetch Retrieval by Navigation and Access Retrieval by Query Retrieval by Refresh ... automatically. Retrieval by Navigation and Access All the persistent fields of an entity object can be accessed ...