About constructor

manual

Database Schema Evolution

Explains how ObjectDB handles automatically schema changes. Modifications to entity classes that do not change their persistent field definitions (their schema) are transparent to ObjectDB. This includes adding, removing and modifying constructors, methods and non persistent fields. However, additions, deleti ...

 
manual

Defining a JPA Entity Class

Shows how to define a JPA entity class in order to store objects in the database.... x ; private int y ;   // Constructor: Point ( int x, int y ) { ...

 
issue

@FetchGroup in JPA similar to JDO

I was checking what's new in different JPA implementation on the market and found quite interesting two features. First of those features is described in this ticket. It's similar to FetchGroup from JDO. It works like this. First you specify attributes to fetch from database: Feature Request Version: Priority: Normal Status: Active Replies: 0 Type:  Feature Request ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in an Eclipse Spring MVC web application project. To store objects in an ObjectDB database using JPA we need to define an entity class: Right click the project node (in the [Package Explorer] window), select  New > Source Folder , enter src/main/java as Folder ...

 
tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in a NetBeans Java EE 6 web application. To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Entity Class] dialog box, e.g. by right clicking the project node (in the [Projects] window) and selecting New > Entity Clas ...

 
api-jpa

multiselect(selectionList)

Specify the selection items that are to be returned in the query result.(Method of javax.persistence.criteria.CriteriaQuery)

 
api-jpa

multiselect(selectionList)

Specify the selection items that are to be returned in the query result.(Method of javax.persistence.criteria.CriteriaQuery<T>)

 
api-jdo

javax.jdo.spi.JDOImplHelper.StringConstructor

Construct an instance of a key class using a String as input.(Interface of JDO)

 
api-jdo

newObjectIdInstance(pcClass, key)

This method returns an object id instance corresponding to the pcClass and key arguments.(Method of javax.jdo.PersistenceManager)

 
api-jdo

checkAuthorizedStateManagerClass(smClass)

Check that the parameter instance is a class that is authorized for JDOPermission("setStateManager").(Static Method of javax.jdo.spi.JDOImplHelper)