About property

forum_thread

Connections pool

Hi! Does ObjectDB keeps and reuses a pool of connections as MySQL JDBC driver does?   ... , for example to maximum 100 connections: <property name = "javax.jdo.option.MaxPool" value = "100" /> ...

 
tutorial

Step 6: Design a BIRT Report Table

Explains how to design a BIRT report table using ObjectDB and JPA. In this final step we will add a simple table to the report: Open the [Insert Table] dialog box by dragging a Table from the [Palette] window and dropping it on the report design (.rptdesign) layout. Set the column n ...

 
api-jdo

getOptimistic()

Optimistic transactions do not hold data store locks until commit time.(Method of javax.jdo.Transaction)

 
api-jdo

javax.jdo.annotations.Key

Annotation for the key of a map relation.(Annotation of JDO)

 
api-jdo

javax.jdo.annotations.Value

Annotation for the value of a map relation.(Annotation of JDO)

 
api-jdo

javax.jdo.annotations.Columns

Annotation for a group of columns.(Annotation of JDO)

 
api-jpa

AttributeOverride.name

(Required) The name of the property whose mapping is being overridden if property-based access is being used, or the name of the field if field-based access is used.(Annotation Element of javax.persistence.AttributeOverride)

 
api-jpa

MapKeyJoinColumn.unique

(Optional) Whether the property is a unique key.(Annotation Element of javax.persistence.MapKeyJoinColumn)

 
api-jpa

javax.persistence.SecondaryTable

Specifies a secondary table for the annotated entity class.(Annotation of JPA)

 
api-jdo

addCategory(categoryName)

Add the members (fields or properties) of the named category to the set of members in this FetchGroup.(Method of javax.jdo.FetchGroup)