About attribute

manual

Server Configuration

Explains how to set a JPA/JDO database server using ObjectDB, the fast Java object database for JPA/JDO.... can connect to the server: The port attribute specifies a TPC port on which the server is listening for new ... section in chapter 3). The max attribute specifies the maximum number of simultaneous connections that are ... /> The <data> element has one attribute, path , which specifies the location of ObjectDB databases that ...

 
api-jpa

get(collection)

Create a path corresponding to the referenced collection-valued attribute.(Method of javax.persistence.criteria.Path)

 
api-jpa

getSet(name)

Return the Set-valued attribute of the managed type that corresponds to the specified name.(Method of javax.persistence.metamodel.ManagedType)

 
api-jpa

joinMap(attributeName)

Create an inner join to the specified Map-valued attribute.(Method of javax.persistence.criteria.From)

 
api-jpa

getDeclaredMap(name)

Return the Map-valued attribute declared by the managed type that corresponds to the specified name.(Method of javax.persistence.metamodel.ManagedType)

 
api-jpa

joinCollection(attributeName)

Create an inner join to the specified Collection-valued attribute.(Method of javax.persistence.criteria.From)

 
api-jpa

getSingularAttributes()

Return the single-valued attributes of the managed type.(Method of javax.persistence.metamodel.ManagedType)

 
api-jpa

joinCollection(attributeName, jt)

Create a join to the specified Collection-valued attribute using the given join type.(Method of javax.persistence.criteria.From)

 
api-jpa

hasVersionAttribute()

Whether the identifiable type has a version attribute.(Method of javax.persistence.metamodel.IdentifiableType)

 
issue

JPA Composite Key make Object Db throws "Unexpected exception (Error 990)"

Hello Object Db community :) I am using this wonderful library and I caught a strange exception while testing the "composite key" feature in JPA. Let's see what I am doing : @Entity public class Book {     @EmbeddedId BookId id; } @Embeddable Class BookId {     Integer bookIdCountry;     ECountry country; } My BookId contains 2 attributes: One Integer and one enum. Bug Version: 2.4.0 Priority: Normal Status: Fixed Replies: 3 Type:  Bug ...