About types

release

2.5.2

... using mapped by (inverse) collections and maps of invalid types. Changed JOIN FETCH to act as LEFT JOIN in path ... support of persisting collections and maps of user defined types. Added support of Google (Guava) collections. ...

 
forum_thread

ClassCastException on SELECT NEW ... after UPDATE over Java RMI

Hi, we are using ObjectDB 2.5.4_04 on Linux. Our application, which uses ObjectDb as a DB, exposes a Java RMI interface which allows remote RMI clients to run JPQL queries on the DB. The application internally runs SELECT NEW ... queries. For example: ... Obviously this is a bug. ObjectDB supports dynamic types (in order to support dynamic type languages in the future), but this is ...

 
manual

WHERE clause (JPQL / Criteria API)

Explains how to use the WHERE clause in a JPQL query. The WHERE clause adds filtering capabilities to the FROM-SELECT structure. It is essential in any JPQL query that retrieves selective objects from the database. Out of the four optional clauses of JPQL queries, the WHERE clause is definitely the most ...

 
api-jdo

javax.jdo.Query

The Query interface allows applications to obtain persistent instances, values, and aggregate data from the data store.(Interface of JDO)

 
release

2.5.3

... using mapped by (inverse) collections and maps of invalid types. Changed JOIN FETCH to act as LEFT JOIN in path ... support of persisting collections and maps of user defined types. Added support of Google (Guava) collections. ...

 
api-jpa

entity(cls)

Return the metamodel entity type representing the entity.(Method of javax.persistence.metamodel.Metamodel)

 
api-jpa

managedType(cls)

Return the metamodel managed type representing the entity, mapped superclass, or embeddable class.(Method of javax.persistence.metamodel.Metamodel)

 
release

2.5.4

... using mapped by (inverse) collections and maps of invalid types. Changed JOIN FETCH to act as LEFT JOIN in path ... support of persisting collections and maps of user defined types. Added support of Google (Guava) collections. ...

 
api-jpa

embeddable(cls)

Return the metamodel embeddable type representing the embeddable class.(Method of javax.persistence.metamodel.Metamodel)

 
manual

[ODB1] Chapter 7 - JDOQL Queries

Explains how to use JDOQL, the Java/JDO Query Language.... later in this chapter. Literals All types of Java literals are supported by JDOQL, as demonstrated by the following ... the objects with the true value in that field. Other types of persistent fields can participate in queries in combination with ...