About remove

forum_thread

Evaluation License

Hi, I'm an individual developer and my project has more then 10 persistable types. How can I get a free commercial license? (According to the post below, this might be possible).     Hi, This exception indicates an attempt to use more than 10 persistable types (e.g. entity classes) with no license key. As noted on the license page: ... Larger companies are required to purchase a license to remove this restrictions. Anyway, you need a license key to remove this restriction. support Joined on 2010-05-03 ...

 
forum_thread

collection of embedded objects

1. In general, are there any restrictions of the use of @Embedded objects in collections, compared to @Entity? 2. If you have a large nested collection of @Embedded objects, and you remove the parent @Entity, does the remove cascade through the whole collection? 3. Is searching through collections of @Embedded objects more expensive (time) than searching through collections of @Entity? ... large nested collection of @Embedded objects, and you remove the parent @Entity , does the remove cascade through the whole collection? 3. Is searching through ...

 
forum_thread

Temporary disabling of indexes?

When populating a large database with objects that have indexed fields takes very much longer than populating the database with those objects if the index definitions are removed.  Is it possible to indicate in some way that for a particular use of the database indexes are to be ignored, and can be rebuilt later? #1 2016-06-29 18:30 When populating a large database with objects that have indexed fields takes very much longer than populating the ...

 
forum_thread

java.lang.UnsupportedOperationException

com.objectdb.o.InternalException: java.lang.UnsupportedOperationException: Unsupported feature - Update queries are not supported yet java.lang.UnsupportedOperationException: Unsupported feature - Update queries are not supported yet. Used with this code: "DELETE l FROM License l WHERE l.id = ?1", License.class); query.setParameter(1, id); int changes = query.executeUpdate(); Is there a workaround? ... The obvious workaround is to use remove : List results = query. getResultList ( ) ... ( Object entity : results ) em. remove ( entity ) ; em. getTransaction ( ) ...

 
api-jdo

javax.jdo.InstanceCallbacks

A PersistenceCapable class that provides callback methods for life cycle events implements this interface.(Interface of JDO)

 
api-jdo

removeMembers(memberNames)

Remove the member (field or property) from the set of members in this FetchGroup.(Method of javax.jdo.FetchGroup)

 
api-jdo

removeCategory(categoryName)

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

 
api-jdo

removeUserObject(key)

Remove the specified key and its value from the map of user objects.(Method of javax.jdo.PersistenceManager)

 
api-jdo

removeInstanceLifecycleListener(listener)

Removes the listener instance from the list of lifecycle event listeners.(Method of javax.jdo.PersistenceManager)

 
api-jdo

removeInstanceLifecycleListener(listener)

Remove the parameter listener instance from the list of instance lifecycle event listeners set as the initial listeners for each PersistenceManager created by this PersistenceManagerFactory.(Method of javax.jdo.PersistenceManagerFactory)