About Data Set

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Manual
5

JPA Metamodel API

to retrieve sets of types: // Get all the managed classes: // (entity classes, embeddable classes, mapped super classes) Set allManagedTypes = metamodel.getManagedTypes(); // Get all the entity classes: Set allEntityTypes = metamodel.getEntities
Forum
5

Significant I/O costs during batch update or insert data.

Significant I/O costs during batch update or insert data.
Forum
5

using objectdb.jar in writing data to mariadb or mysql db

using objectdb.jar in writing data to mariadb or mysql db
Issue
5

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection ... .6.9] javax.persistence.RollbackException Failed to commit transaction: Failed to set numeric value ... : com.objectdb.o.UserException: Failed to set numeric value of field property com.greensoft.objectdb
JDO Doc
5

javax.jdo.Constants

, then set its value to the comma- or whitespace-delimited list of persistence-capable classes ... isolation level representing the requirement to read committed data only. Transaction isolation level representing the requirement to read committed data only. Since: JDO 2.2
Forum
5

DB Doctor sets type to "unknown" for new fields

to the schema as expected, however their type is set to unknown - we were expecting Boolean. The attached ... ) is set to unknown. Both are defined as Boolean in Java code. As a result, update operations ... to false: UPDATE RecordingMetaData AS r SET r.emergency=false WHERE r.emergency IS NULL DB Explorer
Forum
5

Setting temp directory location in ObjectDB

file. I am using JDO and setting the persistenceManager as follow properties.setProperty("javax.jdo ... " /> But can you please let me know, if i dont want to use the conf file, how can i set the temp directory using my java class  e.g setting through system property or ..... I m using fileName.odb file
Forum
5

Can a Set<E> be a foreign key?

a variable (private Set cellHeldCharacters;) which holds the IDs of the characters within the cell ... /unrecommended to do it for a Set? For a better picture, I have: @Entity public class Character ... ;     private double cellSize;     private Set cellHeldCharacters; And I want to know if I
Forum
5

Understanding Database max-threads objectdb.conf Settings Option

to forum thread mentioned above), I set Database max-threads.  In the documentation, it was not completely clear to me if this setting controlled how many internal threads ObjectDB uses, or if ObjectDB is doing some sort of queue/locking whose depth is determined by this setting (and entries