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objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check" system property) The following is a detailed report on investigation of multiple issues that have been mentioned in the following forum postings and issue reports (but please do not visit them from here now, the diagnostics there are now obsolete): - Issue #282 - ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection ... why I came to that incorrect conclusion. In a Git commit where I had ...

 
manual

[ODB1] Chapter 5 - JDO Connections

The PersistenShows how to use database connections and transactions in JDO. ceManagerFactory interface represents a factory of database connections. Its main role is to provide PersistenceManager instances. The PersistenceManager interface represents a database connection. Every operation on a database requires a PersistenceManager instance. The Transaction interface represents a transaction on a database. Every operation that modifies the content of the database requires an active transaction.[toc hidden:1]... only difference between the two modes is in performance, where the default true value is expected to be slightly more efficient. ...

 
manual

[ODB1] Chapter 9 - ObjectDB Explorer

Explains how to view and manipulate database files in the database explorer. ... when working with classes with a large number of fields where displaying all the fields is problematic (for instance, in a row in the ...

 
manual

[ODB1] Chapter 2 - A Quick Tour

Demonstrates basic database programming using ObjectDB. ... implementation of the PersistenceCapable interface, where necessary, at the byte code level. When this process is completed the ...