About context listener

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JDO Doc
15

javax.jdo.PersistenceManager

addInstanceLifecycleListener(InstanceLifecycleListener listener, Class... classes) Adds the listener instance to the list of lifecycle event listeners. Adds the listener instance to the list of lifecycle event listeners ... listenerInstance interface. Parameters: listener - the lifecycle listener classes - the classes
Manual
12

Working with JPA Entity Objects [2011-04-18]

. The Persistence Context The persistence context is the collection of all the managed objects of an EntityManager. If an entity object that has to be retrieved already exists in the persistence context ... context is to make sure that a database entity object is represented by no more than one in-memory entity
Manual
12

Working with JPA Entity Objects

. The Persistence Context The persistence context is the collection of all the managed objects of an EntityManager. If an entity object that has to be retrieved already exists in the persistence context ... context is to make sure that a database entity object is represented by no more than one in-memory entity
Issue
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objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

with extended Persistence Context? [EDIT: 2006-09-29 New improved version of test mini web app with test mode ... () and has an entity manager with an extended persistence context. The basic idea (which used to work fine in practice ... persistence context entity manager is: @Stateful public class ExtProjectBuilder extends
Forum
10

Configure ObjectDB in spring context

is to configure entire ObjectDB (optionally objectdb.conf too) in springs context.xml file so that I'd be able ... database.xml (which is included in application-context.xml) look like this thread
Forum
9

Puzzler: Not getting cascades on read from Spring context

. My best guess is that perhaps I have something misconfigured in my persistence.xml or my context.    -dh
Forum
8

How to define Default Entity Listeners without persistence.xml and orm.xml

Listeners. How to do ? Here my init code: Properties config = new Properties(); config.put("javax ... ); }   Thanks for any help   Defining default listeners is one of the few things that currently require XML metadata. You cannot define default listeners using annotations (at least in JPA 2.0). Is there a way
Manual
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Shared (L2) Entity Cache

Every EntityManager owns a persistence context, which is a collection of all the entity objects that it manages. The persistence context serves as a first level cache. An attempt to retrieve ... the persistence context, rather than a new instantiated entity object. The scope of the persistence context
Forum
8

listening on a particular IP aside localhost

to listen in server mode to other connections from another machine where client is installed. I ... to get that I can add port 8888 in configuration file but I wasn't able to add listening ip address such as 192.168.50.56 ObjectDB will listen automatically to all requests to the server
Forum
8

Entity listener - event instead of object

Hi, Currently I'm playing with entity listener to implement auditing with difference between values ... regarding the technical question. Do you need to obtain an EntityManager from a listener class ... about this feature request and I'm already subscribed. The main problem for me was to get EM inside listener